Since we have the following ratio for the fruits
6:5:3, for apples, oranges, and pears for a total of 14 fruits.
We will have that the number of fruits when total os 42, is the following:
So, the number of apples will be:
\(A=\frac{42\cdot6}{14}\Rightarrow A=18\)The number of Oranges will be:
\(O=\frac{42\cdot5}{14}\Rightarrow O=15\)And the number of pears will be:
\(P=\frac{42\cdot3}{14}\Rightarrow P=9\)And we corroborate by adding the number of fruits and that gives solution 42.
So in the number of pears is of 9 units.
Answer:42
Step-by-step explanation:
The angles are supplementary angles determine the measures of each
Answer:
Step-by-step explanation:
The angles are supplementary, so they add to 180.
x + (6x -2 ) = 180
7x = 182
x = 182/7 = 26 = m∠2
6(26) - 2 = 154 = m∠1
Sarah made 2 3/4 cup of lemonade she drank 1 and 1/2 cups for lunch how much lemonade does she have left
Answer:
1 1/4 cup
Step-by-step explanation:
Make the mixed fractions regular fractions by multiplying the outside number by the denominator and then adding it to the numerator. For example
2 3/4
2 * 4 = 8 + 3 = 11
2 3/4 = 11/4
You should get 3/2 for how much she drank.
Now make sure your denominators are the same. Multiply both the numerator and denominator of the amount she drank by two to get 6/4
Then subtract the fractions.
11/4 - 6/4 = 5/4
Now make that into a mixed fraction.
She has 1 1/4 cup left
In circle F with m/EFG = 62°, find the angle measure of minor arc EG.
The angle measure of the minor arc is 62°
What is a circle?A circle is the locus of a point such that its distance from a fixed point (center) is always constant.
The diameter is the length of the line that passes through the center circle touching two points on the circle's circumference.
The arc of a circle is the part or segment of the circumference of a circle.m∠EFG = minor arc EGminor arc EG = 62°
The measure of the arc is 62°
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simplify pls do fast
The sum of the decimal values given is 0.93
Simplifying the decimal values can be done thus :
0.36 + 0.57Both values are in two decimal places, hence we can multiply by 100 to obtain a whole number .
0.36*100 = 36
0.57*100 = 57
Adding the whole numbers :
__36
+_57
_____
__93
Dividing the sum by 100 to convert to an equivalent decimal value,
93/100 = 0.93Therefore, the required value is 0.93
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A 4-yard dumpster cost $95.00 monthly how much would it cost for the year?
Answer options:
A) 190.00
B) 180.00
C) 170.00
D) 160.00
If a 4-yard dumpster cost $95.00 monthly, the total cost for the year is $1,140.
How is the total cost determined?The total cost for the year of the dumpster is the product of the multiplication of the monthly cost and 12.
Multiplication is one of the four basic mathematical operations, including addition, subtraction, and division.
In any multiplication, there must be the multiplicand (the number being multiplied), the multiplier (the number multiplying the multiplicand), and the product (or the result).
The monthly cost of the 4-yard dumpster = $95.00
1 year = 12 months
The total annual cost = $1,140 ($95 x 12)
Thus, using the multiplication operation, we can find that none of the options is correct as the total annual cost but $1,140.
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NEED HELP ASAP
PLEASE ILL GIVE YOU 15 points !!
Answer:
First answer choice
Step-by-step explanation:
\(\dfrac{\sqrt[7]{x^2}}{\sqrt[5]{y^3}}= \\\\\\\sqrt[7]{x^2}\cdot \dfrac{1}{\sqrt[5]{y^3}}= \\\\\\\left( x^{\frac{2}{7}}\right) \left( y^{-\frac{3}{5}}\right)\)
Therefore, the correct answer is choice A. Hope this helps!
If M is the set of all square numbers less than 80 and N is the set of all non-negative even numbers that are under 30, Write the lists of all elements of M and N.
Answer:
The set M of all square numbers less than 80 is:
M = {0, 1, 4, 9, 16, 25, 36, 49, 64}
The set N of all non-negative even numbers that are under 30 is:
N = {0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28}
Answer:
All elements of the set M in ascending order are:
1, 4, 9, 16, 25, 36, 49, 64All elements of the set N in ascending order are:
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28Step-by-step explanation:
A square number, also known as a perfect square, is a non-negative integer that is obtained by multiplying an integer by itself. In other words, it is the result of squaring an integer.
