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laila [671]
2 years ago
9

Find the percent of increase from 8 feet to 10 feet. Round the percent to the nearest tenth if necessary.

Mathematics
2 answers:
Ivenika [448]2 years ago
6 0
20%

source= 8/10 is 80% so you take the remaining 20% which is the percent of increase
vfiekz [6]2 years ago
5 0

Answer:

2 \div 8 \times 100 =

25%

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Two numbers have prime factorizations of 2 2 · 3 · 5 and 2 · 3 2 · 7.
ladessa [460]
I think for the question above, instead of 2 · 3^2 · 7 it is <span>2 · 3^2 · 5.
</span>
Two numbers have prime factorizations of 2^2 • 3 • 5 and 2 • 3^2 • 5 (note 2 squared & 3 squared).

Now, to choose the GCF, you choose, for each base factor in either number, the least exponent-ed one; so the GCF needs a factor 2, a factor 3, and a factor 5. Thus the GCF is 30 (their product). [i.e,2 squared is not a common factor]

<span>To create the LCM, you choose, for each base factor in either number, the greatest exponented one. Thus, LCM needs a factor 2 squared, 3 squared, and 5, giving LCM = 4(9)(5) = 180.</span><span />
4 0
3 years ago
Read 2 more answers
(a)
grin007 [14]

Answer:

x=−41−−239 ​​=−41​+4i​239 ​=−0.2500−3.8649i x=−41+−239 ​​=−41​−4i​239  =−0.2500+3.8649i

Step-by-step explanation:

5 0
3 years ago
Estimate 17.218 -5.75 by first rounding each number to the nearest tenth.
777dan777 [17]
11.5, when rounded to the nearest tenth the answer was 11.468 but we need to round and 6 is 5 and higher so the 4 would become a 5. The answer is 11.5
7 0
3 years ago
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On anne's bicycle, the ratio of pedal turns to rear-wheel turns in second gear is 4 to 7. if her rear wheel turns 875 times per
quester [9]
Let the number of times she turns the pedal in one mile be x.

Given that her rear miles turns 875 times in one mile and the ratio of pedal turns to rear wheel turns is 4 to 7, then

\frac{4}{7} = \frac{x}{875}  \\  \\ \Rightarrow 7x=4(875)=3,500 \\  \\ \Rightarrow x= \frac{3,500}{7} =\bold{500}

Therefore, she turns the pedal 500 times in one mile.
8 0
3 years ago
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8% of 20 is what number
Dafna1 [17]
8% of 20 is 1.6

This is because you take the percentage and divide it by 100 so that you have a decimal, then multiply that by twenty. So, 8% ÷ 100 = 0.08 then 0.08 × 20 = 1.6

Hope this helps! 
7 0
3 years ago
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