Answer:
no d
Radius is changed
Step-by-step explanation:
20 points!!
Evaluate.
−26.6/−1= __________
Answer:
26.6
Step-by-step explanation:
simplify -26.6 divided by -1 to 26.6
Answer:
26.6
Step-by-step explanation:
- 26.6 / - 1
- 26.6 = - 1 x 26.6
- 1 = - 1 x 1
- 26.6 / - 1
= ( - 1 x 26.6 ) / ( - 1 x 1 )
= ( - 1 / - 1 ) x ( 26.6 / 1 )
= 1 x 26.6
= 26.6
A Question 9 (3 points) Retake question 4Listen ► When booking a show for a future date, it is normal practice for the booking agent to collect a 50% advance fee when? advances are not given for sho
When booking a show for a future date, it is normal practice for the booking agent to collect a 50% advance fee when the advances are not given for shows. This is to ensure that the performer is fully committed to performing at the event and to cover any expenses that may be incurred in the process.
The advance fee is usually non-refundable and is paid by the promoter or venue operator to the booking agent. This is to show their commitment to the performer and to demonstrate that they are serious about booking them for the event. The remaining balance is then usually paid on the day of the performance or shortly after.
The booking agent should also ensure that all parties involved in the booking are aware of the terms and conditions and have signed a contract or agreement to confirm their agreement.
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A bakery makes cylindrical mini muffins that measure 2 inches in diameter and 1 and three fourths inches in height. If each mini muffin is completely wrapped in paper, then at least how much paper is needed to wrap 6 mini muffins? Approximate using pi equals 22 over 7.
103 and 5 over 7 in2
84 and 6 over 7 in2
66 and 1 over 7 in2
17 and 2 over 7 in2
Question 9(Multiple Choice Worth 2 points)
(Scale Factor MC)
The state of Colorado is 4 centimeters long and 3 centimeters wide on a map. A cartographer wants to use a scale factor of 2.5 to enlarge the map. What is the area of the enlarged map?
12 cm2
30 cm2
35 cm2
75 cm2
Question 10(Multiple Choice Worth 2 points)
(Area of Polygons and Composite Figures LC)
An image of a rhombus is shown.
A rhombus with a base of 21 inches and a height of 19 inches.
What is the area of the rhombus?
160.5 in2
80 in2
399 in2
199.5 in2
Question 11(Multiple Choice Worth 2 points)
(Circumference MC)
A race car drove around a circular track that was 0.4 mile. If 1 mile = 5,280 feet, what is the radius of the track, in feet? Use π = 3.14 and round to the nearest hundredth.
107.11 feet
214.21 feet
336.31 feet
672.61 feet
Question 12(Multiple Choice Worth 2 points)
(Scale Factor MC)
The distance between two cities on a map is 25 inches. The actual distance between the two cities is 400 miles. How many miles would 35 inches be on the map?
560 miles
285 miles
16 miles
11 miles
Question 13(Multiple Choice Worth 2 points)
(Surface Area of Cylinders LC)
Which equation would calculate the amount of wrapping paper, in square centimeters, needed to completely cover the cylinder shown?
a cylinder with the diameter labeled 2.6 centimeters and the height labeled 3.8 centimeters
SA = 2π(1.3)2 + 1.3π(3.8)
SA = 2π(2.6)2 + 2.6π(3.8)
SA = 2π(2.6)2 + 1.3π(3.8)
SA = 2π(1.3)2 + 2.6π(3.8)
Question 14(Multiple Choice Worth 2 points)
(Area of Polygons and Composite Figures MC)
A family has a unique pattern in their tile flooring on the patio. An image of one of the tiles is shown.
A quadrilateral with a line segment drawn from the bottom vertex and perpendicular to the top that is 6 centimeters. The right vertical side is labeled 3 centimeters. The portion of the top from the left vertex to the perpendicular segment is 4 centimeters. There is a horizontal segment from the left side that intersects the perpendicular vertical line segment and is labeled 5 centimeters.
What is the area of the tile shown?
34.5 cm2
45 cm2
54 cm2
57.5 cm2
Question 15(Multiple Choice Worth 2 points)
(Area of Circles LC)
A circle with a diameter of 36 inches is shown.
circle with diameter of 36 inches
What is the area of the circle using π = 3.14?
113.04 in2
452.16 in2
1,017.36 in2
4,069.44 in2
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The area of the circle with a Diameter of 36 inches, π = 3.14, is 1017.36 square inches.