The square numbers less than 80 are:
1, 4, 9, 16, 25, 36, 49, and 64.An even number is an integer that is divisible by 2 without leaving a remainder.
The non-negative even numbers that are under 30 are:
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, and 28.Therefore:
All elements of the set M in ascending order are:
1, 4, 9, 16, 25, 36, 49, 64All elements of the set N in ascending order are:
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28help? (i mark brainlist if available)
Answer:
X < 120
Step-by-step explanation:
.....................
Answer:
option D
Step-by-step explanation:
X should be less than or equal to $120.00
help help pls plz pls fast pls
Answer:
The third one
Step-by-step explanation:
Answer:
Hey mate......
Step-by-step explanation:
The third option is the correct one....
hope it helps,
mark me as the brainliest.....
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Study these equations:
f(x) = 2x – 4
g(x) = 3x + 1
What is h(x) = f(x)g(x)?
h(x) = 6x2 – 10x – 4
h(x) = 6x2 – 12x – 4
h(x) = 6x2 + 2x – 4
h(x) = 6x2 + 14x + 4
Answer:
6x2-10x-4
Step-by-step explanation:
hx=(2x-4)(3x+1)
hx=2x(3x+1)-4(3x+1)
hx=6x2+2x-12x-4
hx=6x2-10x-4
Write the equation using function notation f(x). then find f(0)
2x^2 - 3y = 6
\(\quad \huge \quad \quad \boxed{ \tt \:Answer }\)
\(\qquad \tt \rightarrow \: f(0) = -2\)
____________________________________
\( \large \tt Solution \: : \)
\(\qquad \tt \rightarrow \: 2 {x}^{2} - 3y = 6\)
\(\qquad \tt \rightarrow \: 3y + 6 = 2 {x}^{2} \)
\(\qquad \tt \rightarrow \: 3y = 2 {x}^{2} - 6\)
\(\qquad \tt \rightarrow \: y = \cfrac{2 {x}^{2} - 6 }{3} \)
\(\qquad \tt \rightarrow \: y = \cfrac{2 {}^{} }{3} {x}^{2} - 2\)
[ here, y can be replaced with f(x) because y is a function of x ]
\(\qquad \tt \rightarrow \: f(x) = \cfrac{2 {}^{} }{3} {x}^{2} - 2\)
\( \large\textsf{Find f(0):} \)
\(\qquad \tt \rightarrow \: f(0) = \cfrac{2 {}^{} }{3} {(0)}^{2} - 2\)
\(\qquad \tt \rightarrow \: f(0) = 0 - 2\)
\(\qquad \tt \rightarrow \: f(0) = - 2\)
Answered by : ❝ AǫᴜᴀWɪᴢ ❞
Jimmy is going scuba diving. He started at 10 ft below sea level. He then dove 15 ft further, then he got nervous and came up 5 ft. Write this as an expression (im in 7th grade plz help)
Answer:
it is 55
Step-by-step explanation:
use green's theorem to evaluate the line integral along the given positively oriented curve. c yex dx 2ex dy, c is the rectangle with vertices (0, 0), (5, 0), (5, 3), and (0, 3) incorrect: your answer is incorrect.
The line integral of the given curve is equal to 125/3.
To use Green's theorem to evaluate the line integral of the given curve, we need to find a function F(x,y) and its partial derivatives such that the integrand of the line integral can be expressed as the curl of F. In this case, we can take
F(x,y) = xy^2
Then, we have
F_x = y^2
F_y = 2xy
Thus, the integrand of the line integral can be expressed as the curl of F:
curl F = F_y - F_x = 2xy - y^2
Applying Green's theorem, we have
line integral of curl F = integral over C (2xy - y^2) dx + (x^2 - 2xy) dy
= integral over C (2xy - y^2) dx + x^2 dy - 2xy dy
= integral over C x^2 dy
The given curve C is the boundary of the rectangle with vertices (0,0), (5,0), (5,3), and (0,3). Thus, the line integral of curl F along C is equal to the integral of x^2 over the x-values of the rectangle, which is
= (5^3 - 0^3)/3
= 125/3
Therefore, the line integral of the given curve is equal to 125/3.
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Sketch a graph of f(x)={- 5 if x < -2 2x-1 if-2 < x≤ 2 0 if x>2. (piecewise)
A graph of the given piecewise-defined function is shown in the image below.
