Olivia is sorting through the coins in her bank to determine how
much money she has. She sees that she has $3.25 in quarters.
The equation 0.25x $3.25 can be used to figure out how
many quarters are in Olivia's bank. Using substitution, Olivia
Answer:
It is 13 quarters.
Step-by-step explanation:
0.25x=3.25
Lin counts 5 bacteria under a microscope on the first day
She counts them again each day and finds that the number of bacteria doubled
each day—from 5 to 10, then from 10 to 20, and so on.
Given that the number of bacteria is a function of time (the number of days), how many bacteria exist on the 6th day
30 is the answer
Step-by-step explanation:
5 10 15 20 25 30
or 5x6
9x9 sudoko puzzle
——————————-
I done it
I attached it
you may not use the break and continue statements within the same set of nested loops. t/f
The given statement is false because In programming, the break and continue statements serve different purposes and can be used independently or together within nested loops.
The break statement is used to exit the current loop prematurely. When encountered, it terminates the loop and continues with the next statement after the loop. This can be useful when a specific condition is met, and you want to stop the execution of the loop immediately.
The continue statement, on the other hand, is used to skip the current iteration of a loop and move on to the next iteration. It allows you to skip certain iterations based on a specific condition without terminating the entire loop.
Both break and continue statements can be used within nested loops. In such cases, the break statement will exit only the innermost loop it is placed in, while the continue statement will skip to the next iteration of the innermost loop.
By using break and continue strategically within nested loops, you can control the flow of execution based on specific conditions. This flexibility allows you to fine-tune the behavior of your program and optimize its efficiency.
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Note : This is a computer science question
the concentration of the pollutant that pours into a lake is a function of time and initially increases quite rapidly, but due to the natural mixing and self-cleansing action of the lake, the concentration levels off and stabilizes at some saturation level. a train travels at a constant speed and its distance from the point of origin is a function of time. the population of a city, which is a function of time, starts increasing rather slowly, but continues to grow at a faster and faster rate.
The concentration of a contaminant that enters a lake is a function of time and initially rises rather quickly. However, it is due to the lake's inherent mixing and self-cleansing activity.
What is concentration?Concentration in chemistry is calculated by dividing a constituent's abundance by the total volume of a mixture. The terms "concentration" can refer to any type of chemical mixture, but are most frequently used to describe the solutes and solvents in solutions. There are four different types of concentrations that can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. There are different types of molar (quantity) concentrations, including normal concentration and osmotic concentration.
Concentration is frequently expressed qualitatively in everyday, non-technical language using words like "dilute" for solutions with a low concentration and "concentrated" for solutions with a high concentration.
If y increases quickly with x, the slope of the graph will be greater (i.e. will be steeper). The slope of the graph will be lower if y increases slowly with x. (i.e. will be less steeper). Straight lines result from constant slope in graphs. 1. Less investment results in a significant boost in production at first. Consequently, graph
1) Begins with a steeper slope. The rate of expansion slows down at the end, therefore the graph
2) will be more gradual. So, D is the proper graph. 2. The slope of the graph increases while train speed stays constant. As a result, graph will be
3) Straight line So, C is the proper graph. The focus rises quickly at first. Small time therefore yields large
4) an improvement in concentration Therefore, graph will be steeper in beginning. At end, the concentration becomes constant, so graph will be almost horizontal at end.
5)Thus correct graph is B. In beginning, the population increases slowly. Thus large time gives less increase in population. Therefore, graph will be less steep in beginning. At end, the population increases rapidly, so graph will be more and more steeper at end. Thus correct graph is A.
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the following is a summary of a one-way between-subjects anova: f(2, 37) = 3.42, p < .05, η 2 = .12. how many pairwise comparisons need to be made for this anova result?
a.2
b.3
c.4
d.12
The pairwise comparisons that need to be made for this anova result will be b.3
How to calculate the valueIn order to determine the number of pairwise comparisons needed for a one-way between-subjects ANOVA with three groups, we can use the formula:
N = (k * (k-1)) / 2
Where N represents the number of pairwise comparisons and k represents the number of groups. In this case, k = 3.
