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3 years ago

Answer quickly give brainiest answer

Mathematics

2 answers:

tatyana61 [14]3 years ago

8 0

Yes I checked it his answer is valid

storchak [24]3 years ago

3 0

Answer:

A. 6

B. 3 and 3

Step-by-step explanation:

A) 8x3/4

B) since the area is three and you have to spit the triangle down the middle...

You draw a line diagonally from the top right corner to the bottom left corner and the area would be 3 and 3 because 6 in half is 3

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Vladimir79 [104]

Answer:

Step-by-step explanation:

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3 years ago

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4 years ago

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astraxan [27]

They're all d).

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2) Either 96/8=? or 8*?=96 describe the problem, ? being the number of chairs (the blank square in the answers). Of the two only the first appears in the options.

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3 years ago

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Step-by-step explanation:

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3 years ago

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Sloan [31]

Answer:

21. C, 24.B

Step-by-step explanation:

Since the y-value for x = 0 is not zero, the function cannot have sine in it because sin of 0 is always 0. Therefore, the function will have cos in it. That leaves only B and C left. Since cos(0) is always 1, and the value of y when x = 0 is 0.5, the function will have 1/2 multiplied by a cos function. The only answer option that has that is C.

Now, for the next problem, we know the values of all three sides, and we need to find one angle. We can use the law of cosines for this and plug the values into the equation:

$55^2=40^2+24^2-2(40)(24)\cos(C)$

We can subtract 40 squared plus 24 squared from both sides to get

$849=-2(40)(24)\cos(C)$

Negative two times 40 times 24 equals -1920. Dividing -1920 from both sides gets us

$\frac{849}{-1920}=\cos(C)$

Plugging this equation into a calculator and solving for C, we get the answer as approximately

C = 116.24353.

This rounds to 116.2

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4 years ago