The surface area of one mini muffin and multiply it by 6. The surface area of a cylindrical mini muffin can be calculated as 28 and 2/7 square inches. Multiplying by 6, we get a total of 169 and 1/7 square inches. Approximating the answer, we get 169 and 1/7 169.14 square inches. the correct answer is 169 and 1/7 square inches.
The area of the enlarged map, we need to scale up the dimensions of the state of Colorado by the scale factor of 2.5.
The length of the enlarged map would be 4 cm * 2.5 = 10 cm.
The width of the enlarged map would be 3 cm * 2.5 = 7.5 cm.
Area = length * width
Area = 10 cm * 7.5 cm
Area = 75 cm²
Therefore, the area of the enlarged map is 75 cm².
The area of a circle can be calculated using the formula:
Area = π * (radius)^2
the diameter of the circle is 36 inches, we can find the radius by dividing the diameter by 2:
Radius = 36 inches / 2 = 18 inches
Now, we can calculate the area using π = 3.14:
Area = 3.14 * (18 inches)^2
= 3.14 * 324 square inches
= 1017.36 square inches
the area of the circle with a diameter of 36 inches, using π = 3.14, is 1017.36 square inches.
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A rod of length L is placed along the X-axis between X=0 and x=L. The linear density (mass/length) rho of the rod varies with the distance x from the origin as rho=a+bx. (a) Find the SI units of a and b. (b) Find the mass of the rod in terms of a,b and L.
(a) The linear density (mass/length) rho has SI units of kg/m. Since rho = a + bx, the SI units of a must be kg/m and the SI units of b must be kg/m^2.
(b) To find the mass of the rod, we need to integrate the linear density function over the length of the rod:
m = ∫₀ᴸ ρ(x) dx
Substituting in ρ(x) = a + bx:
m = ∫₀ᴸ (a + bx) dx
m = [ax + (1/2)bx²] from 0 to L
m = aL + (1/2)bL²
Therefore, the mass of the rod in terms of a, b, and L is m = aL + (1/2)bL².
(a) In this problem, rho (ρ) represents linear density, which has units of mass per length. In SI units, mass is measured in kilograms (kg) and length in meters (m). Therefore, the units of linear density are kg/m. Since ρ = a + bx, the units of a and b must be consistent with this equation. The units of a are the same as those of ρ, so a has units of kg/m. For b, since it is multiplied by x (which has units of meters), b must have units of kg/m² to maintain consistency in the equation.
(b) To find the mass of the rod, we need to integrate the linear density function over the length of the rod (from x=0 to x=L). Let's set up the integral:
Mass (M) = ∫(a + bx) dx, with limits from 0 to L
Now, we can integrate:
M = [a * x + (b/2) * x²] evaluated from 0 to L
Substitute the limits:
M = a * L + (b/2) * L²
So, the mass of the rod in terms of a, b, and L is:
M = aL + (bL²)/2
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15 feet rope sells for 20.25. How much would 21 feet rope cost?
Answer:
$28.35
Step-by-step explanation:
Divide $20.25 by 15 feet to get around $1.35 per foot.
Then, multiply $1.41 by 21 feet to get your answer...! :>
Thank you to adityakapoor for corrections...!
Answer: 21 feet rope costs $28.35
Step-by-step explanation:
First, we have to see how much 1 foot rope costs. To do this, we have to do 20.25 / 15
20.25 / 15 = 1.35
Now that we know how much 1 foot costs, now we have to see how much 21 feet costs by doing
1.35 x 21
1.35 x 21 = 28.35
So, 21 feet rope costs $28.35
the set of all possible output values of a function? a. output
b. input
c. range
d. domain
The set of all possible output values of a function is called the range. Option c, range, is the correct answer.
To understand this concept, let's break it down step by step:
1. A function is a relationship between inputs (also known as the domain) and outputs (also known as the range).
2. The domain refers to all the possible input values that can be used as input to the function.
3. The range, on the other hand, refers to all the possible output values that the function can produce.
4. For example, let's consider a function that takes the age of a person as input and returns their height. The domain of this function could be all the possible ages, while the range could be all the possible heights that correspond to those ages.
5. It's important to note that the range can vary depending on the function. In some cases, the range may be limited, while in others, it may be infinite.
6. By understanding the range of a function, we can determine all the possible output values that the function can produce.
In summary, the set of all possible output values of a function is known as the range.
