3 years ago

Help what’s the answer

Mathematics

1 answer:

Tom [10]3 years ago

7 0

The answer is 474 i believe

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-2^2-3(-2)+1 evaluate the polynoimal

Phoenix [80]

We must follow order of operations rules (PEMDAS) here: exponentiation first, followed by multiplication and division, followed by addition and subtraction.

Thus, -2^2-3(-2)+1 becomes:

-[4] + 6 + 1 = 2 + 1 = 3 (answer)

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3 years ago

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What is the error when the integral <img src="https://tex.z-dn.net/?f=%5Cint%5Climits%5E0_1%20%7Bsin%28pix%29%20%2C%20dx" id="Te

Mademuasel [1]

Answer:

the integral is -2 but im not quite sure what the error is.

but hey, how about a brainliest for effort

Step-by-step explanation:

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3 years ago

Jackson mows lawns to make money. It costs him $7 each week to advertise his business. It costs him $1.50 in gas to mow each law

pickupchik [31]

Lawns = L
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3 years ago

A boat travels 12 Mph in still water. It can travel 18 miles upstream in the same time that it can travel 24 miles downstream. W

quester [9]

Answer:

The current of the water is 1.714 mph.

Step-by-step explanation:

Let the boat in t hours can travel 18 miles upstream, and 24 miles downstream.

Therefore, if the speed of the boat in still water is 12 mph and that of water is x mph , then we can write

$\frac{18}{t} = 12 - x$ ........ (1) and

$\frac{24}{t} = 12 + x$ ............ (2)

Now, adding those two equations (1) and (2) we get,

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3 years ago

If 9x = 36, what is the value of 1/4x

sertanlavr [38]

It is 1, since 36/9 = 4, and 4 divided by 4 = 1.

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