Plugging in the values:
N = (3 * (3-1)) / 2
N = (3 * 2) / 2
N = 6 / 2
N = 3
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5x-7-2x=10 what is x equaled to
HELP ASAP!!!!
Answer:
x=-1
Step-by-step explanation:
5x-2x-7=-10
3x-7=-10
3x-7+7=-10+7
3x=-3
x=-1
\(\text{Hey \: there!}\)
\(\text{5x - 7 - 2x = 10}\)
First you'll have to COMBINE all of your like terms\(\bf{(5x - 2x) \: which \: gives \: us \: 3x}\)
New equation becomes: \(\bf{3x - 7 = 10}\)Add by 7 on your sides\(\text{3x - 7 + 7 = 10 + 7}\)
Cancel out\(\bf{ - 7 + 7 \: because \: it \: gives \: you \: 0}\)
\(\bf{10 + 7 = 17}\)
New equation: \(\bf{3x = 17}\)Divide by 3 on both sides\( \frac{3x}{3} = \frac{17}{3} \)
Cancel out \( \frac{3x}{3} \: \bf{because \: it \: gives \: you \: 1 \: and \: not \: x \: }\)\(\text{we \: cant \: divide \: 17 \: from \: 3 \: because \: itll \: give \: us \: a \: decimal}\)
\(\boxed{\bf{thus \: your \: answer \: is \: \bf{ \frac{17}{3} }}}\)
Good luck on your assignment and enjoy your day!~
\(\frak{loveyourselffirst:)}\)
This line plot shows the daily rainfall amounts during the month of May.
On June 1, the rainfall amount was 1/2 of the greatest daily rainfall that fell in May.
What was the rainfall amount on June 1?
Enter your answer in the box as a fraction in simplest form.
Answer:
Rainfall amount on June 1 = ¾ inch
Step-by-step explanation:
Greatest daily rainfall in May = 1½
Rainfall amount in June 1 = ½ of 1½
Thus:
rainfall amount in June = ½ × 1½
= ½ × ³/2
= (1*3)/(2*2)
= ¾
Rainfall amount on June 1 = ¾ inch
if x and y each represent a single digit, does the number 8.3xy round to 8.3 when it is rounded to the nearest tenth?
If x and y each represent a single digit, then the 8.3xy rounded to the nearest tenth will be 8.3 when x>=5.
Given that,
If x and y each represent a single digit
The number 8.3xy round to 8.3
Then, the nearest tenth value is,
Round to the nearest tenth means to write the given decimal number up to one decimal place. This is done in such a way that after rounding off, there is one digit after the decimal point.
To round to the nearest tenth using a number line, look at the tenth place value closest to the number you are rounding. Round 2.12, 2.28 and 2.44 to the nearest tenth.
We can write,
If x and y each represent a single digit, does the number 8.3xy round to 8.3 when it is rounded to the nearest tenth,
We have the radius, 8.3, so we have all necessary information to solve this problem.
8.3xy rounded to the nearest tenth will be 8.3 when x>=5.
Therefore,
If x and y each represent a single digit, then the 8.3xy rounded to the nearest tenth will be 8.3 when x>=5.
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If x and y each represent a single digit, then the 8.3xy rounded to the nearest tenth will be 8.3 when x>=5.
Given that,
If x and y each represent a single digit
The number 8.3xy round to 8.3
Then, the nearest tenth value is,
Round to the nearest tenth means to write the given decimal number up to one decimal place. This is done in such a way that after rounding off, there is one digit after the decimal point.
To round to the nearest tenth using a number line, look at the tenth-place value closest to the number you are rounding. Round 2.12, 2.28, and 2.44 to the nearest tenth.
We can write,
If x and y each represent a single digit, does the number 8.3xy round to 8.3 when it is rounded to the nearest tenth,
We have a radius, of 8.3, so we have all the necessary information to solve this problem.
8.3xy rounded to the nearest tenth will be 8.3 when x>=5.
Therefore,
If x and y each represent a single digit, then the 8.3xy rounded to the nearest tenth will be 8.3 when x>=5.
