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3 years ago

How to work out percentage loss

1 answer:

8 0

1. Work out difference between the two numbers you are comparing and divide the decreased number by using the original number.
2. Multiply by 100
3. If it is negative, then this will indicate that it is a percentage increase. However, if it is positive, it is the percentage decrease,
I hope this helped.

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Solving Rational equations. LCD method. Show work. Image attached.

Ugo [173]

Answer:

$k=\frac{1}{2}$

Step-by-step explanation:

The given rational equation is

$\frac{5k}{k+2}+\frac{2}{k}=5$

The Least Common Denominator is

$k(k+2)$

Multiply each term by the LCD.

$k(k+2)\times \frac{5k}{k+2}+k(k+2)\times \frac{2}{k}=5k(k+2)$

Simplify;

$k\times \frac{5k}{1}+(k+2)\times \frac{2}{1}=5k(k+2)$

$\Rightarrow k(5k)+2(k+2)=5k(k+2)$

Expand;

$\Rightarrow 5k^2+2k+4=5k^2+10k$

Group similar terms;

$\Rightarrow 5k^2-5k^2+2k-10k=-4$

$\Rightarrow -8k=-4$

Divide by -8.

$k=\frac{1}{2}$

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3 years ago

If a right circular cone is intersected by a plane only at its vertex, as in the

HACTEHA [7]

The answer is E. A circle

7 0

3 years ago

Read 2 more answers

The perimeter of the new m-phone is 16 inches. The phones length is 5.25 inches. What is the width of the phone

True [87]

Perimeter is all the sides added up together.
Divide 16 by 2, so that you can get just a measurement of the length and the width.

16/2 = 8

Since the length is 5.25, subtract that by 8.

8-5.25 = 2.75

The width of the phone is 2.75 inches.

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2 years ago

Please help out, using your knowledge of equilateral and isosceles triangles, find the value of x

alukav5142 [94]

Answer:

I think the other angles are 40 degrees excpet the "x" which is 100 also

Step-by-step explanation:

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3 years ago

What does this even mean??

kramer

R is 18 and x is 12 is the answer of your
question

7 0

3 years ago