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Dahasolnce [82]
3 years ago
12

Write 80 as a product of prime factors

Mathematics
2 answers:
ankoles [38]3 years ago
8 0
2x2x2x2x5 which is 80
DedPeter [7]3 years ago
6 0


80=20x4=10x2x2x2=5x2x2x2x2

5x2x2x2x2

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8) can u answer this question pls
Vsevolod [243]

Answer: 346.19cm²

Step-by-step explanation:

π= 3.14

Divide 21 (the diameter) by 2 to get the radius( it 's half of the diameter). so the radius is 10.5

Area= πr²

       = 3.14x10.5x10.5

       = 346.185

So next round up the value you got to the nearest tenth, so when u round up to the nearest tenth you get 346.19

3 0
2 years ago
I NEED HELP PLEASE!!!!!!!!!!!!!!!!!<br><br> PLEASE EXPLAIN!!!!
lora16 [44]

Answer:

2

Step-by-step explanation:

\frac{5^{2}-10 }{17-3*4} -1\\\frac{5^{2}-10 }{17-3*4} =3\\\=-3-1\\=2

6 0
3 years ago
Calvin deposits $400 in a savings account that accrues 5% interest compounded monthly. After c years, Calvin has $658. 80. Makay
Drupady [299]

The approximate difference between Calvin and Makayla's number of years of money invested is 2 years.

<h3>What is compound interest?</h3>

Compound interest is the amount charged on the principal amount and the accumulated interest with a fixed rate of interest for a time period.

The formula for the final amount with the compound interest formula can be given as,

A=P\left(1+\dfrac{r}{t}\right)^{t}

Here, A is the final amount (principal plus interest amount) on the principal amount of P with the rate of r in the time period of t.

Calvin deposits $400 in a savings account and Interest rate is 5 present compounded monthly.

As the final amount Calvin has $658.80 in c years. Thus the monthly compound interest can be given as,

658.8=400\left(1+\dfrac{5}{12\times100}\right)^{12c}\\\dfrac{658.8}{400}=\left(\dfrac{1205}{1200}\right)^{12c}\\c\cong10\rm years

Now Makayla deposits $300 in a different savings account that accrues 6% interest compounded quarterly. The final amount she gets is $613.4 in m years. Thus,

613.4=300\left(1+\dfrac{6}{12\times100}\right)^{12m}\\\dfrac{613.4}{300}=\left(\dfrac{1206}{1200}\right)^{12m}\\c\cong12\rm years

Thus, the approximate difference in the number of years that Calvin and Makayla have their money invested is 2 years.

Learn more about the compound interest here;

brainly.com/question/24274034

5 0
2 years ago
Help asap 7(8+4k)+12
GuDViN [60]
<h3>Answer:  28k+68</h3>

=============================================

Work Shown:

7(8+4k)+12

7*8+7*4k+12 ..... distributive property

56+28k+12

28k+56+12

28k+68

8 0
3 years ago
Read 2 more answers
A dolphin swimming 24 feet below the oceans surface dives 18 feet straight down. How many feet below the oceans surface is the D
g100num [7]
It is 30 feet down the ocean surface
7 0
3 years ago
Read 2 more answers
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