Susie mows a rectangular yard with a area of 72 square meters.The yard is 6 meters wide.What is the perimeter of the yard Susie mows

Answers

Answer 1

Answer: You already know that the width of the yard is 6 and the area is 72. The area is the length times the width. So the length*6=72.
Divide by 6 on each side and you get the length to be 12 yards.
Now to find the perimeter you find the sum of two times the width and two times the length.
2(6)+2(12)=perimeter
12+24+36
So the perimeter is 36 yards. Hope this helps.

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If (m, 1) is on a circle with center (8, 1) and radius 7, what is a value of m?A)m=1
B)m=-1
C)m=14
D)m=-8=-+sqrt33

Answers

A) m=1

The equation for the circle is:

(x-8)^2 + (y-1)^2 = 49

If we take 'y' as 1, then

(x-8)^2 + 0 = 49

x-8 = √49

x = ±7 + 8

x = 15 or x = 1

What is half of an obtuse angle

Answers

Mostly the half of the obtuse angle(if its 180) is a right angle but if its 180 below its an acute angle

can anyone solve 4x^2 + 12x - 40 ? you would have to find what multiplies to get -40 but adds to get 12, but you do something with th 4x^2 as well

Answers

There's really nothing to solve, since there's no equation there.
Perhaps you want that expression factored. We can do that.

First, all 3 terms share a common factor of 4. Let's pull that out,
and see what's left to be factored:

4x² + 12x - 40 = 4 (x² + 3x - 10) .

Now, the expression left inside the parentheses looks
like it might be a lot easier to handle.

Here's what the whole expression looks like after the
quadratic inside the parentheses is factored:

4 (x² + 3x - 10) = 4 (x + 5) (x - 2) .

There it is. Understand ... we haven't changed anything,
and we haven't solved anything. We only wrote the original
expression in a different form. It's still just an expression that
stands for a number, and we won't know the number until
somebody tells us the value of 'x' .

Yh plss I need an answer to this question plss

Answers

Question:

A boy makes a cone of diameter 28 cm without a base. He then cuts a smaller cone of diameter 20 cm from the cone. He used the bottom part as a lampshade. If the height of the lampshade is 11cm,

(a) find the volume of the whole cone.

(b) find in cm2, the area of the material used to make the lampshade.

Answer:

(a) V ≈ 16420.1

(b) A ≈ 2690.1 cm²

Step-by-step explanation:

Solution for (a)

Formula: The formula for the volume of a cone is V = 1/3 hπr².

V= πr² h/3 = π × 28/ 2 × 20/ 3 ≈ 16420.0576

16420.0576 in nearest tenths is 16420.1

Therefore, the volume of the whole cone is 16420.1 cm²

Solution for (b)

Formula: A = πrl + πr2.

l = r² + h²

Solving for A

A = πr (r + h²+ r²) = π × 20 × (20 + 112 + 202) ≈ 2690.80077

2690.80077 In nearest tenths, is 2690.1

Therefore, the area of the material used to make the lampshade is 2690.1 cm²

Which of the following options is an equivalent function to f(x) = 2(5)^2x? choices: f(x) = 50^x f(x) = 100^x f(x) = 2(25)^x f(x) = 4(25)^x

Answers

For this case we have the following function:

By power properties we can rewrite the function as follows:

We have then:

Then rewriting the function we have:

Answer:

an equivalent function to $f (x) = 2 (5) ^ {2x}$ is:

$f (x) = 2 (25) ^ x$

HELP..Maya spent 40% of her savings to pay for a bike that cost her $85 how much money was in her savings to begin with?

Answers

If 40% or .4 of her savings is $85 then we can write the equation .4s=$85 (s being the original amount in savings)
Divide both sides by .4 to get s= $212.50 as the original amount that she had

$85 is 40% of her savings.

So,

40% of x is egual to $85
40/100x = 85
0,4x = 85
x = 85 / 0,4
x = 212,5

$ANSWER = \$ 212,50$

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The sum of 1/6, 2/3, and 1/4 is A. 2/72, or 1/36. B. 11/12. C. 4/12, or 1/3. D. 13/12, or 1 1/12.

Your friend evaluates the expression is your friend correct explain 56/4x2=56/8=7

Example AFind the area of the blue sector. Leave your answer in terms of TT.