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Which term describes the set of all possible output values for a function?
a. output
b. input
c. range
d. domain
ms. lee is shopping for a new electric warer heater. brand A cost $575 and uses 442 kiliwatt- hours per month. brand B cost $651 and uses 397 kiliwatt-hours per month. if electricity costs $0.17 per kilowatt-hour, how much would ms. lee save on electricity per month by buying brand B
Answer:
7.65
Step-by-step explanation:
Brand A:
442(times)0.17=75.14 each month
Brand B:
397(times)0.17=67.49 each month
75.14-67.49=7.65
Ms.Lee would save 7.65 each month with brand B
Find the first three nonzero terms of the Taylor expansion for the given function and given value of a.
f(x)-e3x, a=2
The function is f(x) = e3x. We need to find the first three nonzero terms of the Taylor expansion for the given function and given value of a.
We know that the nth derivative of f(x) = e3x is equal to (3^n)*e3x The Taylor expansion formula is given as:
f(a) + f'(a)(x-a)/1! + f''(a)(x-a)^2/2! + ...where f(a), f'(a), f''(a) are the first, second and third derivative of f(x) at x = a.
So, the first three nonzero terms of the Taylor expansion are:
f(2) + f'(2)(x-2)/1! + f''(2)(x-2)^2/2! + ...Substituting the values:
f(2) = e3*2 = e6, f'(x) = 3e3x and f''(x) = 9e3x
The first three nonzero terms of the Taylor expansion for the given function and given value of a is:
e6 + 3e6(x-2)/1! + 9e6(x-2)^2/2!
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find a formula for the general term of the sequence 3 2 , − 4 4 , 5 8 , − 6 16 , 7 32 ,'
The equation of the sequence:f(n) = -1/16n³ + 3/8n² - 11/48n + 1/2
The sequence is given as 3 2 , − 4 4 , 5 8 , − 6 16 , 7 32.
Let us examine the sequence to see if there is a pattern.
To begin, let us look at the first terms in each fraction:
3, -4, 5, -6, 7
The first differences of these terms is -7, 9, -11, 13
The second differences is 16, -20, 24.
The third differences is -36, 44.
If we examine the third differences, we can notice that the third differences are constant and equal to -36.
So the degree of the polynomial that generates the sequence is three or less.
To determine the equation that generates the sequence, we'll use the following method:
Since the sequence has degree 3 or less, we can use the general form:
f(n) = an³ + bn² + cn + d
We can use four points from the sequence to get four equations to solve for a, b, c, and d:
Let n = 1: f(1) = a + b + c + d
= 3/2
Let n = 2: f(2) = 8a + 4b + 2c + d
= -4/4
Let n = 3: f(3) = 27a + 9b + 3c + d
= 5/8
Let n = 4: f(4) = 64a + 16b + 4c + d
= -6/16
Solving these equations will give us the equation of the sequence:
f(n) = -1/16n³ + 3/8n² - 11/48n + 1/2
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PLZ HELP is this a fair spinner plz add explanation! :)
Answer:
I dont know how to comment but how do u take a pic without scanning
Answer:
it is
Step-by-step explanation:
What is the area of triangle abc if a = 12, b = 17, and C = 100°?
Which statement is true?
Answer:
Step-by-step explanation: / sign = divide
1 OPTION IS CORRECT
2 x (4+2) - 6 = 14 / (3.5x2) + 4
2x 6 - 6 = 14 / 7 +4 ( bodmas used )
12-6 = 2+4
6 = 6
they are equal
please help with this im super lost and confused
Answer:
D) C': ( -3, -2), D': ( -4, 1), E': ( -1, -2)
Step-by-step explanation:
Formula for this equation:
(x - 5, y - 3)
C:
(2, 1)
(x - 5, y - 3)
C': ( -3, -2)
E:
(4, 1)
(x - 5, y - 3)
E': ( -1, -2)
D:
(1, 4)
(x - 5, y - 3)
D': ( -4, 1)
for an experiment comparing more than two treatment conditions you should use analysis of variance rather than separate t tests because . group of answer choices you are less likely to make a mistake in the computations of anova anova has less risk of a type i error because several means are compared in one test a test based on variances is more sensitive than a test based on means anova has less risk of a type ii error because several means are compared in one test
The correct answer is: "Anova has less risk of a Type I error because several means are compared in one test."
When comparing more than two treatment conditions, using analysis of variance (ANOVA) is preferred over conducting separate t-tests.
