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2 years ago

Write 4 over 8 as a percent and as a decimal. this is so easy I know

Mathematics

1 answer:

Sergeu [11.5K]2 years ago

5 0

Answer:

As a decimal 0.5

as a percentage 50%

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If the sales tax rate is 8%, what is the tax on a $5.75 cent purchase?

lora16 [44]

Answer:

$0.46

Step-by-step explanation:

Price= $5.75

Sales tax= 8%

8/100 because we're looking for 8% from 100%

Multiply

5.75*0.08

3 0

2 years ago

M*(x+y)+4y/(x^2-xy-y^2)=(x+2y)/(x^2-xy-Y^2),find the value of M

dybincka [34]

Answer: M = $\frac{x-2y}{x+y}$

Step-by-step explanation:

$\frac{M(x+y)+4y}{x^{2}-xy-y^{2} } =\frac{(x+2y)}{x^{2} -xy-y^{2} }$

M (x + y) + 4y = x + 2y (Multiply $x^{2} - xy-y^{2}$ in both sides)

M (x + y) = x + 2y - 4y

M (x + y) = x - 2y (Divide (x+y) from both sides)

M = $\frac{x-2y}{x+y}$

3 0

2 years ago

Can someone help me?

nasty-shy [4]

The scale factor is x2 or 100. 2 times 2 is 4 and n

5 0

2 years ago

Two more than five times a number is less than or equal to 47

Sliva [168]

5x + 2 < 47

Side note: put the line under the

7 0

2 years ago

A cylinder vase has a height of 10 inches and a diameter of 3 inches. If the water raises to 9/10 of the way to the top, approxi

goblinko [34]

Answer:

The volume of water in the vase is $64 in^3$

Step-by-step explanation:

A cylinder vase has a height, h, of 10 inches and its diameter of 3 inches. This means that its radius, r, is:

r = 3 / 2 = 1.5 inches

To find the volume of the water in the vase if the water raises to 9/10 of the way to the top, we first have to find the volume of the vase when it is filled with water and then, find 9/10 of that volume.

The volume of a cylinder is given as:

$V = \pi r^2h$

The volume of the vase will be:

$V = \pi * 1.5^2 * 10\\V = 70.69 in^3$

Hence, the volume of the water in the vase when it is 9/10 filled is:

$\frac{9}{10} * 70.69 = 63.62 in^3$

Approximating to the nearest cubic inch, the volume of water in the vase is $64 in^3$

5 0

2 years ago