3 years ago

Whit is the answer to this

Mathematics

1 answer:

babunello [35]3 years ago

6 0

Answer: x=-7/4+1/4√89 or x=-7/4+-1/4√89

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Help i need an answer please dont answer if you are not positive

spayn [35]

What is the area of the shaded region and the circle inside?

$r=20,1m+13,2m=33,3m$
$A_1=\pi r^2$
$A_1=33,3^2\pi$
$A_1=1108,89\pi$

What is the area of the circle inside?

$A_2=20,1^2\pi$
$A_2=404,01\pi$

What is the area of the shaded region?

$1108,89\pi -404,01\pi =704,88\pi$
$704,88\pi \approx 704,88*3,14\approx 2213,3232\approx \underline{2213,32}$

The answer: 2213,32 :)

5 0

3 years ago

I need help on this question please help me?!

FinnZ [79.3K]

The answer is C
-1 , 3

6 0

3 years ago

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What is the slope of the line through(1,−1) and (5,−7)

lana66690 [7]

Answer:

The slope: -3/2

How it looks graph-ed:

8 0

3 years ago

How do I use the substitution method to find the point of intersection of

Goshia [24]

To substitute, solve for one variable and then plug it into the other equation you have. In this problem, y is already solved for on the top equation (y=x+2), so you just stuff it into the second equation.

y = x + 2
3y = 4x - 2

3(x + 2) = 4x - 2
3x + 6 = 4x - 2
-x = -8
x = 8
y = x + 2 = 8 + 2 = 10

solution:
x = 8
y = 10

hope this helps!! :)

7 0

3 years ago

1. What is the general form of the equation for this line y-5= -3(x + 4)?

ivanzaharov [21]

Answer:

I think its B

8 0

2 years ago

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