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3 years ago

Fast I need help do t understand !!!!!

Mathematics

2 answers:

77julia77 [94]3 years ago

7 0

Answer: 21, hope it helps

goblinko [34]3 years ago

6 0

Answer:

....................21 .....................

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1) Use the number line to help you answer this question.

masya89 [10]

Answer:

Step-by-step explanation:

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2 years ago

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2/3 + (-5/7) .........

dmitriy555 [2]

Answer:

-1/21

Step-by-step explanation:

2/3 + -5/7

Get a common denominator of 21

2/3 *7/7 = 14/21

-5/7*3/3 = -15/21

14/21 - 15/21 = -1/21

4 0

3 years ago

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Evaluate the triple integral_E x^6e^y dV where E is bounded by the parabolic cylinder z = 25 - y^2 and the planes z = 0, x = 5,

Nimfa-mama [501]

Nothing crazy here, just a matter of figuring out the limits of integration.

$\displaystyle\iiint_Ex^6e^y\,\mathrm dV=\int_{-5}^5\int_{-5}^5\int_0^{25-y^2}x^6e^y\,\mathrm dz\,\mathrm dy\,\mathrm dx$

$=\displaystyle\int_{-5}^{-5}\int_{-5}^5x^6e^y(25-y^2)\,\mathrm dy\,\mathrm dx$

$=\displaystyle\left(\int_{-5}^5x^6\,\mathrm dx\right)\left(\int_{-5}^5e^y(25-y^2)\,\mathrm dy\right)=\boxed{\frac{625,000(3+2e^{10})}{7e^5}}$

4 0

3 years ago

What’s the answer please help !!!!

baherus [9]

I think the answer is x>-3

5 0

3 years ago

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Whats 12*5+55= ill mark asa brainliest

Aleksandr-060686 [28]

First do PEMDAS
There's no parenthesis. So move on to exponent. There's also no exponents. Move on to multiplication. There it is.

12×5=60.

There's no division so now next one is addition. Hey look! There is addition.

60+55=115.

So 115 is your answer.

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3 years ago

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