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Bezzdna [24]
2 years ago
9

If you know the answer your a genius at math^

Mathematics
1 answer:
nirvana33 [79]2 years ago
4 0

Answer: I think its B

Step-by-step explanation: hoped this helped :)

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Helpppp helppp helppp​
worty [1.4K]

Answer:

a=2.4

b=13.9

c= -8.1

Step-by-step explanation:

a= 3-0.6= 2.4

b= 12.5-(-1.4)= 13.9

c= -5.2-2.9= -8.1

8 0
3 years ago
4−32⋅(−0.25)−12÷13, what's the answer?
vampirchik [111]
The answer is 144 over 13
8 0
2 years ago
Read 2 more answers
Factor the expression below.
Sonbull [250]

Answer:

(3x -1) (3x+1)

Step-by-step explanation:

9x^2 - 1

Rewriting

(3x)^2 -1^2

This is the difference of squares a^2 -b^2 = (a+b) (a-b)

(3x -1) (3x+1)

3 0
3 years ago
Read 2 more answers
Find the percent of the number. <br> 522% of 85
Ber [7]
If you would like to calculate 522% of 85, you can do this using the following steps:

522% of 85 = 522% * 85 = 522/100 * 85 = 443.7

The correct result would be 443.7.
6 0
3 years ago
Read 2 more answers
Jane works twice as fast as her daughter Anna. If it takes 15 minutes to clean the kitchen together, how long would it take Anna
Sonbull [250]
Here, Twice fast means, she takes half time in doing same amount of work.
Let, Anna takes = 2t & Jane takes = t

It would be: 1/t + 1/2t = 1/15
2t + t / 2t² = 1/15
15(3t) = 2t²
2t² = 45t
Divide both sides by t, 
2t = 45
t = 45/2
t = 22.5
& 2t = 22.5(2) = 45

In short, Anna would take 45  minutes

Hope this helps!
7 0
3 years ago
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