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Bond [772]
3 years ago
12

HELP PLEASE 9TH GRADE MATH

Mathematics
1 answer:
Neko [114]3 years ago
5 0

Answer:

B

Step-by-step explanation:

Perpendicular lines have a reciprocal slope with the opposite sign. The y-intercept does not matter

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Answer:

R1:   Given

R2:   Subtraction Property of Equality

R3:   Distribute Property

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Write a paragraph proof for the following conjecture: m∠1 + m∠2 = m∠4

Prove: m∠3 + m∠1 + m∠2 = 180°

Given: ∠1 + ∠2 = ∠ 4

∠4 + ∠3 must be 180° because they are supplementary

If ∠4 + ∠3 is 180, and ∠1 + ∠2 = ∠4, you can substitute ∠4 in the first equation for ∠1 + ∠2.

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the price of a board game was reduced from $40 to $25. by what percentage was the price of the board game reduced?
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3 years ago
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