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Setler79 [48]
3 years ago
7

PLEASE HELP ASAP!!!!!!!!!!!

Mathematics
1 answer:
Serga [27]3 years ago
4 0
8x^2y^{-2}=\dfrac{8x^2}{y^2}\\\\\\\dfrac{8\cdot(-1)^2}{2^2}=\dfrac{8\cdot1}{4}=\dfrac{8}{4}=\boxed{2}

Answer A)
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Help please
Digiron [165]

Answer:

Option C.

Step-by-step explanation:

Shortest way to solve this question is to find the factors of the given expression.

The given expression is (x² + 13).

Now we have to factorize it.

(x² + 13) = x² + (√13)²

            = x² + [-(i)²√(13)²]  [Since i = √(-1)]

            = x² - (i√13)²

            = (x - i√3)(x + i√3) [Since (a² - b²) = (a + b)(a - b)]

Option C will be the answer.

7 0
2 years ago
Elliot had 638 fewer marbles than Ravi had. Ravi then gave 352 marbles to Elliot. Who had more marbles in the end. How many more
irga5000 [103]
Elliot because it said that he had 638 fewer than him the Ravi gave him 352 so that would make Elliot have more
5 0
2 years ago
Given the formula:<br><img src="https://tex.z-dn.net/?f=x%20%3D%20%20%5Cfrac%7B1%20%2B%20a%7D%7B1%20-%20a%7D%20" id="TexFormula1
shtirl [24]

12 = \frac{1+a}{1-a} => 12(1-a)= 1+ a \\=> 12 -12a = 1 + a => 12a+1 = 12-1 \\=> 13a = 11 => a= \frac{11}{13}

ok done. Thank to me :>

8 0
2 years ago
Eleni wants to make cookies with her mother. Her mom made 38 cookies. Eleni made 15 cookies. How many cookies did they both make
valkas [14]

Answer:

53

Step-by-step explanation:

38+15 ?

4 0
2 years ago
Read 2 more answers
A 6-inch by 4-inch photograph is enlarged so that the
patriot [66]

Answer:

39

Step-by-step explanation:

Since we are multiply the shorter side by 6.5 (you can find this by dividing 26 over 4) We have to do the same for the longer side and by multiplying we get 39, which is the answer.

7 0
2 years ago
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