This is because ANOVA allows for the simultaneous comparison of multiple means in a single test, reducing the chances of making Type I errors (false positives).
When conducting multiple t-tests, the probability of incorrectly rejecting the null hypothesis increases with each comparison made. By using ANOVA, the overall risk of making a Type I error is controlled, as the test takes into account the variability within and between groups.
This helps to minimize the likelihood of falsely detecting significant differences between groups.
It's important to note that ANOVA does not inherently have a lower risk of Type II errors (false negatives) compared to t-tests.
The sensitivity of a test, which refers to its ability to correctly detect true effects, depends on various factors such as sample size, effect size, and statistical power, rather than the choice of ANOVA or t-tests.
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.A key concept in agile projects is that something of value will be delivered at each iteration.
True or false?
Answer:
Step-by-step explanation:
Which statements about the relationship between the two triangles below are true? Check all that apply.Mark this and return
PLEASE HELPP!!!!
Which number is an irrational number?
Answer:
D. \(\sqrt[3]{16}\)
Step-by-step explanation:
What is an irrational number?
❖ An irrational number is a number that cannot be written in fraction
form. They're also non-terminating and non-repeating decimals.
Determing Irrational or Rational
A.
The square root of 100 is 10 because 10 × 10 = 100. 10 can be written as a fraction of 10/1, so it's rational.B.
1/8 is already in fraction form, so it's rational.C.
-2.2675 is a terminating decimal, so it's rational.D.
The cube root of 16 is irrational because there is no exact number that multiplies itself 3x to get 16. Additionally, when you put the cube root of 16 in a calculator, you will get a mess of decimal digits, thus forming a non-repeating and non-terminating decimal.A(n)
O element
O subset
O component
O group
is a member of a set.
Answer:
B. Subset
Step-by-step explanation:
A(n) subset is a member of a set
Since from sentence 6 we know ¬C, we can apply modus ponens to sentence 7:
If sentence 6 states that ¬C is true, and sentence 7 presents a conditional statement with C as the antecedent and Q as the consequent, we can use modus ponens to infer that Q is false.
Modus ponens is a deductive reasoning rule that allows us to derive a conclusion from a conditional statement and its antecedent. Therefore, we can apply modus ponens to sentence 7 given that we know ¬C from sentence 6.
Since from sentence 6 we know ¬C, we can apply modus ponens to sentence 7. To do this, follow these steps:
1. Identify the premises: One premise is sentence 6, which states ¬C. The other premise should be a conditional statement, such as "If ¬C, then P" (replace P with the relevant proposition).
2. Apply modus ponens: Modus ponens is a rule of inference that allows us to deduce a conclusion from the given premises. If we have the premises "If ¬C, then P" and "¬C", we can conclude "P" using modus ponens.
3. State the conclusion: After applying modus ponens, we can conclude "P" based on the given premises, which include sentence 6 (¬C) and the conditional statement.
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What is the measure of an interior angle of a 21-gon?162.86°90°360°3420°
Question:
What is the measure of an interior angle of a 21-gon?
Concept:
Define a 21-gon
A 21-gon is a 21 sided polygon also know as An icosikaihenagon
In the case of this polygon, the value of n is
\(n=21\)We will then calculate the sum of interior angles of a 21-gon and then divide the sum by the number of sides n...
Therefore,
The formula we will use to calculate the measure of an interior angle of a 21-gon is given below as
\(\begin{gathered} \text{meausre of an interior angle=}\frac{\text{sum of interior angles}}{\text{total number of sides}} \\ \end{gathered}\)The formula for the sum of interior angles is given below as
\(\text{sum of interior angle=(n}-2)\times180\)Hence,
We will have
\(\begin{gathered} \text{meausre of an interior angle=}\frac{\text{sum of interior angles}}{\text{total number of sides}} \\ \text{meausre of an interior angle}=\frac{(n-2)\times180^0}{n} \end{gathered}\)Step 2:
Substitute the value of n=21 in the formula above, we will have
\(\begin{gathered} \text{measure of an interior angle}=\frac{(n-2)\times180^0}{n} \\ \text{measure of an interior angle}=\frac{(21-2)\times180^0}{21} \\ \text{measureof an interior angle}=\frac{19\times180^0}{21} \\ \text{measure of an interior angle}=\frac{19\times180^0}{21} \\ \text{measure of an interior angle}=\frac{3420^0}{21} \\ \text{measure of an interior angle}=162.86^0 \end{gathered}\)Hence,
The final answer = 162.86°
Study island surface area
Answer:
C. 206 unit^2.
Step-by-step explanation:
Area = 2*11*5 + 2*11*3 + 2*3*5
= 110 + 66 + 30
= 206.
