What is the value of the expression? - 16+ 12 A. -28 B. -4 C. 4D. 28
1 answer:
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Answer:
8 cm
Step-by-step explanation:
(See the image attached for details)
- The blue segment measures 15 cm
- The green segment measures 7 cm
- The green and yellow segment when added form the blue segment
- So: ? + 7 = 15
Solve:
? + 7 = 15
Subtract 7 on both sides:
? + 7 = 15
-7 -7
? = 8 cm
Therefore, the yellow segment, or the missing side length, measures 8 cm.
QUESTION:
n + 3 = -7
ANSWER:
STEP-BY-STEP EXPLANATION:
First, Subtract 3 from the both sides of the equation
Last, Subtract 3 from - 7
hope it's helps