What is a piecewise-defined function?In Mathematics and Geometry, a piecewise-defined function simply refers to a type of function that is defined by two (2) or more mathematical expressions over a specific domain.
Generally speaking, the domain of any piecewise-defined function simply refers to the union of all of its sub-domains. By critically observing the graph of this piecewise-defined function, we can reasonably infer and logically deduce that it is constant over several intervals or domains such as x > 2 and x < -2.
In conclusion, this piecewise-defined function has a removable discontinuity.
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please help thank you!❤️
Answer:
F
Step-by-step explanation:
because 1 dozen cost $1
Hi can someone please help me solve the following system of inequalities and state the coordinates in the solution setz
The graph of the system of the inequalities is attached.
To graph the inequalities y < -x - 4 and y ≥ (3/5)x + 4, we can start by graphing the corresponding equations and then shade the appropriate regions based on the inequality signs.
Let's begin with the equation y = -x - 4:
Choose a range of x-values to plot.
For simplicity, let's use x-values from -10 to 10.
Substitute different x-values into the equation to find corresponding y-values.
For example:
When x = -10, y = -(-10) - 4 = 10 - 4 = 6.
When x = 0, y = -(0) - 4 = -4.
When x = 10, y = -(10) - 4 = -10 - 4 = -14.
Plot these points on the coordinate plane and draw a straight line passing through them.
This line represents the equation y = -x - 4.
Next, let's graph the equation y = (3/5)x + 4:
Again, choose a range of x-values to plot. Let's use the same range of -10 to 10.
Substitute different x-values into the equation to find corresponding y-values. For example:
When x = -10, y = (3/5)(-10) + 4 = -6 + 4 = -2.
When x = 0, y = (3/5)(0) + 4 = 0 + 4 = 4.
When x = 10, y = (3/5)(10) + 4 = 6 + 4 = 10.
Plot these points on the coordinate plane and draw a straight line passing through them.
This line represents the equation y = (3/5)x + 4.
Now, let's shade the regions based on the inequalities:
For y < -x - 4, we need to shade the region below the line y = -x - 4.
For y ≥ (3/5)x + 4, we need to shade the region above or on the line y = (3/5)x + 4.
Hence, the region where the shaded regions overlap represents the solution to both inequalities.
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help pls
What is the average rate of change of the function on the interval from x = 3 to x = 5?
f(x)=10(2)x
Answer: 1560
Step-by-step explanation: The average rate of change of a function over an interval is the total change in the value of the function divided by the length of the interval. In this case, the function is f(x) = 10(2)^x and the interval is [3, 5].
To find the average rate of change of the function over the interval, we can first evaluate the function at the two endpoints of the interval, which are x = 3 and x = 5. At x = 3, the function has a value of f(3) = 10(2)^3 = 80. At x = 5, the function has a value of f(5) = 10(2)^5 = 3200.
The total change in the value of the function over the interval is then the difference between the values at the two endpoints, which is f(5) - f(3) = 3200 - 80 = 3120.
The length of the interval is 5 - 3 = 2, since it goes from x = 3 to x = 5. Therefore, the average rate of change of the function over the interval is the total change in the value of the function divided by the length of the interval, which is (3120) / 2 = 1560.
Therefore, the average rate of change of the function f(x) = 10(2)^x on the interval [3, 5] is 1560.
NEED HELP ASAP
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Answer:
The fourth one, I think
Step-by-step explanation:
math go brrr
Oscar’s dog house is shaped like a tent. The slanted sides are both 5 feet long and the bottom of the house is 6 feet across. What is the height of his dog house, in feet, at its tallest point.
Using Pythagorean theorem, the height of Oscar's dog house, at its tallest point, is approximately 7.81 feet.
What is Pythagorean Theorem?
The Pythagorean Theorem is a fundamental concept in mathematics that relates to the sides of a right triangle. It states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides. The theorem is expressed mathematically as:
a² + b² = c²
Now,
Let's height of the house = "h":
Using Pythagoras
a² + b² = c²
Where "a" and "b" are the lengths of the slanted sides and "c" is the height of the house. We know that "a" and "b" are both 5 feet long, and the bottom of the house is 6 feet across. Let's use this information to find "c":
a = b = 5 feet
b = 6 feet
c² = a² + b²
c² = 5² + 6²
c² = 25 + 36
c² = 61
c = √(61)
c ≈ 7.81 feet
So the height of Oscar's dog house, at its tallest point, is approximately 7.81 feet.
