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2 years ago

14

Genevieve is cutting 60-inch piece of ribbon into a ratio of 2:3.Since 2 inches are frayed at one end of the ribbon, she will ne

ed to start 2 inches in.This is indicated as 2 on the number line. Where will her cut be located ? Round to the nearest tenth.

1 answer:

MAXImum [283]2 years ago

4 0

Answer: 25.2 in.

Step-by-step explanation:

just took the test on edg

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What is the center of the ellipse x2+5y2–45=0?

jeka94

Answer:

Center is at (0,0)

Step-by-step explanation:

An equation of ellipse in standard form is:

$\displaystyle{\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2} = 1$

Where center is at point (h,k)

From the equation of $\displaystyle{x^2+5y^2-45=0}$ . First, we add 45 both sides:

$\displaystyle{x^2+5y^2-45+45=0+45}\\\\\displaystyle{x^2+5y^2=45}$

Convert into the standard form with RHS (Right-Hand Side) equal to 1 by dividing both sides by 45:

$\displaystyle{\dfrac{x^2}{45}+\dfrac{5y^2}{45}=\dfrac{45}{45}}\\\\\displaystyle{\dfrac{x^2}{45}+\dfrac{y^2}{9}=1}$

Therefore, the center of ellipse is at (0,0) since there are no values of h and k.

8 0

1 year ago

Rachel earned $23,750 and paid a FICA tax of 7.65%. How much FICA tax did she pay?

MAVERICK [17]

Tax = 7.65% of $23, 750

Tax = 0.0765 x 23750

Tax = $1816.88 (nearest hundredth)

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Rachel needs to pay $1816.88 for FICA tax
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7 0

3 years ago

21 is what percent more than 16

Serjik [45]

its 50% percent more, 50% is ur answer

7 0

3 years ago

Find the simple interest earned on $750 at 6% for 18 months

alexandr402 [8]

Answer:

800k

Step-by-step explanation:

You said earned 750 %6 x 18 montjs

6 0

1 year ago

Two aquariums are shaped like a rectangular prism the ratio of the dimensions of the larger aquarium to the dimensions of the sm

Daniel [21]

Answer:

Cathy was right ( kinda)

Step-by-step explanation:

let the dimension of the small one be 2a : 2b : 2c

then the dimension of the big one be 3a : 3b : 3c

volume of small: 2a*2b*2c = 8 abc

volume of big: 3a*3b*3c = 27 abc

volume ratio: big/ small = 27/8 = 3.375

-> big one hold 237.5% more than small

-> Cathy was right ( kinda)

3 0

3 years ago