A wire is (7x-3) metres long. A length of (5x-4)is cut for use .How much wire is left of the rope?
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Answer:
Step-by-step explanation:
- Let us find out the wire's length = 7 * -3
= -21 meter
- Now lets find out the length used = 5 * -4
= -20 meter
- Therefore, the wire left = wire's length - length used
= (-21) - (-20)
= 21 + (-20)
= 1 meter
Therefore, 1 meter wire remained after using wire.
Answered by
1
Step-by-step explanation:
A wire is (7x-3) metres long. A length of (5x-4) metres is cut for use. How much wire is left?
7. If A = 5x² +7x+8 and B = 4x² -7x + 3, find 2A - B.
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