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find the solution of the system of equation . 3x-y=19 3x-4y=-5
Answer:
x=9 , y=8
Step-by-step explanation:
\(x=\frac{19+y}{3}\)
\(3\cdot \frac{19+y}{3}-4y=-5\)
\(19-3y=-5\)
\(y=8\)
and now
\(x=\frac{19+y}{3}\)
\(x=9\)
Find the zeros of the function f(x) = (x + 2)(x - 3)(x + 12)
Step-by-step explanation:
f(x) = (x + 2)(x - 3)(x + 12) = 0
(x + 2)(x - 3)(x + 12) = 0
so, the zeros of the function :
=> x1 = -2
=> x2= 3
=> x3 = -12
Complete the sequence of transformations that produces △X'Y'Z' from △XYZ.
A clockwise rotation
° about the origin followed by a translation
units to the right and 6 units down produces ΔX'Y'Z' from ΔXYZ.
A clockwise rotation 90° about the origin followed by a translation
2 units to the right and 6 units down produces Δ X'Y'Z' from Δ XYZ
There are four types of transformations: reflection, rotation, translation, and dilation.
What are transformations?Translation, rotation, reflection, and dilation are the four primary categories of transformation.
* Let's update the translation and rotation.
-If point (x, y) rotates 90 degrees counterclockwise with respect to the origin, then Its picture is (-y , x)- If point (x, y) rotated 180 degrees counterclockwise with respect to the origin Its picture is (-x , -y)- If point (x, y) rotates 270 degrees counterclockwise with respect to the origin Its picture is (y , -x)- If point (x, y) rotates 90 degrees clockwise with respect to the origin Its picture is (y , -x)- If point (x, y) rotates 180 degrees clockwise with respect to the origin Its picture is (-x , -y)If the point (x, y) rotated.
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Answer:clockwise rotation 90
translation is 2 units
Step-by-step explanation:
Identify an equation in point-slope form the line parallel to y=-2/3x+8 that passes through(4, -5).
A. y+5=-2/3(x-4)
B. y-5=-2/3(x+4)
C. y+5=3/2(x-4)
D. y-4=2/3(x+5)
Answer:
The equation of line in point slope form is: \(\mathbf{y+5=-\frac{2}{3} (x-4)}\)
Option A is correct option.
Step-by-step explanation:
We need to identify an equation in point-slope form the line parallel to y=-2/3x+8 that passes through(4, -5).
The general equation of point slope form is: \(y-y_1=m(x-x_1)\)
where m is slope of the equation.
Finding slope of the equation.
Since the two lines are parallel so, both lines have same slope.
Equation of given line: y=-2/3x + 8
This equation is in slope-intercept form, comparing with general equation \(y=mx+b\) where m is slope , we get the value of m= -2/3
So, slope of given line = m = -2/3
Slope of required line = m =-2/3
Now, writing equation in point-slope form:
We are given point (4,-5) so, we have \(x_1=4, y_1=-5\) and slope is: m=-2/3
So, equation of line in point-slope form is:
\(y-y_1=m(x-x_1)\\y-(-5)=-\frac{2}{3}(x-4)\\y+5=-\frac{2}{3}(x-4)\)
So, the equation of line in point slope form is: \(\mathbf{y+5=-\frac{2}{3} (x-4)}\)
Option A is correct option.
Answer:
The answer is A.
Step-by-step explanation:
the team is going to a race and can only enter 5 participants. what is the probability of randomly selecting a race squad of 5 participants with exactly 3 women? round your answer to three decimal places. enter your solution into variable
The probability that the squad will have exactly three women members is 0.389
Total number of people in CU Boulder triathlon = 21
Number of Men = 9
Number of Women = 12
We are told that a 5-member squad is selected and now we want to find the probability that the squad will have exactly 3 women members.
Thus;
P(exactly 3 womens) = (12C3 * 9C2)/(21C5)
P(exactly 3 womens) =7920/1716
P(exactly 3 womens) = 0.389
Hence, the probability that the squad will have exactly three women members is 0.389
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In order to determine whether the differences between group means are statistically significant, ANOVA examines the differences between groups within groups between and within groups neither between nor within groups In a linear equation, the value of Y when X is 0 is called the slope.
In a linear equation, the value of Y when X is 0 is called the y-intercept, not the slope.
In order to determine whether the differences between group means are statistically significant, ANOVA examines the differences between groups.
