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xxTIMURxx [149]
2 years ago
7

Please help 100 points please

Mathematics
1 answer:
Schach [20]2 years ago
4 0

Solution:

<u>We know that:</u>

  • Area of trapezoid = (a₁ + a₂)h/2
  • a₁ = 8 inches; a₂ = 8 + 4 + 4 inches; Height = 6 in.

<u>This means that:</u>

  • Area of trapezoid = (8 + 8 + 4 + 4)6/2

Step-by step calculations:

<u>Simplify the numerator:</u>

  • Area of trapezoid = (8 + 8 + 4 + 4)6/2
  • => Area of trapezoid = (24)6/2

<u>Cancel the denominator:</u>

  • => Area of trapezoid = (24)3

<u>Simplify the term:</u>

  • => Area of trapezoid = 72 in²
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C = 2 π·(14/2)

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Step-by-step explanation:

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Kalei is 6ft tall and stands 10 feet from a tree. He measures an angle if elevation of 30° up to the coconuts on the tree. How h
Juli2301 [7.4K]

Answer:

The total height of coconut Tree = H + 10ft = 11.77 ft

Step-by-step explanation:

Given as,

The height of Kalei = 6ft

The distance of Kalei from the coconut Tree = 10 feet

Angle of elevation of kalei up to the coconut on tree = 30°

<u>Note : look at the pic attache </u>

From figure it is mention that

Total height of Tree = 6 ft + H

So, Tan 30° = \frac{perpendicular}{base}

     Tan 30° = \frac{H}{10}

    ∴ H         = 10 Tan 30° = 10 × 0.577         Note : tan 30° = 0.577

i.e    H         = 5.77 ft

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6 0
3 years ago
Add the polynomials and explain how you arrived at your answer.
kvv77 [185]

Answer:

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3 years ago
Interactive digital version available - link: https://access.openupresources.org/curricula/our6-8math/en/supporting-material/756
Harman [31]

Answer:

After 6 days 1/64 of the coin will remain, while after 28 days 1/268435456 will remain. Now, it will never completely disappear, since it can always be reduced to a larger number.

Step-by-step explanation:

Since after a while, Jada picks up a coin that seems different than the others, and she notices that the next day, only half of the coin is left, while on the second day, only 1/4 of the coin is left and, on the third day, 1/8 of the coin remains, to determine what fraction of the coin remains after 6 days, what fraction of the coin remains after 28 days and determine if the coin will disappear completely, the following calculation must be performed:

1/2 ^ 6 = X

0.015625 = X

1/64 = X

1/2 ^ 28 = X

0.0000000037252902984619140625 = X

1/268435456 = X

Thus, after 6 days 1/64 of the coin will remain, while after 28 days 1/268435456 will remain. Now, it will never completely disappear, since it can always be reduced to a larger number.

7 0
3 years ago
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