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blagie [28]
3 years ago
8

Expand, simplify qu. 10 to 18..... :- / Lots of points easy read attachment

Mathematics
1 answer:
Vinvika [58]3 years ago
8 0

Step-by-step explanation:

10. 8a - 12b

11. d^8

12. 3y^3

13. 4a+b

14. 11x-3

15. 2a^2+2ab

16. 2x^3+x

17. 4(a+2)

18. 3m(m-3)

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By decreasing each dimension by 1 unit, the area of a rectangle deceased from 40 square feet to 28 square feet. Find the percent
arsen [322]

Answer:

30%

Step-by-step explanation:

Initial area is 40 square feet

Final area is 28 square feet

Difference between the initial and final areas will be 40-28=12 square feet

Taking the initial area as the base area and expressing the area change in percentage then the percentage decrease will be equivalent to

\frac {12\times 100}{40}=30

Therefore,  the decrease in area expressed as a percentage is equal to 30%

8 0
3 years ago
Please help! Brainliest
vladimir1956 [14]
C) 84
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6 0
3 years ago
Help please, I'll give brainliest to the first correct answer​
Delvig [45]

Answer:

E

Step-by-step explanation:

The graph never touches the x-axis (0) or 2 on the y-axis.

5 0
3 years ago
Need answers quick its due in 1 hour!!!!!
antiseptic1488 [7]

Answer:

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i made a video explaining its on

Step-by-step explanation:

4 0
3 years ago
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Help please :(((!!!!!!!!!
Agata [3.3K]
It’s going to be 180-29 which is like 151 degrees. So it’s D
5 0
3 years ago
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