ANOVA, which stands for Analysis of Variance, is a statistical method used to compare the means of two or more groups.
It analyzes the variability between group means and within group variability to assess whether there are significant differences among the groups.
The main idea behind ANOVA is to compare the variation between groups with the variation within groups.
If the variation between groups is significantly larger than the variation within groups, it suggests that there are meaningful differences among the groups.
This implies that the differences between group means are statistically significant, indicating that the groups are not just randomly different.
ANOVA achieves this by calculating an F-statistic, which is the ratio of the variability between groups to the variability within groups.
If the F-statistic is large enough to exceed a critical value based on the chosen significance level, it indicates that the group means are significantly different.
Regarding the statement about a linear equation, it is incorrect.
In a linear equation, the value of Y when X is 0 is called the y-intercept, not the slope.
The slope refers to the rate of change of Y with respect to changes in X.
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Find the volume of the figure below
Answer:
im pretty sure it's 1,098
how many cubes, with side measures of 2 cm, will fit inside a right rectangular prism with dimensions of 6 cm by 8 cm by 4 1 2 cm? group of answer choices 24 108 54 27
Answer:
Using the volume formula we know that (B) 27 cubes can be fitted into the right rectangular prism.
What is the right rectangular prism?
The right rectangular prism has four rectangle-shaped side faces and two parallel end faces that are perpendicular to each of the bases.
Parallelograms make up the sides of an oblique prism, a non-right rectangular prism.
A cuboid is yet another name for a right rectangle prism.
So, the volume of the right rectangular prism:
V = wlh
Insert values:
V = wlh
V = 6*8*4.5
V = 216cm³
Now, the volume of the cube:
V = a³
V = 2³
V = 8cm³
Then, the number of cubes that can be fitted in the right rectangular prism:
216/8 = 27
Therefore, using the volume formula we know that (B) 27 cubes can be fitted into the right rectangular prism.
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Correct question:
How many cubes, with side measures of 2 cm, will fit inside a right rectangular prism with dimensions of 6 cm by 8 cm by 4 1/2 cm?
Group of answer choices
a. 24
b. 27
c. 108
d. 54
The final answer is 27
To determine how many cubes will fit inside the right rectangular prism, we need to find the volume of the prism and the volume of the cubes, then divide the volume of the prism by the volume of the cubes.
Volume of a cube (V_cube) = side^3
V_cube = 2 cm * 2 cm * 2 cm = 8 cubic cm
Volume of the right rectangular prism (V_prism) = length * width * height
V_prism = 6 cm * 8 cm * 4.5 cm = 216 cubic cm
Now, divide the volume of the prism by the volume of the cubes:
Number of cubes = V_prism / V_cube = 216 cubic cm / 8 cubic cm = 27 cubes
Therefore, 27 cubes with side measures of 2 cm will fit inside the right rectangular prism.
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Omar has a gift card for $25 at a clothing store. He wants to buy socks that costs $4 per pair. He also has a coupon for $5 off his entire purchase. Omar wants to know how many pairs of socks he can buy.
Let "p" be the number of pairs of socks Omar buys. Write an inequality that represents the situation.
To write the inequality, use these numbers and symbols:
+
-
x
>
>= (greater than or equal to)
<
<= (less than or equal to)
4
25
5
"p"
Please answer as soon as possible!
Answer:
p= 7 socks
Step-by-step explanation:
gift card:$25
socks:$4
p = 7
derivative of 1/(1+e^-x)
Answer:
hope this helps.
Step-by-step explanation:
Mike and his friends bought cheese waters for $4 per packet and chocolate wafers for $3 per packet at a camival. They spent a total of $36 to buy a total of 10 packets of waters of the two varieties
Part A: Write a system of equations that can be solved to find the number of packets of cheese wafers and the number of packets of chocolate wafers that Mike and his friends bought at the camival Define the variables used in the
equations (4 points)
Part B: How many packets of chocolate wafers and cheese wafers did they buy? Explain how you got the answer and why you selected a particular method to get the answer
The system of equations is:
x + y = 10
4x + 3y = 36
The solution is x = 6 and y = 4.
