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Alborosie
3 years ago
11

Enter an algebraic expression to model the given context. Give your answer in simplest form.

Mathematics
1 answer:
scoray [572]3 years ago
4 0

Answer: p-0.6p

Step-by-step explanation:

60% = 0.6

Discount is 60% of price p = 0.6p

Original price less discount

p-0.6p

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What are two decimals that can be rounded to 4.26
Andrew [12]
In rounding, a number must be 5 or more to round up, and 4 or less to round down.

To round up to 4.26 you would need a number between 4.255 and 4.264

4.258 and 4.261 are two examples

8 0
3 years ago
Find the x-intercept of the graph of the linear equation<br> y = - 2 x + 3.
Lina20 [59]
The answer is y= -6.
3 0
4 years ago
One supplementary angle is 15 degrees less than twice the other. Find the measure of the two supplementary angles.
o-na [289]

Hey there!

To find our answer, we need to set up a <u><em>system of equations. </em></u>Remember, <u><em>supplementary angles</em></u> equal 180 degrees when combined. We will call one of our angles A and the other one B. Let's set it up below! :)

A=2B-15 (one angle is 15 degrees less than twice the other)

A+B=180

We need to find one of our variables. To do this, we only put one variable in the equation. But how, there are two variables in both equations! Well, as you can see, we see the A is equal to 2B-15, so we can take 2B-15 and put it into the second equation in place of A because it is equal to A, and then we will only have Bs and we can solve for it. This method is known as solving systems of equations with <u><em>substitution.</em></u>

Let's solve with substitution!

2B-15+B=180

3B-15=180              We combine our Bs.

3B=195              We add 15 to both sides.

B= 65                We divide both sides by three.

Now, we need to find what A is, but this will be really easy to do! If you remember, our angles are supplementary, so when you combine them, we will get 180, as you can see in our second equation in our first system of equations. So, we simply subtract 65 from 180.

180-65=115

Our two angles are 65° and 115°.

We can also check this with the original problem.

If you double 65, we have 130. Then, if we subtract 15, we have 115. Systems of equations are a pretty awesome way to figure this out!

I hope this helps! Have a great day!

5 0
3 years ago
What is the exact volume of the cylinder? ​
irina [24]

Answer:

15 is the volume of it

Step-by-step explanation:

hope I helped

4 0
3 years ago
please help please help please please please please please please please please please please please please please please please
7nadin3 [17]
Answer:
1) -10^3 (-10 to the power of 3)
2) r^5 (pie to the power of 5)
3) 1/2^2 + x^3 (1/2 to the power of 2 + x to the power of 3)
3 0
3 years ago
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