Calculate the value of the expression (Explain in words)
-30-(-20)
1 answer:
Answer:
-10
Step-by-step explanation:
when you subract a negative the minus signs negate each other
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C is tevanswer out I think so
Negative times negative = positive.
=0.63−(−9.85)
=0.63+9.85
=10.48
D) is the answer.
Answer:
amt. the shop spends on 40 pairs
= $11 × 40
= $440
amt. paid extra (due to fixed cost) per pair
= ($450 - $440) ÷ 40
= $0.25
amt. per pair to break even
= $11 + $0.25
= $11.25
Answer:
OC. the graph crosses the x-axis