How to write the system of equations?A)
Let's define the variables:
x = number of cheese wafers.y = number of chocolate wafers.We can write the system of equations:
x + y = 10
4x + 3y = 36
Isolate x on the first equation to get:
x = 10 - y
Replace that in the other one:
4*(10 - y) + 3y = 36
40 - 4y + 3y = 36
40 - y = 36
40 - 36 = y
4 = y
And thus, the value of x is:
x = 10 - y = 10 - 4 = 6
They bought 6 cheese wafers and 4 chocolate ones.
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Question 5 (20 points ) (a) in a sample of 12 men the quantity of hemoglobin in the blood stream had a mean of 15 / and a standard deviation of 3 g/ dlfind the 99% confidence interval for the population mean blood hemoglobin . (round your final answers to the nearest hundredth ) the 99% confidence interval is. dot x pm t( s sqrt n )15 pm1
The 99% confidence interval for the population mean blood hemoglobin is 12.31 < μ < 17. 69.
Given that,
Hemoglobin concentration in a sample of 12 men had a mean of 15 g/dl and a standard deviation of 3 g/dl.
We have to find the 99% confidence interval for the population mean blood hemoglobin.
We know that,
Let n = 12
Mean X = 15 g/dl
Standard deviation s = 3 g/dl
The critical value α = 0.01
Degree of freedom (df) = n - 1 = 12 - 1 = 11
\(t_c\) = \(z_{1-\frac{\alpha }{2}, n-1}\) = 3.106
Then the formula of confidential interval is
= (X - \(t_c\times \frac{s}{\sqrt{n} }\) , X + \(t_c\times \frac{s}{\sqrt{n} }\) )
= (15- 3.106 × \(\frac{3}{\sqrt{12} }\), 15 + 3.106 × \(\frac{3}{\sqrt{12} }\) )
= (12.31, 17.69)
Therefore, The 99% confidence interval for the population mean blood hemoglobin is 12.31 < μ < 17. 69.
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a student of 9 engines contains 2 defective engines. an auto shop buys 4 engineers. what is the probability of the shop purchasing at least 3 non-defective engines?
The probability of the shop purchasing is 5/9.
How to find probability shop purchasing?Let X be the number of non-defective engines purchased by the auto shop out of the 4 engines bought. We want to find P(X >= 3), the probability of getting at least 3 non-defective engines.
Using the hypergeometric distribution formula, we have:
P(X >= 3) = P(X = 3) + P(X = 4)
where
P(X = k) = (C(7, k) * C(2, 4-k)) / C(9, 4)
So, we have:
P(X = 3) = (C(7, 3) * C(2, 1)) / C(9, 4) = (35 * 2) / 126 = 5/18
P(X = 4) = (C(7, 4) * C(2, 0)) / C(9, 4) = (35 * 1) / 126 = 5/18
Therefore,
P(X >= 3) = 5/18 + 5/18 = 10/18 = 5/9
So the probability of the shop purchasing at least 3 non-defective engines is 5/9.
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students are conducting an experiment to determine if the amount of sunlight affects the size of clover leaves. they plant clover in two identical pots, placing one next to a window and one inside a cupboard. they water each pot daily with 10 ml of water. which is the independent variable?
In the experiment, the independent variable is the amount of sunlight received by the clover plants.
The amount of sunlight the clover plants receive throughout the experiment serves as the independent variable, as it is being manipulated by the experimenters to determine its effect on the size of the clover leaves.
The dependent variable is the size of the clover leaves, which is being measured as a result of the change in the independent variable (amount of sunlight). The water is a controlled variable, as it is kept constant across both conditions to eliminate its effect on the outcome.
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please help and ill mark brainliest!!! A 2-column table with 4 rows. Column 1 is labeled Store with entries A, B, C, D. Column 2 is labeled Unit price (per loaf) with entries 1 dollar and 98 cents, 1 dollar and 95 cents, 2 dollars and 1 cent, 2 dollars and 2 cents.
If Camillo goes with the better buy, how much will he pay for the 25 loaves of bread that he needs for the gourmet peanut butter and jelly sandwiches? Enter your answer to the nearest cent.
Camillo will spend $
.
