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sergejj [24]
3 years ago
10

Hollie increased the rate that she can solve multiplication problems by 70%. If she could originally solve 20 problems in a minu

te, how many can she solve in a minute now? (HOW DID YOU GET YOUR ANSWER PLEASE SHOW ME WORK!!)
A. 7.4
B. 34
C. 25.11
D. 10
E. 350%
F. 3.5%
G. 7.6
H. 29
I. 22
Mathematics
1 answer:
netineya [11]3 years ago
7 0
D I think I’m not sure
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Write the repeating decimal 4.1363636 <br><br> need asap
Vilka [71]

Answer:

Answer:4¹⁵/110

Step-by-step explanation:

Take x to be the number

X=4.13636363

Since the repeating numbers are 2 you multiply the number by 100

100x =413.636363

When we minus 413.6363 and 4.136363 we will get a decimal

We multiply the value for x by 1000 we get 4136.3636

And when we minus 4136.3636 by the values of 1x and 100x we will still get a decimal

We multiply the value of x by 10000 we will get 41363.6363 when we divide it by the values of 1x we will get a decimal but when we divide it by the value of 100x we will not get a decimal

Then we minus them

10000×-100×=9900x

41363.6363-413.6363=40950

9900x=40950

Divide both sides by 9900

9900x÷9900=40950÷9900

X=4¹⁵/110

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2 years ago
Write as a single power, then evaluate.<br> (3^3)^4
Mamont248 [21]
So you just have to multiply the power so 3 x 4= 12
3^12
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How to do this question 3•3•5
madreJ [45]

You multiply 3 times 3 which gives you 9. Then you multiply 9 times 5, which gives you 45.

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If Mel opens his refrigerator door about 36 times a day about how many times will it be opened in April?
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It will be opened about 1,080 times in april because there are 30 days in april. All you need to do is multiply 36 x 30 and you get 1,080

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4 years ago
9. Given A = {1, 2, 3, 4, 5, 6, 7, 8, 9} and B = {2, 4, 6, 8}, what is A∪B?
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A union B is the set containing all elements in set A and set B there for A union B is the set {1 2 3 4 5 6 7 8 9}
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