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Sunny_sXe [5.5K]
3 years ago
14

When 4(0.5x+2.5y-0.7x-1.3y+4)is simplified, what is the resulting expression?

Mathematics
2 answers:
ANTONII [103]3 years ago
4 0

Answer:

Resulting expression is - 0.8x + 4.8y +16.

Step-by-step explanation:

Given :  4(0.5x+2.5y-0.7x-1.3y+4).

To find  : what is the resulting expression.

Solution : We have given that  4(0.5x+2.5y-0.7x-1.3y+4).

First we will solve the parenthesis by combine like terms:

4( 0.5x - 0.7x +2.5y -1.3y +4).

4( - 0.2x + 1.2y +4).

Now distributes 4 over parenthesis's terms

- 0.8x + 4.8y +16

Therefore, Resulting expression is - 0.8x + 4.8y +16.

Wittaler [7]3 years ago
3 0
2x+10y-2.8x-5.2y+16=

-0.8x+4.8y+16

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Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-response question.
SpyIntel [72]

Let

x------> the number of multiple choice question

y------> the number of free response question

we know that

3x+8y=55 -----> equation A

x+y=15

x=15-y -----> equation B

Substitute equation B in equation A

3[15-y]+8y=55

45-3y+8y=55

5y=55-45

5y=10

y=2

Find the value of x

x=15-y

x=15-2=13

therefore

<u>the answer is</u>

the number of multiple choice question are 13

the number of free response question are 2

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3 years ago
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You will write a 5-paragraph essay explaining how you would solve the following equation:
sattari [20]

Answer:

x=0

Step-by-step explanation:

\frac{7}{3}(2x+3)+\frac{3}{4}(\frac{x}{5}-\frac{15}{2})=\frac{11}{8} <-- Given

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\frac{280}{60}x+7+\frac{9}{60}x-\frac{45}{8}=\frac{11}{8} <-- Find LCD of x-terms

\frac{289}{60}x+7-\frac{45}{8}=\frac{11}{8} <-- Combine Like Terms

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\frac{289}{60}x=0 <-- Subtract 7 on both sides

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3 0
2 years ago
-5
Elanso [62]
The correct answer would be:
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8 0
3 years ago
Solve the equation
kondor19780726 [428]

4 1/5 + B = 9 3/5

21/5 + B = 48/5

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Hope this helps! ;)

4 0
3 years ago
600 x 800...................................
Mashcka [7]
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6 0
3 years ago
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