Mathematics, 19.02.2021 18:50 lucialovell6804
Use your knowledge about parentheses and substitution to solve the following:
7. 2(x + 4) + 10 =
8. 3(6x) + 4 =
9. 10(xy) =
10. 5(x + y) =
11. 2(rs) + 4(x)
12. 2(q) + 2(x + t) =
13. 6(7t + 4s) =
14. 9(10x) + 10y =
15. 2x(xy) =
16. r(s)(t) =
17. (r)(s)(t)(x)(y) =
18. (7x + 2Y) =
Answers: 2
Mathematics, 21.06.2019 18:30
The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.
Answers: 1
Mathematics, 21.06.2019 20:30
Find the nonpermissible replacement for binthis expression.b2/5b +5
Answers: 1
Mathematics, 21.06.2019 22:30
Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7
Answers: 1
Use your knowledge about parentheses and substitution to solve the following:
7. 2(x + 4) + 10 =
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