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Graph then fill in blanks then include a table of the points used
We are given the function
\(f(x)=\log _5(x-2)-1\)Using a graphing calculator, the graph of the function is given below
From the graph
The domain is
\((2,\infty)\)The range is
\((-\infty,\infty)\)E
Find the x-intercept and y-intercept for 8x-9y=15
The x and y-intercept of the equation [8x - 9y = 15] are ( 15/8, 0 ) and ( 0, -5/3 ) respectively.
What are the x and y-intercept?Given the equation;
8x - 9y = 15
First, we find the x-intercepts by simply substituting 0 for y and solve for x.
8x - 9y = 15
8x - 9(0) = 15
8x = 15
Divide both sides by 8
8x/8 = 15/8
x = 15/8
Next, we find the y-intercept by substituting 0 for x and solve for y.
8x - 9y = 15
8(0) - 9y = 15
- 9y = 15
Divide both sides by -9
- 9y/(-9) = 15/(-9)
y = -15/9
y = -5/3
We list the intercepts;
x-intercept: ( 15/8, 0 )
y-intercept: ( 0, -5/3 )
Therefore, the x and y-intercept of the equation [8x - 9y = 15] are ( 15/8, 0 ) and ( 0, -5/3 ) respectively.
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Math photo added, please help! I have no idea. Lots of points are added to this!
Answer:
Don't agree
Step-by-step explanation:
Kiran is wrong because 1/2 is greater than 1/3 making graph 1 be f(x) and graph 2 would be g(x)
K (Present value of annuities and complex cash flows) You are given three investment alternatives to analyze. The cash flows from these three investments are as follows: End of Year 1 2 3 4 5 6 78 A $11,000 11,000 11,000 11,000 11,000 Investment B $11,000 11,000 11,000 11,000 C $ 16,000 48,000 a. What is the present value of investment A at an annual discount rate of 21 percent? (Round to the nearest cent.) b. What is the present value of investment B at an annual discount rate of 21 percent? $ (Round to the nearest cent.) c. What is the present value of investment C at an annual discount rate of 21 percent? (Round to the nearest cent.)
a. To calculate the present value of investment A at a discount rate of 21 percent, we need to find the present value of each cash flow and then sum them up. The present value of each cash flow can be calculated using the formula PV = CF / (1 + r)^n, where PV is the present value, CF is the cash flow, r is the discount rate, and n is the number of years.
Using the given cash flows and the discount rate of 21 percent, we have:
PV = 11,000 / (1 + 0.21)^1 + 11,000 / (1 + 0.21)^2 + 11,000 / (1 + 0.21)^3 + 11,000 / (1 + 0.21)^4 + 11,000 / (1 + 0.21)^5 + 11,000 / (1 + 0.21)^6
Calculating this expression will give us the present value of investment A.
b. Similarly, to calculate the present value of investment B, we use the same formula and substitute the cash flows for investment B:
PV = 11,000 / (1 + 0.21)^1 + 11,000 / (1 + 0.21)^2 + 11,000 / (1 + 0.21)^3 + 11,000 / (1 + 0.21)^4
c. For investment C, we use the formula with the cash flows for investment C:
PV = 16,000 / (1 + 0.21)^1 + 48,000 / (1 + 0.21)^2
Calculating these expressions will give us the present values of investments B and C, respectively.
The present values of investments A, B, and C are $37,461.97, $29,930.99, and $48,003.16 respectively.
Explanation:To calculate the present value of the cash flows from every investment, we use the present value of annuity formula: PV = C * [(1 - (1 + r)^-n ) / r], where PV is the present value, C is the constant cash flow per period, r is the discount rate, and n is the number of periods.
(a) Investment A: C = $11,000, r = 21% or 0.21, n = 6 years. PV = $11,000 * [(1 - (1 + 0.21)^-6) / 0.21] = $37,461.97.
(b) Investment B: C = $11,000, r = 21% or 0.21, n = 4 years. PV = $11,000 * [(1 - (1 + 0.21)^-4) / 0.21] = $29,930.99.
(c) Investment C has 2 cash flows: $16,000 at end of year 1 and $48,000 at end of year 3. We calculate their present value separately and sum those up. PV = $16,000 / (1 + 0.21)^1 + $48,000 / (1 + 0.21)^3 = $13,223.14 + $34,780.02 = $48,003.16.
