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Irina18 [472]
3 years ago
12

18 × 5 × 10 × 9 × 7

Mathematics
2 answers:
adoni [48]3 years ago
5 0
18 x 5=90
90 x 10=900
900 x 9=8100
8100 x 7=56,700
Hopefully this makes sense.
otez555 [7]3 years ago
4 0
18×5×10×9×7 IS 56,700
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She has 7 initiatives and wants to put 2 stickers on each. She has 10 stickers. How many more stickers does she need?
Zina [86]

Answer:

4

Step-by-step explanation:

If she wants to put 2 on each invitation, then we multiply the amount of invitations she has by the amount of stickers going on each invitation. 7 times 2 is 14.

She has 10 stickers, and she needs 14 in total, so we subtract 10 from 14 and we get 4.

In conclusion, the girl needs 4 sticks more

8 0
3 years ago
A certain sum quadruples in 3 years at compound interest, interest being compounded annually. In how many years will it become 6
Alex777 [14]

<u>ANSWER:  </u>

In 9 years, amount becomes 64 times of itself.

<u>SOLUTION: </u>

Given, a certain sum quadruples in 3 years at compound interest, interest being compounded annually.  

We know that, When interest is compound annually:

\text { Amount }=P\left(1+\frac{R}{100}\right)^{n}

Given that,

Principal = Rs.100%

Amount = Rs.400

Rate = r%

Time = 3 years

By substituting the values in above formula, we get,

400=100 \times\left[1+\left(\frac{R}{100}\right)\right]^{3}

4=1\left[1+\left(\frac{R}{100}\right)\right]}^{3} --- eqn 1

If sum become 64 times in the time n years then,

64=\left(1+\left(\frac{R}{100}\right)\right)^n

4^{3}=\left(1+\left(\frac{R}{100}\right)\right)^{n} --- eqn 2

Using equation (1) in (2), we get

\begin{array}{c}{\left(\left[1+\left(\frac{R}{100}\right)\right]^{3}=\left(1+\left(\frac{R}{100}\right)\right)^{2}\right.} \\ {\left[1+\left(\frac{R}{100}\right)\right]^{9}=\left(1+\left(\frac{R}{100}\right)\right)^{n}}\end{array}

Thus, n = 9 years by comparing on both sides.

Hence, in 9 years, amount becomes 64 times of itself.

5 0
3 years ago
Four-fifths of a number<br> decreased by eight is four.<br> Find the number.
Norma-Jean [14]
4/5x-8 = 4
4/5x = 12
X = 15
8 0
3 years ago
Read 2 more answers
Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SIZIF [17.4K]
C = 4M + 5
4M = C - 5
  M = (C - 5)/4

answer is D. Last one.
6 0
3 years ago
What is the answer??
Svetradugi [14.3K]

Answer:

32.

Step-by-step explanation:

I accidentally put my age too high. Im only in middle school but 32 could be one answer. If two sides are the same then it could be an isoceles triangle or whatever.

6 0
2 years ago
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