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slava [35]
3 years ago
15

If r and s are positive real numbers, which expression is equivalent to r^2/3 s^1/2/ rs

Mathematics
2 answers:
Bad White [126]3 years ago
5 0

Answer:

r^2/3 s^1/2/ rs=r^2/3-1×s^½-1=r^-1/3s^-1/2 =

\frac{1}{ {r}^{ \frac{1}{3} }s {}^{ \frac{1}{2} }  }

so option E is a required answer.

Brums [2.3K]3 years ago
3 0

Answer: E

I got it right

Step-by-step explanation:

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mrs. houston puts 5 ounces of snack mix in each bag how many pounds of snack mix does she need to fill 32 bags
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160 pounds of snack mix
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3 years ago
Simplify 3x + 3 + 2.<br><br> 3x + 5<br> 5x + 3<br> 8x
Pie

Answer:

<em>3x + 5</em>

Step-by-step explanation:

We are doing variables and simplifying.

You have two types of numbers here, you have a coefficient, and you have regular numbers. Now do keep in mind that you can never add a regular number to a coefficient. So the only thing in this problem you will add is 3 and 2. Because 3x is different

3x + (3 + 2)

3x + 5

6 0
2 years ago
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When leaving a town, a car accelerates from 30 kmh-1 to 60 kmh-1 in 5 s. Assuming the
aleksandr82 [10.1K]

Answer:

B .62.5 m

Step-by-step explanation:

convert Kmh-1 in to ms-1

30 Kmh-1 = (30×1000) ÷3600 = 8.3ms-1

60 Kmh-1 = (60×1000) ÷3600 = 16.6 ms-1

acceleration = (16.6 - 8.3) ÷ 5 = 1.66 ms-2

V^2 = U^2 +2aS

(16.6)^2 = (8.3)^2 + 2×1.66 ×S

S = 62.5 m

6 0
3 years ago
Evaluate :<br> 5 - 3 x when x = - 7<br> Substitute - 7 for x.
monitta

Answer:

26 because if x= -7 then -3 X - 7 = +21

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4 0
3 years ago
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Need help with solving please
attashe74 [19]

Answer:

x=8

Step-by-step explanation:

4 ^(1/2x) = 256

Rewriting 256 as a power of 4

4 ^(1/2x) = 4^4

Since the bases are the same, the exponents are the same

1/2x = 4

Multiply each side by 2

1/2x *2 = 4*2

x=8

5 0
2 years ago
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