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3 years ago

Which formula has a square root?

Mathematics

1 answer:

Likurg_2 [28]3 years ago

3 0

Answer:

the answer is h

Step-by-step explanation:

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The answer I believe is A

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3 years ago

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3 years ago

Which expression is equivalent to the expression below? StartFraction m + 3 Over m squared minus 16 EndFraction divided by Start

Kamila [148]

Option B: $\frac{1}{(m-4)(m-3)}$ is the correct answer.

Explanation:

The given expression is $\frac{(\frac{m+3}{m^2-16}) }{(\frac{m^2-9}{m+4} )}$

Simplifying the expression, we have,

$\frac{m+3}{m^{2}-16}\times\frac{m+4}{m^2-9}$

Factor the equations, $m^{2}-16\right$ and $m^{2}-9$ ,we get,

$m^{2}-16\right=m^{2}-4^{2}=(m+4)(m-4)$

$m^{2}-9=m^{2}-3^2=(m+3)(m-3)$

Substituting these factored expressions in the above expression, we have,

$\frac{m+3}{(m+4)(m-4)}\times\frac{m+4}{(m+3)(m-3)}$

Cancelling the common terms $m+3$ and $m+4$ , we get,

$\frac{1}{(m-4)(m-3)}$

Thus, the expression equivalent to $\frac{(\frac{m+3}{m^2-16}) }{(\frac{m^2-9}{m+4} )}$ is $\frac{1}{(m-4)(m-3)}$

Hence, Option B is the correct answer.

3 0

3 years ago

Read 2 more answers

In one month, Juan worked 5 more hours than Carlito. Sara worked 3 times as many hours as Juan. Altogether they worked 80 hours

tamaranim1 [39]

Answer:

The answer to your question is a) C + J + S = 80

b) C = J + 5

c) S = 45 hours

Step-by-step explanation:

a) To represent the number of hours that they work together, just add the variables and equal them to 80.

Carlito + Juan + Sara = 80

C + J + S = 80 Equation l

b) Juan worked 5 hours more than Carlito

Juan = Carlito + 5

J = C + 5 Equation ll

c) Hours worked by Sara

S = 3J Equation lll

C = J - 5

Substitute equation ll and lll in equation l to find J

J - 5 + J + 3J = 80

5J = 80 - 5

5J = 75

J = 75/5

J = 15

-Find S

S = 3(15)

S = 45 hours

3 0

4 years ago

Read 2 more answers

Need help asap please 35 points

SashulF [63]

Answer:

Step-by-step explanation:

because line BC divides line DA and line AE into parts with the same ratio to each other (since BC is parallel to DE). This means that (42/21)*17 will give us the length of AB, when we do so, we get 34 as the length of AB.

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3 years ago