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KIM [24]
3 years ago
12

X + 4.2 = 7 what is x

Mathematics
1 answer:
ANEK [815]3 years ago
6 0

In this question, you're solving for x.

Solve for x:

x + 4.2 = 7

You need to get x by itself, to do so, you would need to subtract 4.2 from both sides:

x = 2.8

Answer:

x = 2.8

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kevin answered 54 out of 60 questions correct on his algebra quiz.what is his score as a percent ? round your answer to the near
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Answer: 90%

Step-by-step explanation:

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Chuck is laying the foundation for a building that will measure 32 feet in length and 15 feet in width. According to local build
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480 ft³

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Jill has a jar full of dimes and quarters. If she has a total of $27.20 and the number of quarters is less than twice the dimes,
Levart [38]

Answer: She has 76 dimes and 78 quarters.

Step-by-step explanation:

Given data:

Total = $27.20

Solution:

Q = d + 2

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Each dime is 10 cents = 0.10d

0.25q+0.10d = $27.20

Where q = d-2

Substitute in this equation:

0.25(d+2)+0.10d = 27.20

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Divide both sides by 0.35

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5 0
3 years ago
The height of a building is 1734 ft. How long would it take an object to fall to the ground from the​ top? Use the formula s equ
koban [17]

Answer:

t is approximately 10.41 seconds

Step-by-step explanation:

s = 16t^2

1734 = 16t^2

divide by 16

1734/16 = 16t^2/16

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take the square root  of each side

sqrt(1734/16) = sqrt(t^2)

we only take the positive square root because time must be positive

sqrt(1734/16) = t

t is approximately 10.41 seconds

7 0
3 years ago
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