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motikmotik
3 years ago
9

What value of x would result in the numerical value of zero in the expression 7+x+(−10) ?

Mathematics
1 answer:
sergejj [24]3 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

So if we plug in 3 to 7+x+(-10), it simplifys to

7+3+(-10)

10+(-10)

10-10 = 0

x=3

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Answer:

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2 years ago

rewona [7]
X = 5/3 and m∠SPY = 8 1/3°.

Since PQ bisects the angle, the two angles formed by the bisector are equal:

11/2x - 5 = 4x - 5/2

We will first multiply everything by 2 to eliminate the fractions:
(11/2x)*2 - 5*2 = 4x*2 - (5/2)*2
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Subtract 8x from each side:
11x - 10 - 8x = 8x - 5 - 8x
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Add 10 to both sides:
3x - 10 + 10 = -5 + 10
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Divide both sides by 3:
3x/3 = 5/3
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Now we will plug this in for x in both smaller angles and add them together to find the measure of ∠SPY:

11/2(5/3) - 5 + 4(5/3) - 5/2
55/6 - 5 + 20/3 - 5/2

We will rewrite everything using a denominator of 6:
55/6 - 30/6 + 40/6 - 15/6 = (55-30+40-15)/6 = 50/6 = 8 2/6 = 8 1/3°
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