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likoan [24]
3 years ago
10

I need help what is 7- 5 6/7?

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
4 0

1/7 I don't know if this is subtract or not but I subtracted

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Evaluate the following double integral where a = 2y
Keith_Richards [23]

Change the order of integration.

\displaystyle \int_0^1 \int_{2y}^2 \cos(x^2) \, dx \, dy = \int_0^2 \int_0^{x/2} \cos(x^2) \, dy \, dx \\\\ ~~~~~~~~ = \int_0^2 \cos(x^2) y \bigg|_{y=0}^{y=x/2} \, dx \\\\ ~~~~~~~~ = \frac12 \int_0^2 x \cos(x^2) \, dx

Substitute u=x^2 and du=2x\,dx.

\displaystyle \frac12 \int_0^2 x \cos(x^2) \, dx = \frac14 \int_0^4 \cos(u) \, du = \frac14 \sin(u) \bigg|_{u=0}^{u=4} = \boxed{\frac{\sin(4)}4}

4 0
1 year ago
Assalaamu alaikum...,
aleksandr82 [10.1K]

Answer:

see below

Step-by-step explanation:

alaikum salam.

<u>2. </u><u>find</u><u> </u><u>cos Ф,   sin Ф,  tan Ф</u>

cos Ф = 5 / 13

Ф = 67.38

sin Ф = 12 / 13

Ф = 67.38

tan Ф = 12 / 5

Ф = 67.38

-----------------------

<u>3. find sin β,  cos β,  tan β</u>

sin <u>β</u> = 4 / 5

<u>β</u> = 53.13

cos <u>β</u> = 3 / 5

<u>β</u> = 53.13

tan <u>β</u> = 4 / 3

<u>β</u> = 53.13

4 0
3 years ago
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1) Find the product: 6 x 1/3= * O 61/3 O 6/18 6/3 01/18​
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Answer:

2

Step-by-step explanation:

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you are making lemonade to sell at the trck meet. according to the recipe, you need 12 ounces of lemon juice for every 240 ounce
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I think 462 ounces is the answer
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Sal is trying to determine how much fabric he will need to create the kite diagrammed below.
Vilka [71]

Answer:

40 times 108 and 40 times 33+40 times 75

Step-by-step explanation:

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