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Katena32 [7]
3 years ago
11

Arianna correctly simplified an expression. When she substituted X = 2 into the simplified expression, the value was –4. Which c

ould be Arianna’s original expression?
Mathematics
2 answers:
daser333 [38]3 years ago
8 0
The answer would be -2... Because -2 * 2 = -4!
USPshnik [31]3 years ago
8 0

Answer:

\frac{1}{6}(-10x-4)

Step-by-step explanation:

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P is the midpoint of HR. Given HP = 7x + 2 and PR = 58; find the value of x
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Answer:

x = 8

Step-by-step explanation:

Since P is at the midpoint of HR, then

HP = PR ← substitute values

7x + 2 = 58 ( subtract 2 from both sides )

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Tanya [424]

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Please need help asap!!
vagabundo [1.1K]

a+b+c=180,  \text{ }c+e=180 \implies \\ a+b+c=c+e \implies \\ a+b=e\\

This result is actually true for any exterior angle. The exterior angle of a triangle is equal to the sum of the two remote angles, and above is a short proof of it.

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The measures in degrees of the three angles of a triangle are given by 2x+1, 3x - 3 , and 9x. what is the measure of the smalles
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