What is the longest line segment that can be drawn in a right rectangular prism that is 13 cm long, 10 cm wide, and 9 cm tall?
Answer: So, the longest line segment that can be drawn in the right rectangular prism is approximately 21.8 cm. Round if needed to.
Step-by-step explanation:
The longest line segment that can be drawn in a right rectangular prism is the space diagonal, which connects opposite corners of the prism.
To find the length of the space diagonal of a rectangular prism, we can use the Pythagorean theorem three times, once for each face diagonal. Then, we can take the maximum value of the three face diagonals as the length of the space diagonal.
The formula for the length of a space diagonal in a rectangular prism is:
diagonal = sqrt(l^2 + w^2 + h^2)
where l, w, and h are the length, width, and height of the rectangular prism, respectively.
Substituting the given values, we get:
diagonal = sqrt(13^2 + 10^2 + 9^2) ≈ 18.247 cm
Therefore, the longest line segment that can be drawn in the right rectangular prism is approximately 18.247 cm long.
A geologist gathered data about the total shoreline and maximum depth of several area lakes and organized the data into this table.
Total Shoreline (miles) 22 17 10 23 12 35 7
Maximum Depth (feet) 101 85 59 113 64 158 33
She then used a graphing tool to display the data in a scatter plot, with x representing the total miles of shoreline and y representing the maximum depth. She also used the graphing tool to find the equation of the line of best fit:
y = 4.26x + 10.908.
Based on the line of best fit, what is the approximate maximum depth of a lake that has 31 miles of shoreline?
Based on the line of best fit, the approximate maximum depth of a lake that has 31 miles of shoreline is; 142.968 ft
How to interpret a Line of best fit?The line of best fit is defined as a straight line which is drawn to pass through a set of plotted data points to give the best and most approximate relationship that exists between such data points.
Now, we are given a table of values that shows the total shoreline in miles which will be represented on the x-axis and then the maximum depth of several area lakes which will be represented on the y-axis.
However, when the geologist found the graph, she arrived at an equation of best fit as;
y = 4.26x + 10.908.
Thus, for 31 miles of shoreline, the approximate maximum depth is;
Approximate maximum depth = 4.26(31) + 10.908.
Approximate maximum depth = 142.968 ft
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Answer:
143 feet
Step-by-step explanation:
its technically 142 and change but edmentum rounds up
The table shows the sales that employees made in March and April.
Ruiz March 400 April 450
Aria March 310 April 420
Jack March 460 April 432
(a) Describe each employee's April sales as a percent increase or decrease over the employee's March sales. Round the nearest whole percent. Show all work.
(b) Any employee who had an increase of at least 10% and sold 425 or more in product received a bonus. Which employee, if any, received a bonus? Explain your reasoning for each employee. Show all work.
Use the data in the table below and a graphing calculator to describe how a linear model compares to a quadratic model. Analyze the "parameters" (as they are called in Desmos) a, b, c for the quadratic model and m & b for the linear model. Write a sentence or two that explains why both graphs look the same, even if you zoom out very far.
PLEASE HELP ME
The quadratic model and the linear model of the table of values are the same
The linear model of the dataTo do this, we make use of a graphing calculator.
From the graphing calculator, we have the following summary:
Sum of X = 0Sum of Y = 113Mean X = 0Mean Y = 22.6Sum of squares (SSX) = 10Sum of products (SP) = 28The regression equation is
y = mx + b
Where
m = SP/SSX = 28/10 = 2.8
b = MY - bMX = 22.6 - (2.8*0) = 22.6
So, we have:
y = 2.8x + 22.6
See attachment for graph (1)
The quadratic model of the dataTo do this, we make use of a graphing calculator.
From the graphing calculator, we have the following summary:
a = 0b = 2.8c = 22.60 X^2 +2.8 X +22.6
The regression equation is
y = ax^2 + bx + c
So, we have:
y = 0x^2 + 2.8x + 22.6
See attachment for graph (1)
Why both graphs look the sameThe graphs look the same because when the quadratic model is simplified, it gives the linear model.
