Students get a 15% discount off the original prices at the Everything Fluorescent store during its back to school sale. Find the amount of discount on fluorescent notebooks originally priced at $7.99.

Answers

Answer 1

Answer: the discount is $1.19 unless you have to round up than it is $1.20. in order to solve this problem you would set up a proportion. So your proportion would be x over 7.99 = 15 over 100. Than you would cross multiply. 7.99*15=119.85. and 100*x=100x. than u divided both sides by a 100. than x= 1.19. which 1.19 is the discount.

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A bricklayer uses a cylinder to store sand. The cylinder is 5 ft tall and has a radius of 0.5 ft. Each batch of mortar contains 0.48 ft3 of sand.How many batches of mortar can the bricklayer make with 1 cylinder of sand? Use 3.14 to approximate pi, and express your answer as a whole number.

Answers

The volume of the cylinder is pi * 0.5^2 * 5 = 3.927 ft^3
3.927 / 0.48 = 8.181 so 8 batches of mortar with a little bit left over.

Find the measure of a base angle of an isosceles triangle whose vertex angle measures 72.

Answers

The measure of a base angle of an isosceles triangle whose vertex angle measures 72 is 54 degrees.

Given that,

The vertex angle is 72 degrees.
We have to find out the measure of the base angle.

Based on the above information, the calculation is as follows:

= 180 - 72

= 108 degrees

For each base angle it is 54 degrees.

Therefore we can conclude that the measure of a base angle of an isosceles triangle whose vertex angle measures 72 is 54 degrees.

Learn more: brainly.com/question/2773823

Check the picture below.

What is x2 + 6x = x2 - 6x as a system?

Answers

Answer:

A. y=x^2+6x

y= x^2-6x

the answer to the second part is 0

Step-by-step explanation:

on edgenuity 2020 :))

Answer:

x = 0

Step-by-step explanation:

I WENT TO PHOTO MATH

H O P E I T H E L P S ! ™©

What is 1/5+4/5 will give brainiest answer!

Answers

Hi There!

So basically you have to add, whenever you add with the same denominator you just add the numerator.

Steps

1. Add $(4)/(5)$ + $(1)/(5)$

2. Since they have the same denominators add the numerators, 1+4=5

3. You're total answer should be $(5)/(5)$ , whenever you get the same number in the numerator and the denominator the answer will always be one.

Final Answer, $(1)/(5)$ + $(4)/(5)$ equals to one.

Hope This Helps :)

Becky and Tommy are asked to solve −4x − 25 = 8x + 15. Identify where one of them made an error. Becky Tommy −4x − 25 = 8x + 15 −4x − 25 − 8x = 8x + 15 − 8x −12x − 25 = 15 −12x − 25 + 25 = 15 + 25 −12x = 40 Negative 12x over 40 equals 40 over 40 x=negative three-tenths −4x − 25 = 8x + 15 −4x − 25 + 4x = 8x + 15 + 4x −25 = 12x + 15 −25 − 15 = 12x + 15 − 15 −40 = 12x negative 40 over 12 equals 12x over 12 x=negative ten-thirds

Answers

Answer:

The answer is D. Tommy added 15 wrong. :)

Step-by-step explanation:

you add by the quadrent squrr and get your answer

1. How many positive integers have a value between the square root of 8 and the square root of 72?2. what is the 65th odd number ?
a. 125
b. 133
c. 131
d. 127

Answers

1. sqrt 8 = 2.8
sqrt 72 = 8.5
There are 6 positive integers between these numbers (3 to 8).

2. So the 65th odd number is 2 * 65 – 1 = 129.
[Kindy note that the correct answer is not there in the options given.]

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A shopper bought shoes marked $40. The sale tax is 8%. How much did the shopper pay in all?