2 years ago

1

Mathematics

2 answers:

Karo-lina-s [1.5K]2 years ago

5 0

Answer:

12 square units.

Step-by-step explanation:

I just took the test.

taurus [48]2 years ago

4 0

I think the answer is 30 square units

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If fence poists are to be placed in a row 7 feet apart, how many posts are needed for 210 feet of fence?

ollegr [7]

Answer:

Step-by-step explanation:

210 ft ÷ 7 ft = 30

There are 30 7-ft lengths of fence.

Think of putting a post at the end of each 7-ft length. That means you need 30 posts. Now you must add 1 post for the beginning.

Answer: 31

8 0

2 years ago

Evaluate the triple integral.

Irina-Kira [14]

The definition of the set E gives you a natural choice for the limits in the integral:

$\displaystyle \iiint_E y \, dV = \int_0^6 \int_0^x \int_{x-y}^{x+y} y \, dz \, dy \, dx$

Computing the integral, we get

$\displaystyle \iiint_E y \, dV = \int_0^6 \int_0^x y ((x+y)-(x-y)) \, dy \, dx = 2 \int_0^6 \int_0^x y^2 \, dy \, dx$

$\displaystyle \iiint_E y \, dV = 2 \int_0^6 \frac13 (x^3 - 0^3) \, dx = \frac23 \int_0^6 x^3 \, dx$

$\displaystyle \iiint_E y \, dV = \frac23 \cdot \frac14 (6^4 - 0^4) = \boxed{216}$

6 0

2 years ago

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sasho [114]

Answer:

40+45

Step-by-step explanation:

17x5 is 85

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2 years ago

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which of the following rational functions is graphed below. A.F(x)=1/x(x+2) B. F(x)=2x/x(x-2) C.F(x)=2x/x(x-2) D. F(x)=(x+1)/(x+

nexus9112 [7]

Answer:

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Step-by-step explanation:

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2 years ago

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Answer:

Slide 2) $7.11

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Step-by-step explanation:

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2 years ago

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