This in other words mean that:
The quadratic model and the linear model of the table of values are the same
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Susan traveled 140 miles at a rate of 28 mph. She then drove for 2 hours at a speed of 35 mph. What was her average speed for the entire trip?
Answer:
30 miles per hour
Step-by-step explanation:
We want to know the average speed over a course with one leg run at one speed, and another leg run at a different speed.
SetupTo find the average speed, we need to know the total time and the total distance. The relation ...
time = distance/speed ⇔ distance = speed × time
can be used to fill in the blanks.
The first leg is a distance of 140 miles. The time for that leg is ...
t1 = (140 mi)/(28 mi/h) = 5 h
The second leg takes 2 hours at a speed of 35 mph. The distance covered is ...
d2 = (35 mi/h)(2 h) = 70 mi
The total distance is ...
d = d1 +d2 = 140 mi +70 mi = 210 mi
The total time is ...
t = t1 +t2 = 5 h + 2 h = 7 h
SolutionThe average speed is the ratio of total distance to total time:
d/t = (210 mi)/(7 h) = 30 mi/h
Susan's average speed for the trip was 30 mph.
how many different spanning trees does each of these simple graphs have? a) k3 b) k4 c) k2,2 d) c5
The number of different spanning trees for each graph is: a) K3: 1, b) K4: 4, c) K2,2: 2 and d) C5: 5.
a) The complete graph K3 consists of 3 vertices, and in a spanning tree, we need to have exactly 3 vertices connected without forming any cycles. Therefore, K3 has only one possible spanning tree.
b) The complete graph K4 has 4 vertices. To form a spanning tree, we need to connect all 4 vertices without creating any cycles. K4 can be thought of as a tree with 4 branches extending from a central vertex. Each branch can be connected to any of the other vertices. Hence, there are 4 possible spanning trees for K4.
c) The complete bipartite graph K2,2 consists of 4 vertices divided into two sets, each containing 2 vertices. To form a spanning tree, we need to connect all 4 vertices without creating any cycles. Since there are only two possible edges between the two sets, there are only two possible spanning trees for K2,2.
d) The cycle graph C5 consists of 5 vertices arranged in a circular shape. To form a spanning tree, we need to connect all 5 vertices without creating any cycles. Removing any one of the edges from the cycle will result in a tree. Therefore, C5 has 5 different spanning trees.
Therefore, the number of different spanning trees for each graph is:
a) K3: 1
b) K4: 4
c) K2,2: 2
d) C5: 5
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find the ratio of a side length in triangle ABC to a side length in DEF then simplify the ratio
Answer:
4. 1/2
5. 9/1
Step-by-step explanation:
4. 2/4 simplifies to 1/2
5. 18/2 simplifies to 9/1
The cost of renting a car is $39 plus $0.75 per mile. Which type of
function can represent this situation?
A) linear
B) exponential
Answer:
linear
Step-by-step explanation:
We can write this in the form
y = mx+b
where m is the .75 per mile and b is the 39 dollars
y = .75x + 39
y
4
f)
Determine the input value for which the statement
f(x) = g(x) is true.
From the graph, the input value is approximately
V 3.5v
f(x) = 3 and g(x) = 3x-2
3 = = 3x-2
3
2
1
g(x)
-5 -4 -3 -2 -1
2.
3
4
5
The x-value at which the two functions' values are
equal is
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Step-by-step explanation:
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A coin is made of 100% gold (Au) and has a mass of 3.5 g. How many Au atoms are there in the coin? 1.1×10 22
1.1×10 26
690 4.7×10 26
56
To determine the number of gold atoms in the coin, we need to use the molar mass of gold and Avogadro's number. The number of gold atoms in the coin is approximately 1.068 × 10^22 atoms. None of the provided options matches this value.
1. Find the molar mass of gold (Au):
The molar mass of gold is the atomic mass of gold, which can be found on the periodic table. The atomic mass of gold is approximately 197 g/mol.
2. Convert the mass of the coin to moles:
Number of moles = Mass / Molar mass
Number of moles = 3.5 g / 197 g/mol ≈ 0.01777 mol
3. Calculate the number of atoms:
Number of atoms = Number of moles × Avogadro's number
Number of atoms = 0.01777 mol × 6.022 × 10^23 atoms/mol ≈ 1.068 × 10^22 atoms
Therefore, the number of gold atoms in the coin is approximately 1.068 × 10^22 atoms. None of the provided options matches this value.
Learn more about Avogadro's number here:
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