A + b = i + 4j - 2k + (-4i - j + 6k)
= i + 4j - 2k - 4i - j + 6k
= -3i + 3j + 4k
Answer:
1. 1/2
2. 3/10
3. 11/20
4. 3/4
5. 4/5
6. 19/25
7. 6/25
8. 17/25
9. 11/25
10. 85%
11. 90%
12. 10%
13. 95%
14. 72%
15. 21%
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The company would charge $837.50 to build the fence.
Installing a fence would cost $62.50 per hour.
It will take 13²/₅ hours to install this fence.
The cost would be:
<em>= Cost per hour x Number of hours taken </em>
Number of hours it would take should be converted to improper fraction to be multiplied:
13²/₅ = 67/5 hours
Cost is:
= 62.50 x 67/5
= $837.50
In conclusion, it would cost $837.50 to build the fence.
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The answer is D. 2+1/5×(7/12+3)
The inside angles of a triangle need to equal 180 degrees
in this triangle the lines NP and OP are identical so the 2 unknown angles would be equal
so the 2 unknown angles would be 180 - 112 = 68 / 2 = 34 each
angle N & O are 34 degrees
