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3 years ago

What is the sale price on a $50.00 item that is on sale for 25% off?

Mathematics

1 answer:

romanna [79]3 years ago

3 0

$37.5
50×25÷100 give i the money of 25 percent off which is 12.5
Than you do the difference 50-12.5=37.5

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What is the radius of a cylinder with a height of 5 inches and volume of 62.8in^3 ?

never [62]

Square root 62.8. Which will give you 7.9.
7.9 divided by pi times 5.
7.9 divided by 15.7.
The radius would be 1.9 if left as a decimal, but rounded to the whole number would be 2.
Hope this helps and answers your problem!!!

6 0

3 years ago

What is the difference of the fractions? Use the number line to help find the answer.

Doss [256]

Answer:

Option 'b' i.e. -11/20 is the correct option.

Thus,

$\frac{1}{5}-\frac{3}{4}=-\frac{11}{20}$

Step-by-step explanation:

Given the expression

$\frac{1}{5}-\frac{3}{4}$

Determining the difference of the fractions

$\frac{1}{5}-\frac{3}{4}$

The Least Common Multiplier of 5, 4 is 20. Thus, adjust the fractions based on the L.C.M.

$\frac{1}{5}-\frac{3}{4}=\frac{4}{20}-\frac{15}{20}$

Apply the fraction rule: $\frac{a}{c}-\frac{b}{c}=\frac{a-b}{c}$

$=\frac{4-15}{20}$

Add the number: 4-15 = -11

$=\frac{-11}{20}$

Apply the fraction rule: $\frac{-a}{b}=-\frac{a}{b}$

$=-\frac{11}{20}$

Please check the attached figure, where the pointing-down arrow is representing the correct answer which is -11/20.

Therefore, option 'b' i.e. -11/20 is the correct option.

Thus,

$\frac{1}{5}-\frac{3}{4}=-\frac{11}{20}$

3 0

3 years ago

Determine which pair of points has a negative slope.

Mashcka [7]

It is C

all the other options have positive slopes

3 0

4 years ago

What would be the first step to solve for n in the equation 3n-7=30?

taurus [48]

The first step would be to add 7 to both sides.
3n-7=30
add 7
3n=37
divide by 3
n=12.33

4 0

3 years ago

Read 2 more answers

An observatory is shaped like a cylinder standing on one of its bases with a dome on top.The diameter of the floor of the observ

Ratling [72]

Answer:

$200.96\ ft$

Step-by-step explanation:

we know that

The circumference of a circle is equal to

$C=\pi D$

in this problem

$D=64\ ft$

substitute

$C=\pi (64)=64\pi\ ft$ -----> exact value of the circumference

Find the approximate value of the circumference

assume

$\pi=3.14$

$64\pi\ ft=64(3.14)=200.96\ ft$

8 0

4 years ago