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3 years ago

The original price of a can of paint is $8. How much will Ronald pay if he buys it 25% off?

Mathematics

2 answers:

AlladinOne [14]3 years ago

8 0

Answer:

Easy, 25% is 2 of 8, so subtract 8-2 to equal 6.

barxatty [35]3 years ago

3 0

Answer:

Step-by-step explanation:

find how much 25% is

8*.25=8/4=2

subtract that from the original price

8-2=6

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12.<br>The container shown has a capacity of 60 milliliters.<br>What fraction of it is empty?<br>

White raven [17]

This is an incomplete question, the image is shown below.

Answer : The fraction empty container is, $\frac{7}{12}$

Step-by-step explanation :

As we are given that:

The capacity of container = 60 mL

In the given figure, the container is filled with 25 mL.

That means,

60 - 25 = 35 mL container is empty.

Now we have to calculate the fraction of it is empty.

The fraction of it is empty = $\frac{\text{Capacity of empty container}}{\text{Total capacity of container}}$

The fraction of it is empty = $\frac{35mL}{60mL}$

The fraction of it is empty = $\frac{7}{12}$

Therefore, the fraction empty container is, $\frac{7}{12}$

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2 years ago

How can csc^2-cot^2 = 1?

Softa [21]

ANSWER

By simplifying the left hand side using the Pythagorean Identity.

EXPLANATION

The given identity is

$\csc^{2} (x) - \cot^{2} (x) = 1$

Take the left hand side and simplify to get the right hand side.

$\csc^{2} (x) - \cot^{2} (x) = \frac{1}{\sin^{2} (x)} - \frac{ \cos^{2} (x)}{\sin^{2} (x)}$

Collect LCM for the denominators.

$\csc^{2} (x) - \cot^{2} (x) = \frac{1 - \cos^{2} (x)}{\sin^{2} (x)}$

Recall the Pythagorean Identity.

$\cos^{2} (x) + \sin^{2} (x) = 1$

This implies that:

$1 - \cos^{2} (x) = \sin^{2} (x)$

We substitute this to get,

$\csc^{2} (x) - \cot^{2} (x) = \frac{\sin^{2} (x)}{\sin^{2} (x)}$

$\csc^{2} (x) - \cot^{2} (x) = 1$

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kramer

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1 year ago

Please help with the working out

nadya68 [22]

I hope this helps you

m=5

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