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vazorg [7]
2 years ago
12

9 times a number of 390

Mathematics
2 answers:
maxonik [38]2 years ago
8 0

Answer:

5667

Step-by-step explanation:

LekaFEV [45]2 years ago
7 0

Answer:

3510

Step-by-step explanation:

because you have 390 and you multiply it my 9 so you would get 3510 by 9 times

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BRAINLIST!!! The area of Alex's room is 168 square feet. If his room is a rectangle and one side is 12 feet, how long is the oth
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Answer:

the missing length is 14 feet.

Step-by-step explanation:

a = L × W

168ft² = 12 × W     - divide both sides of the equation by 12

                             - 168 ÷ 12 = 14

168ft² = 12 × 14

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3 years ago
Emily biked 9 miles in 3/4 hour. Which expression can she use to find her unit rate in miles per hour?
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The expression will be 9 x 3/4
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As a small step to save the environment, Luna came up with an idea for her sweet shop. In exchange for five eclaire boxes, that
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Step-by-step explanation:

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5 eclaires boxes = 1 free eclaires box.

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5 0
3 years ago
I need helppp please :(
Andrej [43]

Step-by-step explanation:

2 ( 8 - 3c) = 4c - 34

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3 years ago
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A candle burned at a steady rate. After 33 minutes, the candle was 11.2 inches tall. Eighteen minutes later, it was 10.75 inches
Amiraneli [1.4K]

Answer:

9.025 inches

Step-by-step explanation:

Let the length be represented by:

L = mt+L_0

Where L is the length of candle at time t

m is the rate at which the candle is burning.

And L_0 is the initial length of the candle.

As per the question statement, let us put the given values in the equation.

11.2 = m\times 33 + L_0 .... (1)\\10.75 = m\times 51+L_0 ..... (2)

Subtracting (1) from (2):

0.45 = -18m\\\Rightarrow m = -0.025

Putting the value of m in the equation (1):

11.2 = -0.025 \times 33+L_0\\\Rightarrow L_0 = 12.025

Therefore, the equation becomes:

L = -0.025t + 12.025

Now, we have to find the height of candle after 2 hours.

2 hours mean 120 minutes.

L = -0.025 \times 120 + 12.025\\\Rightarrow L = 9.025\ inches

Therefore, the height of candle is <em>9.025 inches</em>.

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