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snow_lady [41]
3 years ago
9

Half a number increased by 15 is equal to the sum of 5 and the product of 3 and the number.

Mathematics
1 answer:
son4ous [18]3 years ago
3 0

Answer:

(x/2) + 15 = 5 + 3x

Step-by-step explanation:

Follow the steps in the equation. X is your number. First you halve it, then you add 15. Next, set it equal to the other side. The second side is 5 + (because it is the sum) and 3x (the product of 3 and x means multiply them)

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A car is traveling at a speed of 55 mph. You want to write an algebraic expression to show how far the car will travel in a cert
WARRIOR [948]

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let D = distance.

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as long as the car will always be driven at 55 miles per hour, you can substitute 55 for R and that becomes your constant.

The equation then becomes D = 55 * T.

example:

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D = 55 * T = 55 * 5 = 275 miles.

If you drive at 55 miles per hour for 5 hours, you will have driven 275 miles.

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4 0
4 years ago
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Alexxandr [17]

Answer:

Step-by-step explanation:

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<u>90°|90°_</u>

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angle SRT = angle STR = 20°

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8 0
3 years ago
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4 0
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6 0
4 years ago
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Alla [95]

Answer:

5

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6 0
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