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2 years ago

Match each LCD with the correct pair of rational expressions. LCD = 2(3)(5)(7)(x)(x)

Mathematics

1 answer:

Salsk061 [2.6K]2 years ago

6 0

Answer:

LCD = 2(3)(5)(7)(x)(x) is A

LCD = (x - 3)(x + 1) is D

LCD = (x + 2)(x - 3) is C

LCD = 2(3)(5)(7)(x) is B

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A mother is currently 7 times older than her son. In 3 years time, she will be 5 times older than her son. Let x and y be the pr

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Answer:

If the child is currently 6 years old and the mom is 42, in three years she'll be 45 and he'll be 9

Step-by-step explanation:

The son is y and the mom is x

x=7y

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7y+3=5y+15

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3 years ago

Read 2 more answers

WILL MARK YOU BRAINLIEST!!!!!!

My name is Ann [436]

Answer:

y = 88

Step-by-step explanation:

Don't worry about the other stuff, just worry about what's in the triangle that has Y.

53°, 39°, and y°

the sum should be equal to 180 so add 53 adn 39 and subtract it from 180.

180 - (53 + 39) = y

180 - 92 = y

88 = y

Hope this helped! Pls Brainliest my answer! It would help amd mean a lot! ;)

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2 years ago

State the additive property of zero using the variable b.

Juli2301 [7.4K]

Answer with Step-by-step explanation:

We are given a variable b

We have to state the additive property of zero using the variable b.

Additive property of zero: It states that when any number b is added to zero then we get sum is equal to number itself.

Mathematical representation:

$b+0=0+b=b$

Suppose, a number b=9

Then, 9+0=9

0+9=9

This property is called additive property of zero because when 9 is added to 0 then we get sum equals to 9.

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3 years ago

your friend says that the volume of a sphere with a radius r is four times the volume of a cone with radius r. when is this true

Ierofanga [76]

Volume of a sphere is given by the formula: $V_{\circ}=\frac43\pi r^3$

If we pull the 4 out front we have, $V_{\circ}=4\left(\frac13\pi r^3\right)$ .

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Notice that if the height of the cone is equal to the radius, $V_{\triangle}=\frac13\pi r^2\cdot r$

then it's exactly what we see in our volume formula without the 4!

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2 years ago

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Helga [31]

Answer:A. 326.53 is the

Step-by-step explanation: I don't know.

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2 years ago