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Margarita [4]
3 years ago
15

What is the value of x 1) 18 2) 22.5 3) 30 4) 54

Mathematics
2 answers:
Nat2105 [25]3 years ago
8 0

Answer: x = 30 (choice 3)

---------------------------------------------------------

To get this answer, you set the two expressions equal to one another, then you isolate x. Recall that vertical angles are congruent.

x+90 = 4x

x+90-x = 4x-x .... subtract x from both sides

90 = 3x

3x = 90

3x/3 = 90/3 ... divide both sides by 3

x = 30

Now let's check the answer

x+90 = 4x

30+90 = 4*30 ... replace every x with 30

120 = 120

The last equation is true so the answer is confirmed.

11111nata11111 [884]3 years ago
4 0
30 if the answer.....................
.I am 100%shore
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Ezra works two summer jobs to save for a laptop that costs at least $1100. He decides to adjust his rates to $250 per lawn (x) f
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Hope this helps!

<em>(also tbh that'd have to be an insane laptop :v)</em>

7 0
3 years ago
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M+4 divided by 6 = -2
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3 0
4 years ago
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SashulF [63]

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3 years ago
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Alejandro uses the steps below to convert
dezoksy [38]

Answer:

The division was computed incorrectly.

Step-by-step explanation:

Given

Workings:

\frac{5}{8} to percentage

\frac{8}{5} = 1.6 = 160\%

Required

Explain his error

The question says 5/8

Instead, Alejandro's working shows 8/5.

This working is done in an incorrect order and the correct solution is:

Let

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7 0
3 years ago
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Serggg [28]

Answer:

11

Step-by-step explanation:

You don't need the parenthesis, so you get:

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You combine the integer values and get:

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9 + 8/8 + 17/17

You simplify:

9 + 1 + 1 =

11

3 0
3 years ago
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