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AlladinOne [14]

2 years ago

13

In the past year, Raina watched 6 movies that she thought were very good. She watched 15 movies over the whole year. Of the movi

es she watched, what percentage did she think were very good?

1 answer:

Leya [2.2K]2 years ago

3 0

Answer:6/15 so 40%

Step-by-step explanation:

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Simplify the expression \[\frac{6}{\sqrt{36} + \sqrt{27}} + \frac{6}{\sqrt{27} + \sqrt{18}} + \frac{6}{\sqrt{18} + \sqrt{9}}.\]

Viktor [21]

Answer:

= 18 ( 3 + 2(\sqrt{3} + \sqrt{2} ))

Step-by-step explanation:

$6(\sqrt{36} +\sqrt{27}) + 6(\sqrt{27} +\sqrt{18}) + 6(\sqrt{18} + \sqrt{9} )\\= 6( {6} +\sqrt{9*3}) + 6( \sqrt{9*3} +\sqrt{9*2}) + 6(\sqrt{9*2} + 3 )\\= 6( {6} +3\sqrt{3}) + 6(3\sqrt{3} +3\sqrt{2}) + 6(3\sqrt{2} + 3 )\\=36 + 18\sqrt{3} + 18\sqrt{3} + 18\sqrt{2}+ 18\sqrt{2} + 18\\= 36+18 +18( \sqrt{3}+ \sqrt{3} +\sqrt{2} + \sqrt{2})\\= 54 + 18 (2\sqrt{3} +2\sqrt{2})\\=54 + 36\sqrt{3} + 36\sqrt{2}\\= 18 ( 3 + 2(\sqrt{3} + \sqrt{2} ))$

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2 years ago

Of the 482 graduating seniors at Palmdale High School, approximately 5/8 are going to college, and approximately 1/2 of those go

zavuch27 [327]

Answer:A

Step-by-step explanation:

trust

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2 years ago

Pls look at this pic and help like i don't understand i will mark u as brainliest

dimulka [17.4K]

Answer:

48 cubic yard

Step-by-step explanation:

$volume \: of \: pyramid \\ = area \: of \: base \times height \\ = {4}^{2} \times 3 \\ = 16 \times 3 \\ = 48 \: {yard}^{3} \\$

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2 years ago

If you help me you’re a true friend

Virty [35]

Answer:

28/3!

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

How to solve this substitution

Lena [83]

-5x+4y=11
substitute for x which is 5
(-5)(5)+4y=11

simplify :
4y-25=11

add 25 on both sides
4y-25=11
+25 +25
the 25 cancels out

so it would be 4y=36
and you divide both sides by 4

4/4 =36/4

which gives you (5,9)
x= 5 , y =9

6 0

2 years ago