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Find the mode of the data. Please :,(
Answer:
The mode is gymnastics
Step-by-step explanation:
The mode of a data set is the number that occurs most frequently in the set. To easily find the mode, put the numbers in order from least to greatest and count how many times each number occurs. The number that occurs the most is the mode!
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Differentiate y=x4 -x
Answer:
Step-by-step explanation:
To differentiate the function y = x^4 - x, we will use the power rule of differentiation. The power rule states that if f(x) = x^n, then the derivative of f(x) is f'(x) = nx^(n-1).
So, for y = x^4 - x, we can find the derivative as follows:
y' = 4x^3 - 1
So, the derivative of the function y = x^4 - x is y' = 4x^3 - 1.
Solve each of the following equations and show how you checked your answers 2y+4y=6-3y
Answer:
y=2/3
Step-by-step explanation:
2y+4y=6-3y
⇔ 2y+4y+3y=6
⇔ 9y=6
⇔ y=6/9=2/3
The answer is:
y = 2/3
Work/explanation:
For now, I focus on the left side and combine the like terms:
\(\bf{2y+4y=6-3y}\)
\(\bf{6y=6-3y}\)
Add 3y to each side
\(\bf{6y+3y=6}\)
Combine like terms
\(\bf{9y=6}\)
Divide each side by 9
\(\bf{y=\dfrac{6}{9}}\)
\(\bf{y=\dfrac{2}{3}}\)
Hence, the answer is 2/3.
What percent of the front page is taken up by the
prom story, including the prom photograph?
A. 20%
B. 22%
C. 25%
D. 45%
E. 60%
The percent of the front page taken up by the prom story is 20%
Calculating the percent of the front page taken up by the prom storyFrom the question, we have the following parameters that can be used in our computation:
The front page
From the front page, we have
Area front page = 5 * 4
Area front page = 20
Also, we have
Prom = 2 * 2
Prom = 4
So, we have
Percentage = 4/20 * 100%
Evaluate
Percentage = 20%
Hence, the percent of the front page taken up by the prom story is 20%
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Please help its due on friday
Answer:
28 cups
Step-by-step explanation:
If 7 cups will only fill 1/4 of her pot, multiply 4 by 7 to get 28.
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In a geometric sequence, a2=2, a3=16, and a4=128.
Which equation can be used to find the nth term of the sequence, an?
an=8⋅2n−1
an=2n−1
an=14⋅8n−1
an=2⋅14n−1
Answer:
an = 1/4(8)^n-1
Step-by-step explanation:
Given the following in a geometric sequence, a2=2, a3=16, and a4=128.
nth term of a sequence = ar^n-1
a is the first term
r is the common ratio
r = a3/a2 = a4/a3
r = 16/2 = 128/16
r = 8
a2 = ar
2 = 8a
a = 2/8
a = 1/4
The nth term by substituting the parameters will be;
an = 1/4(8)^n-1
A thumbtack that is tossed can land point up or point down. The probability of a tack landing point up is 0.2. A simulation was conducted in which a trial consisted of tossing 5 thumbtacks and recording the number of thumbtacks that land point up. Many trials of the simulation were conducted and the results are shown in the histogram.
Based on the results of the simulation, which of the following is closest to the probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed?
A 0.09
B 0.19
C 0.28
D 0.72
E 0.91
Answer:
Option C: 0.28
Step-by-step explanation:
This is a binomial probability distribution problem.
Now, we want to find the probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed. This is written as;
P(X ≥ 2) = P(2) + P(3) + P(4) + P(5)
From the histogram;
P(5) = 0.02
P(4) = 0.02
P(3) = 0.05
P(2) = 0.19
Thus;
P(X ≥ 2) = 0.19 + 0.05 + 0.02 + 0.02
P(X ≥ 2) = 0.28
From the histogram, it is found that there is a 0.28 = 28% probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed, option C.
------------------
The probabilities given by the histogram are:
\(P(X = 0) = 0.33\)
\(P(X = 1) = 0.39\)
\(P(X = 2) = 0.19\)
\(P(X = 3) = 0.05\)
\(P(X = 4) = 0.02\)
\(P(X = 5) = 0.02\)
The probability of at least 2 up is:
\(P(X \geq 2) = P(X = 2) + P(X = 3) + P(X = 4) + P(X = 5) = 0.019 + 0.05 + 0.02 + 0.02 = 0.28\)
0.28 = 28% probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed, option C.
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