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CaHeK987 [17]
3 years ago
15

A modern art piece includes drops of paint spilling periodically into a basin of liquid. The display is timed with an expectatio

n that the circular area of the green spill increases 1.5 square centimeter per hour. Increase in area: A(h) = 1.5h; h in hours Increase in diameter: in square centimeters The artist would like to know the area of the spill after any number of hours, h. Which composite function represents the diameter of the green paint as a function of hours?
Mathematics
1 answer:
mojhsa [17]3 years ago
4 0

Answer and explanation:

Function to represent the modern art piece given that diameter of the circular spill increases by 1.5 square centimeter per hour will be :

D = 1.5h

Where D= diameter of the circular spill after h hours paint spill

h = number of hours of paint spill, where each hour produces 1.5 square centimeters of circular paint spill

If for instance, number of hours of paint spill for the piece = 2 hours

Then diameter of spill = 1.5×2 = 3 square centimeters using the equation above

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Travis spends $2 in 10 pieces of gum to share with his friends. What is the correct unit rate?
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Answer:

1 piece of gum= 20 cents

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3 years ago
Leonard’s friend gave him directions to the campground. The friend told him to turn left after traveling 56 4/5 miles on the cou
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Answer:

56.8 miles

Step-by-step explanation:

4/5 = 0.8

3 0
3 years ago
The length of a rectangular book is 2 times its width. The perimeter of the book is 42 inches. Write a system of
wel

Answer:

Mark me as brainlist

Step-by-step explanation:

P = Perimeter            

L = Length          

W = Width

Perimeter of rectangle = L + L + W + W        

or P = 2L + 2W

You know:

P = 36 inches

L = 2W          [length is(=) 2 times it's width]

W = ?

P = 2L + 2W    

Substitute/plug in what you know, plug in 2W for L since L = 2W

36 = 2(2W) + 2W         Simplify

36 = 4W + 2W

36 = 6W        Divide 6 on both sides

6 = W              Now that you know the width, you can find the length:

L = 2W

L = 2(6)

L = 12

L = 12 in

W = 6 in

PROOF

P = 2(12) + 2(6)

P = 24 + 12

P = 36

7 0
3 years ago
What is the nth term?
kumpel [21]

Let a_k denote the <em>k</em>th term of the sequence. Then

a_k=a_1+d(k-1)

where <em>d</em> is the common difference between consecutive terms in the sequence and <em>a</em>₁ is the first term.

The sum of the first <em>n</em> terms is

S_n=\displaystyle\sum_{k=1}^na_k=a_1+a_2+\cdots+a_{n-1}+a_n

From the formula for a_k, we get

S_n=\displaystyle\sum_{k=1}^n(a_1+d(k-1))=a_1\sum_{k=1}^n1+d\sum_{k=1}^n(k-1)

S_n=\displaystyle na_1+d\sum_{k=0}^{n-1}k

S_n=na_1+\dfrac{d(n-1)n}2

S_n=\dfrac n2(2a_1-d+dn)

So we have d=-5, and 2a_1-d=16 so that a_1=\frac{11}2.

Then the <em>n</em>th term in the sequence is

a_n=\dfrac{11}2-5(n-1)=\boxed{\dfrac{21-10n}2}

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4 years ago
A triangle has two sides of lengths 4 and 7. What value could the length of
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Answer:

B. C. F.

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Hope this helps

Step-by-step explanation:

8 0
3 years ago
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