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MatroZZZ [7]
3 years ago
9

PLEASE HELP Type in expanded form. Use parentheses to indicate multiplication. (2r)³

Mathematics
2 answers:
charle [14.2K]3 years ago
5 0
It would be 8r^{3} because you have to multiply the exponent by each of the numbers exponents. you may not see it but 2 has a 1 as an exponent and so does r. 1 time 3 is 3 for each therefore each number now has an exponent of 3 and we got rid of the outside exponent. now all you have to do is simplify the 2 to the power of 3 which gives you 8 and that is all
aksik [14]3 years ago
5 0
I think the answer would be 2000
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Find probabilities using combinations and permutations. Tyler was feeling particularly adventurous at the hair salon one day, an
Blizzard [7]

There are total of 10 colors to choose.

6 are shades of purple and

4 are not shades of purple.

Tyler selects 5 colors, and exactly 2 are shades of purple. Therefore, the 3 other colors are not shades of purple.

7 0
1 year ago
45 is 25% of a number. find the number.
max2010maxim [7]

25 × x = 45

or 25÷100 × x= 45

multiplying both sides by 100 and dividing both sides by 25, we have x = 45×100÷25

therefore, x = 180

( if you use a calculator simply enter 45×100÷ 25)

6 0
2 years ago
Read 2 more answers
10.Adrienne is going to deposit $8,500 in an account that earns 2.5% interest for 360 months. How much more interest will she ea
suter [353]

Answer:

Difference= $3,090.15 in favor of compounded interest

Step-by-step explanation:

Giving the following information:

Present value (PV)= $8,500

Ineterest (i)= 0.025/12= 0.00208

Number of periods (n)= 360 months

<u>We will calculate the future value of each option and determine the difference:</u>

<u>Simple interest:</u>

FV= (PV*i*n) + PV

FV= (8,500*0.00208*360) + 8,500

FV= $14,864.8

<u>Compounded interest:</u>

FV= PV*(1+i)^n

FV= 8,500*(1.00208^360)

FV= $17,958.95

Difference= $3,090.15

6 0
2 years ago
Thomas invested $1498.00 at 6% simple interest per annum calculate How long it will be before his investment earns $449.40
valentinak56 [21]

Answer:

t = 6 years

Step-by-step explanation:

Use the simple interest formula:  i = prt, where p is the principal, r is the interest rate as a decimal fraction, and is the elapsed time, in years.

Here we want to know how long it will take for the interest alone to reach $449.40.  We first solve i = prt for t, obtaining t = i/(pr).

Here, the length of time is t = ($449.40) / (0.06*$1498.00).  This works out to

t = 5.9947, or approximately 6 years.

t = 6 years

8 0
3 years ago
Part A
Vika [28.1K]
I think the answer is 36π square inches, hope that help MLG  M8
6 0
3 years ago
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