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2 years ago

What is the answer...?

Mathematics

2 answers:

miskamm [114]2 years ago

8 0

The answer is 1/2 (one half)

erastova [34]2 years ago

3 0

Answer:

I think it's 1/2 because it might be right

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SOLVE 7-9 I WILL GIVE BRAINLIST

Mashcka [7]

Answer:

7. Approximately 402.7 inches or 2pi times 64

8. 31.83 To solve this you know 2pi r is an equation for the radius. 2πr=200 and r=200/2π=100/π= 31.83.

9. The one with pi in the equation because 3.14 is only a piece of pi but the symbol represents the whole number which goes on forever.

Step-by-step explanation:

7 0

2 years ago

If a polynomial function f(x) has roots 3 and square root of 7, what must also be a root of f(x)

Neko [114]

Answer:

x = - $\sqrt{7}$

Step-by-step explanation:

Radical roots occur in pairs, that is

x = $\sqrt{7}$ is a root then so is x = - $\sqrt{7}$

3 0

3 years ago

Read 2 more answers

Can you guys help please im so confused

marissa [1.9K]

Answer:

a) see below

b) 40x20 meters

Step-by-step explanation:

Write down what you know:

- The area of the enclosure is length*width, so

$A = x \cdot y$

- The length of the fencing is 80 meters, so

$2y + x = 80$

Now we have to combine these two equations above, and get rid of y in the process.

First rewrite the second as:

$y = 40 - \frac12 x$

Then substitute for y in the first:

$A = x (40 - \frac12 x) = 40x - \frac12x^2$

b) To maximize A, find the zero of the first derivative:

$A'(x) = 40 - x = 0 \implies x=40$

So y = (80-40)/2 = 20 meters.

8 0

2 years ago

Simplify the expression.<br> 4² . 4². 4²

Ugo [173]

Answer:

16.16.16

Step-by-step explanation:

please let me know if I'm wrong

but I learned that you don't do 4×2 you have to multiply 4 twice by itself so it would be 16 because 4×4=16

3 0

2 years ago

Is it a b c d need help

timurjin [86]

Answer:

Step-by-step explanation:

The only one going up

8 0

2 years ago