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salantis [7]
2 years ago
12

(-8) + (-10) _(-12) =

Mathematics
1 answer:
kirill115 [55]2 years ago
7 0

Answer:

-30

2

144

675

0

Step-by-step explanation:

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What’s the answer of the equation:<br><br> 104mn + (-84mn) =36
inn [45]

Answer:

1\frac{4}{5}mn

Step-by-step explanation:

104mn - 84mn = 36 \\  \\ 20mn = 36 \\  \\ 1\frac{4}{5}mn

This what you can do unless you are solving for either variable.

I am joyous to assist you anytime.

8 0
2 years ago
Jaina and Tomas compare their compound interest accounts to see how much they will have in the accounts after three years. They
stellarik [79]

Formula for compound interest is

Interest = Amount - Principal

Interest = P(1+r)^{t} - P

Where r = rate in percent

t = time in years

For Jaina,

P = $300

r= 7%

t = 3 yrs

So, Interest = 300(1+0.07)^{3} - 300

For Tomas

P = $400

r= 4%

t = 3 yrs

So, Interest = 400(1+0.04)^{3} - 400

So pair of equations for Jaina and Tomas are

Interest = 300(1+0.07)^{3} - 300

Interest = 400(1+0.04)^{3} - 400

5 0
3 years ago
Read 2 more answers
What would the answer to this question be?<br> A. 40°<br> B. 60°<br> C. 80°<br> D. 100°
Alex777 [14]

Answer:

D. 100°

Step-by-step explanation:

A straight line is 180°. Add 50° and 30° (which is 80°) and subtract the total from 180°.

50 + 30 = 80

180 - 80 = 100

8 0
3 years ago
Read 2 more answers
Can someone solve 2x-3y=9 and give me the slope and y intercept SHOW WORK please
Dominik [7]

Answer:

The slope is 2/3 and the y-intercept is -3

Step-by-step explanation:

First you subtract 2/3 from both sides and get -3y=-2x+9. Then you divide -3 by -2 and -3 by 9 to get y=2/3-3.

Hope this helped I am not good at explaining but I did this unit like two months ago.

4 0
2 years ago
2.) Determine the sale price to the nearest cent<br> $39.00 jeans<br> 40% off
Sonbull [250]
Ok ok so I saw that someone else had given you an answer but I thought it might be best if you got an explanation to go with it.

Basically to know what your final price is you need to know what percentages represent.
Since they are simply parts of a whole (because you know 100% of something is a whole) we can look them as fractions like 40/100 in this case.

Then we can multiply 39.00 by 40/100 or 0.40 in decimal form and get 15.60.

It’’s important to remember that this 15.60 is just what 40%of 39 is so we still need to subtract it from our total to get the sales price.

39-15.60=23.40

So $23.40 is the sales price

Hope this helps!
7 0
1 year ago
Read 2 more answers
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