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JulsSmile [24]
3 years ago
7

What is 75% of 18 I'm really confused on this lesson

Mathematics
2 answers:
joja [24]3 years ago
5 0

take 0.75, because that is what you get when you take 75/100, and multiply it by 18
zlopas [31]3 years ago
4 0
The easiest way to to this it to make 75% a decimal. To do that you have to divide by 100 making it .75. After you have .75 just multiply it to 18 and you get...13.5
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<img src="https://tex.z-dn.net/?f=3%20%5Csqrt%7B2%7D%20%20-%204%20%20%5Cdiv%20%20%5Csqrt%7B3%7D%20%20-%202" id="TexFormula1" tit
ivann1987 [24]
Simplify the following:
(3 sqrt(2) - 4)/(sqrt(3) - 2)

Multiply numerator and denominator of (3 sqrt(2) - 4)/(sqrt(3) - 2) by -1:
-(3 sqrt(2) - 4)/(2 - sqrt(3))

-(3 sqrt(2) - 4) = 4 - 3 sqrt(2):
(4 - 3 sqrt(2))/(2 - sqrt(3))

Multiply numerator and denominator of (4 - 3 sqrt(2))/(2 - sqrt(3)) by sqrt(3) + 2:
((4 - 3 sqrt(2)) (sqrt(3) + 2))/((2 - sqrt(3)) (sqrt(3) + 2))

(2 - sqrt(3)) (sqrt(3) + 2) = 2×2 + 2 sqrt(3) - sqrt(3)×2 - sqrt(3) sqrt(3) = 4 + 2 sqrt(3) - 2 sqrt(3) - 3 = 1:
((4 - 3 sqrt(2)) (sqrt(3) + 2))/1

((4 - 3 sqrt(2)) (sqrt(3) + 2))/1 = (4 - 3 sqrt(2)) (sqrt(3) + 2):
Answer: (4 - 3 sqrt(2)) (sqrt(3) + 2)
4 0
3 years ago
Jeanetta collects antique picture frames. In her first year of collecting, she collects 10 frames. Each year, she hopes to colle
GREYUIT [131]

Answer:

235

Step-by-step explanation:

5 0
3 years ago
A. Lily paid $6 for 3/8 lb of nuts. <br> What is the unit rate as complex fraction (simplify)
SashulF [63]

Answer:

Ib = $16 per lb

Step-by-step explanation:

3 0
2 years ago
Solve for w in P = 2w + 2l, if P = 38 and l = 12.
vova2212 [387]
W= 7

38=2w+2(12)
                /
38=2w + 24
-24        -24

14=2w
divid by 2    divid by 2

7=w
4 0
3 years ago
Read 2 more answers
If Anita has read 55 of the 245 pages in her book, what percent of the book has she read?
givi [52]

Answer:

22.45%

To two decimal places

Step-by-step explanation:

A book has 245 pages and she has only read 55 of the pages. To get the percentage:

55/245 and then multiply it by 100.

55/245

=O.2245 (To four decimal places)

0.2245 x 100

22.45% (To two decimal places)

She has only read 22.45% of the book. To convert it to a whole number, that's 22% of the book has been read

3 0
3 years ago
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