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bearhunter [10]
3 years ago
14

Which expression is equivalent to 18+ r x r x r ?

Mathematics
1 answer:
Molodets [167]3 years ago
8 0

Answer:

none of them. The actual answer is 18+r^3

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What is the answer to part B? explanation please
vaieri [72.5K]

Answer:

1

Step-by-step explanation:

10³/10³

10³-³

10⁰=1

Formula a¹÷a¹=a¹-¹=a⁰. (Exponents and Powers)

And

a⁰=1

hope it helps..

4 0
3 years ago
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In the given figure , if PQ ll SR and QP  l  PS , then the value of a and b respectively will be 
lesya692 [45]
b=90-37=53\\
a=180-90-53=37

3 0
3 years ago
The quadratic function y = –10x2 + 160x – 430 models a store’s daily profit (y) for selling a T-shirt priced at x dollars. What
asambeis [7]

Answer:

x = 4 or x = 12

Step-by-step explanation:

Given:

y = -10x² + 160x - 430

When y = $50

50 = -10x² + 160x - 430

50 + 430 = -10x² + 160x

480 = -10x² + 160x

-10x² + 160x - 480 = 0

Divide through by -10

x² - 16x + 48 = 0

Solve the quadratic equation using factorization method

+48 = -12 × -4

-16 = -12 -4

Therefore,

-12 and -4 are both factors

x² - 16x + 48 = 0

(x - 4 )(x - 12 ) = 0

x - 4 = 0

x = 4

OR

x - 12 = 0

x = 12

6 0
3 years ago
Please answer the question to the best of your ability :)
Alex73 [517]

Answer:

C

Step-by-step explanation:

factorizing 24:

factors of 24 : 1, 2, 3, 4, 6, 8, 12

looking at your answer choices, we can see that 5 and 7 are not factors of 24, so we can immediately eliminate a and b.

we also see that answer c does indeed contain factors of 24 and they both add to 10. So c is the answer.

8 0
3 years ago
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I need help which letter is it?
aniked [119]

Answer:

D. -2n - 6 = 9

Step-by-step explanation:

The first step you have to do is the distributive property in the given equation. So, you multiply n and 3 by -2. The resulting equation is -2n - 6 = 9.

7 0
3 years ago
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