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3 years ago

8

Please help! Question above

1 answer:

frez [133]3 years ago

3 0

Answer:

It's the first one. (m + n - 1) sqrt p

Step-by-step explanation:

We can combine m sqrt p and n sqrt p, resulting in m + n, and combine - sqrt p to become (m + n - 1)sqrt p

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What is x2 – 6 = 16x + 30 rewritten in standard form, then factored?

Molodets [167]

The answer to this is
x= 18, -2

3 0

2 years ago

A circle is drawn inside a square so its circumference touches each of the four sides of the square. If the area of the circle i

Snowcat [4.5K]

Answer:

The length of the sides of the square is approximately 11.239 centimeters.

Step-by-step explanation:

Since the circle is inscribed in the square, the length of each side of the square ( $l$ ), in centimeters, is equal to the length of the diameter of the circle ( $D$ ), in centimeters. The area of the circle ( $A_{c}$ ), in square centimeters:

$A_{c} = \frac{\pi\cdot D^{2}}{4}$ (1)

Where $D$ is the diameter of the circle, in centimeters.

If we know that $A_{c} = 99.2\,cm^{2}$ , then the length of the sides of the square is:

$D = \sqrt{\frac{4\cdot A_{c}}{\pi} }$

$l = D \approx 11.239\,cm$

The length of the sides of the square is approximately 11.239 centimeters.

8 0

2 years ago

Solve each problem.

Damm [24]

The answer is D. If you need two choices also C.

4 0

3 years ago

Two glasses of milk and 3 snack bars have a total of 61 carbohydrates (carbs), and 4 glasses of milk and 2 snack bars have a to

Sloan [31]

Answer:

24 carbohydrates

Step-by-step explanation:

Represent Snack bars with S and Milks with M.

So, we have:

$2M\ and\ 3S\ = 61$

and

$4M\ and\ 2S\ = 70$

Required: Solve for M and S

Convert the given expressions to mathematical expressions:

$2M + 3S = 61$ --- (1)

$4M + 2S = 70$ --- (2)

Multiply the first equation by 2

$2M + 3S = 61$ --------- * 2

$4M + 6S = 122$ --- (3)

Subtract (1) from (3)

$4M - 4M + 6S - 2S = 122 - 70$

$4S = 52$

Solve for S

$S = 52/4$

$S = 13$

Substitute 13 for S in (2)

$4M + 2S = 70$

$4M + 2 * 13 = 70$

$4M + 26 = 70$

Solve for 4M

$4M = 70 - 26$

$4M = 44$

Solve for M

$M = 44/4$

$M = 11$

1 glass of milk and 1 snack bar = S + M

$S + M = 13 + 11$

$S + M = 24$

6 0

2 years ago

4-2×=×+8 what is the result

GrogVix [38]

Answer:

x = -4/3

Step-by-step explanation:

4 - 2x = x + 8

4 - 3x = 8

-3x = 4

x = -4/3

8 0

2 years ago