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3 years ago

What is the simplified form of the quantity of x plus 7, all over the quantity of x plus 3 + the quantity of x minus 4, all over

Mathematics

1 answer:

allochka39001 [22]3 years ago

3 0

$\frac{3x + 21}{4x + 5}$

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Solve the system of equations using subtraction. <br> 2x - 4y = - 12 <br>2x + y = 13

alisha [4.7K]

First can you change
2x + y = -12
To have y as the subject

Looks like y = ???

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3 years ago

Dimensions of a prism has a scale factor of 7/4 how will this affect surface area<br><br> Plz help

Margaret [11]

The surface area will increase by a factor of 49/16

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3 years ago

a fishbowl shaped like a sphere is filled with water. The fishbowl has a diameter of 16 inches. Which measurement is closest to

gregori [183]

Answer:

The volume of the water in the fishbowl is equal to

$(682\frac{2}{3})\pi\ in^{3}$ or $2,144.6\ in^{3}$

Step-by-step explanation:

we know that

The volume of the sphere (a fishbowl) is equal to

$V=\frac{4}{3}\pi r^{3}$

In this problem we have

$r=16/2=8\ in$ ----> the radius is half the diameter

substitute

$V=\frac{4}{3}\pi (8^{3})=\frac{2,048}{3}\pi\ in^{3}$

convert to mixed number

$\frac{2,048}{3}\pi\ in^{3}=\pi (\frac{2,046}{3}+\frac{2}{3})=(682\frac{2}{3})\pi\ in^{3}$

$(3.14156)*(682\frac{2}{3})=2,144.6\ in^{3}$

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4 years ago

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What is the reciprocal of –5?

Anon25 [30]

-5 is the same as -5/1

Flip the fraction:

-1/5

2/9 / 1/4

Flip the 2nd fraction and multiply:

2/9 * 4/1

Multiply the numerators and denominators:

8/9

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3 years ago

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Solve for g please!!!!!!!!!!!!!!

alexandr402 [8]

G = m/5t- Q^2. Hope that helps.

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3 years ago