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nasty-shy [4]
3 years ago
6

you are in a room with other students and are asked to get in groups of 3. when finished, there are 21 groups of 3. how many stu

dents are in the room?
Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
5 0
63 because you multiply the numbers
Nataliya [291]3 years ago
4 0

Answer:

63

Step-by-step explanation:

Total groups: 21

number of students in each group: 3

total = 21 *3 =63

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3 quarts but in cups
Sedaia [141]

Answer:

12 cups

Step-by-step explanation:

there are 4 cups in 1 quart.  You multiply both of them by 3 so there are 12 cups in 3 quarts

8 0
3 years ago
Read 2 more answers
9. Use the​ compound-interest formula to find the account balance​ A, where P is​ principal, r is interest​ rate, n is number of
IceJOKER [234]

Interest on interest, or compound interest, is the adding of interest to the principal sum of a loan or deposit. The account balance after a period of 5 years will be $1.63634×10²⁰.

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

Interest on interest, or compound interest, is the adding of interest to the principal sum of a loan or deposit. It's the outcome of reinvesting interest rather than paying it out so that interest is received on the principal plus previously collected interest in the next quarter.

A = P(1 + \frac{r}{n})^{nt}

A = final amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

Given the principal amount is $12,385, the rate of interest is 7.5%, and the time period is daily. Therefore, the amount can be written as,

A = P(1 + \frac{r}{n})^{nt}\\\\A = \$12,385(1 + \frac{7.5}{365})^{(365 \times 5)}\\\\A = \$1.63634 \times 10^{20}

Hence, the account balance after a period of 5 years will be $1.63634×10²⁰.

Learn more about Compound Interest:

brainly.com/question/25857212

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5 0
2 years ago
Which numbers should be multiplied to obtain 175^2 − 124^22?
agasfer [191]
This question seems to me to be an exercise in applying the rule for a difference of squares in order to rewrite the difference of two relatively large numbers as the "simpler" product of other integers.


175^2-124^2=(175-124)(175+124)=51\cdot299=15,249
3 0
3 years ago
2x+y=10x-4y i dont know
Basile [38]

Step-by-step explanation:

2x-10x= -4y-y

-8x= -5y

cancel (-) on both sides we get

8x=4y

7 0
3 years ago
Read 2 more answers
Solve each equation.<br> 6x2 + 1 = 13
ahrayia [7]
40,681.
40,681. 40,681.
40,681.
8 0
3 years ago
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