Answer:
$48.75
Step-by-step explanation:
A 2-column table with 4 rows. Column 1 is labeled Store with entries A, B, C, D. Column 2 is labeled Unit price (per loaf) with entries 1 dollar and 98 cents, 1 dollar and 95 cents, 2 dollars and 1 cent, 2 dollars and 2 cents.
If Camillo goes with the better buy, how much will he pay for the 25 loaves of bread that he needs for the gourmet peanut butter and jelly sandwiches? Enter your answer to the nearest cent.
Camillo will spend $
⇒ 48.75
Answer:
48.75
Step-by-step explanation:
okay so i put this in math but its music, technically music uses math so the question
What impact did Pythagoras have on the history of music?
Solve 2x - 4 > 10 and select all of the following answer choices that would make this inequality true.
I need help with these
The 15 and 9 units side lengths of the parallelogram ABCD, and the 36° measure of the acute interior angle, A indicates the values of the ratios are;
1. AB:BC = 5:3
2. AB:CD = 1:1
3. m∠A : m∠C= 1 : 4
4. m∠B:m∠C = 4:1
5. AD: Perimeter ABCD = 3:16
What is a ratio?A ratio is a representation of the number of times one quantity is contained in another quantity.
The shape of the quadrilateral ABCD in the question = A parallelogram
Length of AB = 15
Length of BC = 9
Measure of angle m∠A = 36°
Therefore;
1. AB:BC = 15:9 = 5:3
2. AB ≅ CD (Opposite sides of a parallelogram are congruent)
AB = CD (Definition of congruency)
AB = 15, therefore, CD = 15 transitive property
AB:CD = 15:15 = 1:1
3. ∠A ≅ ∠C (Opposite interior angles of a parallelogram are congruent)
Therefore; m∠A = m∠C = 36°
∠A and ∠D are supplementary angles (Same side interior angles formed between parallel lines)
Therefore; ∠A + ∠D = 180°
36° + ∠D = 180°
∠D = 180° - 36° = 144°
∠D = 144°
m∠A : m∠C = 36°:144° =1:4
m∠A : m∠C = 1:4
4. ∠B = ∠D = 144° (properties of a parallelogram)
m∠B : m∠C = 144° : 36° = 4:1
5. AD ≅ BC (opposite sides of a parallelogram)
AD = BC = 9 (definition of congruency)
The perimeter of the parallelogram ABCD = AB + BC + CD + DA
Therefore;
Perimeter of parallelogram ABCD = 15 + 9 + 15 + 9 = 48
AD:Perimeter of the ABCD = 9 : 48 = 3 : 16
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In a class of students, the following data table summarizes how many students passed
a test and complete the homework due the day of the test. What is the probability that
a student chosen randomly from the class passed the test?
Completed the homework
Did not complete the homework
Passed the test Failed the test
12
2
4
3
Answer:
20/27
Step-by-step explanation:
The figure shown represents the shape of an outdoor deck. Alexis wrote the following equation to compute the area, A, of the deck. A=(15×17)+2(12×8×17) Which is a correct description of the error Alexis made while writing the equation for the area?
Step-by-step explanation:
The equation given by Alexis to compute the area, A, of the deck is A=(15×17)+2(12×8×17). This simplifies to A=255+3264, which equals 3519.
The error that Alexis made in the equation is that she calculated the area of only the rectangular part of the deck (15 x 17), and then added twice the area of the triangular parts (2 x 12 x 8 x 17). However, this double-counts the area of the triangular portions, since they are already included in the rectangular part.
To correct the equation, we need to subtract the area of one of the triangular portions from the total. The deck is symmetrical, so we can calculate the area of one triangular portion as (1/2) x 12 x 8 = 48. Therefore, the correct equation for the area of the deck is:
A = (15 x 17) + 2(12 x 8 x 17) - 48
= 255 + 3264 - 48
= 3471
The correct area of the deck is 3471 square feet, not 3519 as originally calculated.
Answer: D
Step-by-step explanation:
i just did it
4(a)+8-a,if a=-2 evaluate each expression
Answer:
2
Step-by-step explanation:
4(a)+8-a
Combine like terms
4a-a +8
3a+8
Let a = -2
3(-2)+8
-6 +8
2