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aniked [119]
3 years ago
12

Pls answer!!!!!! The sum of two numbers is 46 and the difference is 20 what are the numbers?

Mathematics
1 answer:
katen-ka-za [31]3 years ago
7 0

Answer:

33 and 13

Step-by-step explanation:

46/2 = 23

difference is 20, add 10 to one and subtract 10 from 23, giving you two numbers: 13 and 33.

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Snezhnost [94]

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What are the constants in the expression 12+x-3.7-8y+1/3
siniylev [52]
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The value of the definite integral / 212x – sin(x) dx / 122x-sin(x) is
blondinia [14]

Hi there!

\boxed{= 70 + cos(12) - cos(2) \approx 71.26}

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We can evaluate using the power rule and trig rules:

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

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

Therefore:

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

Evaluate:

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3 0
3 years ago
the lenght of a rectangle is 2 cm less than 7 times the width. the perimeter is 60 cm . find the width and lenght
vampirchik [111]
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L=7W-2
P=60

This is what we already know. To find the width, we have to plug in what we know into P=2(L+W), our equation to find perimeter.

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Now that we only have 1 variable, we can solve.

First, distribute the 2.
60=14W-4+2W

Next, combine like terms.

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Then, add four to both sides.

64=16W

Lastly, divide both sides by 16


W=4

To find the length, we plug in our width.

7W-2

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28-2

L=26
8 0
3 years ago
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