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Anvisha [2.4K]
3 years ago
9

Question

Mathematics
1 answer:
BartSMP [9]3 years ago
3 0

Answer:

Let say the four number x, y, a and b

(X+y+a+b) ÷4=9 equation 1(we divide by 4 is because It says average)

So let say x=7 and so let insert this equation

(7+y+a+b)÷4=9

7+y+a+b=9×4

7+y+a+b=36(then shift 7)

Y+a+b=36-7

Y+a+b=29

So the sum of 3 number is 29

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Find the value of x.<br><br> (x + 4)<br> 147°
larisa86 [58]

Answer:

<h2>x = 29°</h2>

Step-by-step explanation:

From the question the angles lie on a straight line which means that the sum of their angles add up to 180°

Since angles on a straight line add up to 180°

To find the value of x add up all the angles and equate it to 180 to find x

That's

x + 4 + 147 = 180

x + 151 = 180

x = 180 - 151

We have the final answer as

<h3>x = 29°</h3>

Hope this helps you

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Solve Absolute Value.

We know that either 1/5x - 7 = 4 or 1/5x - 7 = -4.

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1/5x - 7 = -4

1/5x - 7 + 7 = -4 + 7

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x = 15 (second possibility)

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Step-by-step explanation:

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