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3 years ago

Simplify. 42+25 A.21 B.29 C.41 D.51

Mathematics

1 answer:

bearhunter [10]3 years ago

8 0

Im actually pretty sure its C because 4 to the power of 2 is 16 and then add those too up 16+25=41

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Marina correctly simplified the expression <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B-4a%5E-%5E2b%5E4%7D%7B8a%5E-%5E6b%5E-%

Fantom [35]

$\bf \cfrac{-4a^{-2}b^4}{8a^{-6}b^{-3}}$

so, in short, without too much fuss, you simply move the variable from the bottom to the top, and the exponent sign must change, or the other way around, from the top to the bottom, and the exponent sign changes

so $\bf \cfrac{-4a^{-2}b^4}{8a^{-6}b^{-3}}\implies \cfrac{-4}{8}\cdot a^{-2}a^6b^4b^3\implies -\cfrac{1}{2}a^{-2+6}b^{4+3}\implies -\cfrac{1}{2}a^4b^7$

6 0

4 years ago

Read 2 more answers

The base of a rectangular prism is 40 centimeters long and 5 centimeters wide. The height of the prism is 2 centimeters. Write t

REY [17]

Answer:

400

Step-by-step explanation:

Since Length x Width x Height = Volume

All you need to do is plug it in so it would be 40 x 5 x 2

and that would give you 400 cm for your volume

6 0

3 years ago

Read 2 more answers

Can someone help me?

SOVA2 [1]

The answer is 2

RISE OVER RUN! :)

5 0

3 years ago

Which choice correctly describes this event? I will draw two cards out of a standard deck of playing cards, and they will be 2 K

Colt1911 [192]

Answer: B. Unlikely

Step-by-step explanation:

Because....

You are not sure if that's possible because that's not something that happens normally so your chances are very unlikely. It's definitely not impossible because it all depends on your luck for some people it might happen. But that's why I'm saying that it's B. Unlikely.

* Hopefully this helps:) Mark me the brainliest:)!!

4 0

3 years ago

Read 2 more answers

What is the value of x?

Svetllana [295]

Answer:

x = 4

Step-by-step explanation:

ΔTRQ is an isosceles right triangle, so if we find the value of RT then the value of 'x' will be the same

We can find RT by creating a proportion based on the ratio of sides in a 30-60-90° triangle which, respectively, is 1 : $\sqrt{3}$ : 2

2 $\sqrt{3}$ /RT = $\sqrt{3}$ /2

cross-multiply:

$\sqrt{3}$ · RT = 4 $\sqrt{3}$

RT = 4

Therefore, x = 4

3 0

3 years ago