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8_murik_8 [283]
3 years ago
12

A backpack normally costs 25 dollars but it is on sale for 21 dollars. What percentage is the discount?

Mathematics
1 answer:
Fofino [41]3 years ago
5 0

The packpack is 84% off.

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Need help with question 9
Lorico [155]

Hey!

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Solution:

I would assume that the iron intake is combined between breakfast and lunch. So 8.25mg is too meals worth of iron. So all we have to do is subtract.

15 - 8.25 = 6.75

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Answer:

6.75mg are still needed for his daily intake.

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Hope This Helped! Good Luck!

8 0
3 years ago
Simplify (5x^3 - 7x^2 + 3x - 4) - (8x^3 + 2x^2 + 3x - 7)
muminat

Answer:

-3x^4 - 14x^3 + 3x^2 - 10

Step-by-step explanation:

6 0
3 years ago
Principal = $8100; rate = 17%; time = 7 years What is the amount of interest earned?
miskamm [114]
<span>it must be nnnnnnnnnnnnnnnnnnnnnnnnn
4.37%

</span>
4 0
2 years ago
1. List the domain and range of the relation
Naddik [55]

Answer:

Domain: {(7, 9, 0)}

Range: {(-2, 9, 11, 2)}

3 0
3 years ago
IF YOU ANSWER ALL OF THESE I WILL MARK YOU BRAINLIEST
hjlf
1).  $2,700 is  (2,700/6,000) = 45% of  6,000.

      It took 6 years to earn it, so it earned (45%/6) = 7.5% each year.
      That's the simple-interest rate.
_________________________________

2).  The investment earns 4.5% each year, so it earned 9% in 2 years.

      The $1,150.65 is the 9% of the original investment.  Call it V.

      1150.65 = 0.09 x V .

Divide each side by 0.09 :

         V  =  1150.65 / 0.09  =  $12,785 .
____________________________________

3).  There are 18 marbles in the bag all together.

a).  8 of them are green.  If you close your eyes and pull out 1 marble,
the probability that it's a green one is
                                                               8/18 = 4/9  =  44.4% .

b).  If it was a red marble, and you put it in your pocket, then
there are only 17 in the bag now, and 8 of them are still green.

If you pull another one, the probability that it's green is

                                                               8/17  =  47.1% .
____________________________________

5).  There are 10 marbles in the bag all together.
(The second sentence doesn't say anything, and doesn't mean anything.)

If you pull out a silver marble and put it in your pocket, then
there are 9 marbles in the bag, and 2 of them are orange.

The probability of pulling an orange marble now is

                                  2/9  =  22.2% .
5 0
3 years ago
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