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Liono4ka [1.6K]
3 years ago
12

Number 9 please I need help hurry

Mathematics
1 answer:
liberstina [14]3 years ago
8 0

Answer:

x=8

Step-by-step explanation:

Make all the denominators the same

3(x-4/10)=6(3/5)-2(x-5/15)

(3x-12)/30=18/30-(2x-10)/30

Cancel out all the denominators because they're the same

3x-12=18-2x+10

3x-12=28-2x

Add 12 to both sides

3x=40-2x

Add 2x to both sides

5x=40

Divide both sides by 5

x=8

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shtirl [24]
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6 0
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EleoNora [17]
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4 0
3 years ago
A flatbed truck travels 144 miles in 5 hours. A semi-trailer truck travels 327 miles in 4 hours. A tanker truck travels 589 mile
GenaCL600 [577]

Answer:

<u>The semi-trailer truck has the fastest average speed</u>

Step-by-step explanation:

Let's recall that the formula of the average speed is:

Average speed = Distance/Speed

Now, we can calculate the average speed for each class of vehicle, as follows:

Flatbed truck average speed = 144/5 = 28.8 miles per hour

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<u>The semi-trailer truck has the fastest average speed</u>

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3 years ago
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8 0
3 years ago
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