2 years ago

F(r)=3.14r2 what is f(5)

Mathematics

1 answer:

OLga [1]2 years ago

6 0

F^-1(R)=0.56433264/R,-0.5633264/R

took me a while to get this answer..hope i helped!

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Which expressions are equivalent to -2(5x-1)+7(5x-1)-3(-5x+1)

blondinia [14]

Answer:

x=1/5

Step-by-step explanation:

To solve this question we will have to open the bracket first

So let's go back to the given question

-2(5x-1)+7(5x-1)-3(-5x+1)

We can actually equate the equation to zero

Let's solve

-10x+2+35x-7+15x-3=0

Let's collect like terms

-10x+35x+15x=-2+7+3

40x=8

Let's make x the subject of formula by dividing both sides by 40

x=1/5

So the final answer is 1/5

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Free_Kalibri [48]

Answer:

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Step-by-step explanation:

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2 years ago

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2 years ago

Find the length of the missing sides, round your answers to the nearest hundredth.

azamat

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2 years ago

The number of walls, w, that Joe can paint in t hours is given by the equation w=32t−1. Answer the questions below.

klio [65]

We have been given an equation $w=\frac{3}{2}t-1$ that represents umber of walls, w, that Joe can paint in t hours. We are asked to find the number of hours it will take Joe yo paint 7 walls.

To solve our given problem, we will substitute $w=7$ in our given equation as:

$7=\frac{3}{2}t-1$

Let us solve for t.

$7+1=\frac{3}{2}t-1+1$

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$8\cdot\frac{2}{3}=\frac{2}{3}\cdot\frac{3}{2}t$

$\frac{8\cdot2}{3}=t$

$\frac{16}{3}=t$

Therefore, it will take $\frac{16}{3}$ hours Joe to paint 7 walls.

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3 years ago