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PtichkaEL [24]
3 years ago
7

What is the square root of 81 and multiplied that by 2?

Mathematics
1 answer:
vovikov84 [41]3 years ago
4 0

Answer: 18


Step-by-step explanation:

Square root of 81 is 9 because 9*9=81 then 9*2=18

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Ismael made a scaled copy of the following
bixtya [17]

Answer:

Options (A), (B) and (C)

Step-by-step explanation:

In the given figure,

Length of side AD = 16 units

If this side is scaled by a factor = k

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If 0 < k < 1,

Then length of the corresponding side will be less than 16.

[Example: If k = \frac{1}{4}

Therefore, scaled side of the corresponding side of the quadrilateral = 16\times \frac{1}{4} = 4]

That means length of corresponding sides may be 4, 6.5 and 12.

Options (A), (B) and (C) will be the answer.

8 0
3 years ago
Will mark brainliest <br> 20 pionts<br> Show work
Rufina [12.5K]

Answer:

Part A) The percentage increase was 6.1\%

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Step-by-step explanation:

Part A)

we know that

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\frac{100\%}{33,000}=\frac{x\%}{35,000-33,000}\\ \\x=2,000*100\%/33,000\\ \\x=6.1\%

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8 0
2 years ago
Read 2 more answers
5.40 is 9% of what price? Please show step by step
Rama09 [41]
p\%=\dfrac{p}{100}\\\\9\%=\dfrac{9}{100}=0.09\\\\9\%\ of\ x\ is\ 5.4\to0.09x=5.4\ \ \ \ |divide\ both\ sides\ by\ 0.09\\\\\boxed{x=60}
3 0
3 years ago
Can someone help me understand this question?
JulijaS [17]
Hey there! 

For Part A, because the amount earned on Sunday isn't specified, we can call this additional income x. Because we're writing an expression, we don't need an equal sign. The expression will be (x + 14). 

For Part B, "2 less than" will mean "– 2" and "twice than" will mean the amount of dogs that Alicia walked times 2. We can call the amount that Alicia walked y to avoid confusion with the last expression (though you could use whatever variable here) and your expression will be (2y – 2). 

Hope this helped you out! :-)
3 0
3 years ago
Louise cleaned for 4 and one-half hours and charged ​$27. At the same hourly​ rate, what would she charge for 6 and one-half hou
grin007 [14]

Answer: 39$

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8 0
3 years ago
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