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svlad2 [7]
3 years ago
13

Is my answer correct?

Mathematics
2 answers:
vovangra [49]3 years ago
5 0
Yeah you are right since 20% of 150 is 30.
just olya [345]3 years ago
3 0

Yes you are correct 20% of 150 is 30.

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When you buy an item on which sales tax is charged,the total cost is calculated by the formula T=P+s/100p where T is the total c
Gennadij [26K]

Given:

The formula for total cost is

T=p+\dfrac{s}{100}p

where, p is the price of item and s is the sales tax rate (as a percent).

You pay $14.77 for an item priced at $14.

To find:

The the tax rate.

Solution:

You pay $14.77 for an item priced at $14. So,

Total cost (T) = $14.77

Price of item (p) = $14

Putting T=14.77 and p=14 in given formula, we get

14.77=14+\dfrac{s}{100}(14)

14.77-14=\dfrac{s}{100}(14)

0.77=\dfrac{s}{100}(14)

Multiply both sides by 100.

77=14s

Divide both sides by 14.

\dfrac{77}{14}=s

5.5=s

Therefore, the tax rate is 5.5%.

7 0
3 years ago
cylinder A has a radius of 6 centimeters cylinder B has the same height and a radius half as long as cylinder A what fraction of
REY [17]
Volume of a cylinder=the area of the base multiply the height
Cylinder A's volume: pi*6*6*h=36*pi*h
Cylinder B's volume: pi*3*3*h=9*pi*h
so the fraction is 9/36=1/4
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6 0
3 years ago
PLEASE HELP ME I AM DESPERATE
Paladinen [302]

Answer: B 5+5=10+4+4+4=12+3 10+12+3 25 lol

Step-by-step explanation:

5 0
3 years ago
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For the function f(x) = –2(x + 3)2 − 1, identify the vertex, domain, and range.
gregori [183]
F(x) = -2(x + 3)^2 - 1
vertex = (-3, -1)
domain is all real number values of x and
range is all real numbers values of y less than or equal to -1.
5 0
3 years ago
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Researchers measured the average blood alcohol concentration C(t) of eight men starting one hour after the consumption of 30 mL
Norma-Jean [14]

Answer:

<u><em>note:</em></u>

<u><em>solution is attached in word form due to error in mathematical equation. furthermore i also attach Screenshot of solution in word due to different version of MS Office please find the attachment</em></u>

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3 0
3 years ago
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