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blsea [12.9K]
2 years ago
8

40 + 2b3 when b = 5 and c= 1.2

Mathematics
1 answer:
kramer2 years ago
8 0

9514 1404 393

Answer:

  254.8

Step-by-step explanation:

Substitute the numbers where the variables are and do the arithmetic.

  4c +2b³ = 4(1.2) +2(5³) = 4.8 +250 = 254.8

__

It can also work to let a calculator or spreadsheet do the math for you, once you specify the function.

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8a to the power of 6 times a to the power of 4 over 4a to the power of -3
svetlana [45]

Answer:

(8a)⁻¹⁸

1 / (8a)¹⁸

Step-by-step explanation:

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4 0
2 years ago
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Step-by-step explanation:

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2 years ago
A box of cereal contains 10 cups. If each bowl holds 1 1/4 cups of cereal, how many bowls of cereal will you get out of the box?
KiRa [710]

Answer:

8

Step-by-step explanation:

5 0
2 years ago
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from a window 24 feet above the ground, the angle of elevation to the top of another building is 38 degrees. The distance betwee
Delvig [45]

Answer:

The  height of the building is 73.2\ ft

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

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AB=63\ ft

substitute and solve for BC

tan(38\°)=\frac{BC}{63}

BC=(63)tan(38\°)=49.2\ ft

Find the height of the building

The  height of the building (h) is equal to

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6 0
2 years ago
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maks197457 [2]

Answer:

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Step-by-step explanation:

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i hope this helps :)

6 0
2 years ago
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