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2 years ago

Which are equivalent to 3^2 x 3^4? check all that apply.

Mathematics

2 answers:

Andreas93 [3]2 years ago

8 0

equivalent

1) 3^6

4) 3^-4 · 3^10

8) (3 · 3) · (3 · 3 · 3 · 3)

Step-by-step explanation:

$= {3}^{2} \times {3}^{4}$

$= {3}^{(2 + 4)}$

$= {3}^{6}$

equivalent

1) 3^6

4) 3^-4 · 3^10

8) (3 · 3) · (3 · 3 · 3 · 3)

Advocard [28]2 years ago

5 0

Answers:

1. 3^6

4. 3^-4 · 3^10

8. (3 · 3) · (3 · 3 · 3 · 3)

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Marina CMI [18]

x = # of games playing.

4.75x + 3 = 42

4.75x = 39

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x = 8.21

Answer:

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2 years ago

A brownie recipe calls for 1/2 cup of flour, 1/8 cup of cocoa powder, and 3/8 cup of sugar. How many cups of dry ingredients are

natka813 [3]

1/2 x 2= 1

1/8 x 2= 1/4

3/8 x 2= 3/4

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2 years ago

2 taps A and B can fill a swimming pool in 3 hours. If turned on alone, it takes tap A 5 hours less than tap B to fill the same

vazorg [7]

Answer:

Tap A will take 2 hours and tap B will take 6 hours to fill the tank when turned on alone.

Step-by-step explanation:

Let tap B fills the pool alone in the time = x hours

So in one hour part of pool will be filled = $\frac{1}{x}$

Another tap A when turned on, it takes time to fill the pool = x-5 hours

So in one hour part of the same pool filled = $\frac{1}{x-5}$

Now both the taps A and B are turned on then time taken to fill the pool = 3 hours.

Part of the pool filled in one hour by both the taps = $\frac{1}{3}$

Now we form an equation

Part of pool filled in one hour by tap A + Part of pool filled in one hour by tap B = Part of pool filled in one hour by both the taps when turned on

$\frac{1}{(x-5)}+\frac{1}{x}=\frac{1}{3}$

$\frac{x-5+1}{x(x-5)}=\frac{1}{3}$

$\frac{x-4}{x(x-5)}=\frac{1}{3}$

3(x - 4) = x(x - 5)

x² -5x = 3x - 12

x² - 8x + 12 = 0

x² - 6x - 2x + 12 = 0

x(x - 6) - 2(x - 6) = 0

(x -2)(x - 6) = 0

x = 2, 6 hours

We will take higher value of x as x = 6 hours for tap B.

Time taken by tap A = 6 - 4 = 2 hours.

Therefore, Tap A will take 2 hours and tap B will take 6 hours to fill the tank when turned on alone.

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3 years ago

1.0315 x 10^ written in standard notation

Katyanochek1 [597]

Answer:

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Step-by-step explanation:

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Answer:

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