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3 years ago

CALC HELP! 16 18 8 32

Mathematics

1 answer:

7nadin3 [17]3 years ago

7 0

I would assume that you would subtract the 2 integrals from each other, the 13 and -3, which will give you 16, and the integral in between 2 to 6, the integral on the right, and then add 2 to 16 which would be 18, I believe that would be the answer.

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The sum of 5 times a number is 7

IRISSAK [1]

Answer:

5*x=7

The answer is made by division

x=7/5

x=1.4

Step-by-step explanation:

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3 years ago

School pennants cost $18 each. Ms.Lee says she will pay $146 for 7 pennants. Is her answer reasonable?

crimeas [40]

Well, all we have to do to figure out if Ms. Lee’s offer is reasonable is multiply the unit price ($18) by 7

18 x 7 = 126

Since she offered $146, she could actually purchase 8 pennants for $144

Therefore, her answer wouldn’t be reasonable

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3 years ago

Sam paid $8.28 for 18 stamps. At this rate, how much would it cost sam to buy 12 stamps?

Korolek [52]

First we want to find how much it costs for 1 stamp, so we do 8.28 divided by 18, which equals 0.46. Then, we multiply 0.46 and 12, which is 5.52. Therefore, it would cost $5.52 to buy 12 stamps.

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3 years ago

Read 2 more answers

A circle with a circumference of 51 inches to find the area

Kaylis [27]

$\textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=51 \end{cases}\implies 51=2\pi r\implies \boxed{\cfrac{51}{2\pi }=r} \\\\[-0.35em] ~\dotfill\\\\ \textit{area of a circle}\\\\ A=\pi r^2\qquad \implies A=\pi \left( \cfrac{51}{2\pi } \right)^2\implies A=\cfrac{51^2}{2^2\pi }\implies A\approx 206.98$

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2 years ago

Find the measure of line segment MK

katen-ka-za [31]

9514 1404 393

Answer:

Step-by-step explanation:

When secants meet, the product of the length of the pieces from the meeting point to the two circle intersection points is the same for all.

KL·KM = KJ·KC

Assuming the marks inside the circle apply only to the lengths inside the circle:

8(8+x+5) = 7(7+2x+1)

104 +8x = 56 +14x

48 = 6x

8 = x

Then the measure of MK is ...

MK = x+13 = 8+13

MK = 21

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3 years ago