Select the expression that is equivalent to -4(3m - 5)
2 answers:
Step-by-step explanation:
-4(3m - 5) = -12m + 20
C.) -12m -(-20)
-12m + 20
Answer:
B
Explanation:
The answer to the original expression is -12 - 20.
And the answer to B, is -12 - 20.
-4 x 3 = -12
-4 x 5 = -20
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Answer:
5(m+n)
Step-by-step explanation:
Answer:
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It is the first option i think
Answer:
L = 52°
J = 45°
K = 83°
Step-by-step explanation:
J = L - 7
K = 2L - 21
J + K + L = 180°
∴ (L - 7) + (2L - 21) + L = 180
4L - 28 = 180
4L = 208
L = 52°
J = 52 - 7 = 45°
K = 2 x 52 - 21 = 83°
