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3 years ago

Three consecutive even integers have a sum of 18. find the integers

Mathematics

1 answer:

natta225 [31]3 years ago

5 0

Answer:

5,6,7

Step-by-step explanation:

x-1+x+x+1=18

3x=18

x=6

5,6,7

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The value of the definite integral / 212x – sin(x) dx / 122x-sin(x) is

blondinia [14]

Hi there!

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$\int\limits^{12}_{2} {x-sin(x)} \, dx$

We can evaluate using the power rule and trig rules:

$\int x^n = \frac{x^{n+1}}{n+1}$

$\int x = \frac{1}{2}x^{2}$

$\int -sin(x) = cos(x)$

Therefore:

$\int\limits^{12}_{2} {x-sin(x)} \, dx = [\frac{1}{2}x^{2}+cos(x)]_{2}^{12}$

Evaluate:

$(\frac{1}{2}(12^{2})+cos(12)) - (\frac{1}{2}(2^2)+cos(2))\\= (72 + cos(12)) - (2 + cos(2))\\\\= 70 + cos(12) - cos(2) \approx 71.26$

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3 years ago

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KiRa [710]

Answer:

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Step-by-step explanation:

3(x-4) = 12

3x - 12 = 12

+ 12 + 12

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/ 3 / 3

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6 0

3 years ago

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X-26 over -9= 5 please help quick

nexus9112 [7]

Answer:

x = -19

Step-by-step explanation:

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Multiply both sides of the equation by -9.

$\frac{\left(x-26\right)\left(-9\right)}{-9}=5\left(-9\right)$

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2 years ago

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givi [52]

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Step-by-step explanation:

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3 years ago

A savings account with a current balance of $5,000 earns 2.75% annual interest, compounded continuously. To the nearest dollar,

Anna11 [10]

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Three consecutive even integers have a sum of 18. find the integers ​

Three consecutive even integers have a sum of 18. find the integers