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SCORPION-xisa [38]
3 years ago
11

PLZ HELP the expressions a[8x+7] and 4x+3.5 are equivalent. what is the value of a

Mathematics
2 answers:
kondaur [170]3 years ago
6 0

Answer:

a=0.5

Step-by-step explanation:

Divide each term by  8x+ 7  and simplify.

Hope this helps :)

<em>-ilovejiminssi♡</em>

Ilya [14]3 years ago
5 0

a(8x + 7) = 4x + 3.5

8ax + 7a = 4x + 3.5

equating coefficients of x : 8a = 4  so a = 1/2

also 7a = 3.5 so a = 1/2

The value of a is 1/2

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Part 2. Laws of sines. Please show work​. Round answer to the nearest tenth.
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Answer:

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6) 34.0mi

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ValentinkaMS [17]

By using the concept of uniform rectilinear motion, the distance surplus of the average race car is equal to 3 / 4 miles. (Right choice: A)

<h3>How many more distance does the average race car travels than the average consumer car?</h3>

In accordance with the statement, both the average consumer car and the average race car travel at constant speed (v), in miles per hour. The distance traveled by the vehicle (s), in miles, is equal to the product of the speed and time (t), in hours. The distance surplus (s'), in miles, done by the average race car is determined by the following expression:

s' = (v' - v) · t

Where:

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Please notice that a hour equal 3600 seconds. If we know that v' = 210 mi / h, v = 120 mi / h and t = 30 / 3600 h, then the distance surplus of the average race car is:

s' = (210 - 120) · (30 / 3600)

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The distance surplus of the average race car is equal to 3 / 4 miles.

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4 0
1 year ago
Is 11/15 less than 1/2
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No because if you convert them into a percentage, you get 11/15 as 73.3% and 1/2 is 50%. Hope this helps
6 0
3 years ago
Read 2 more answers
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