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Kipish [7]
3 years ago
14

I will literally give you my life if you. help me with these integer questions-

Mathematics
2 answers:
Sphinxa [80]3 years ago
8 0

Answer:

10. 23

11. -17

12. 0

13. -4

14. -6

15. 4

Explanation:

10. 8+15= 23

11. -8-9= -17

12. 8-8= 0

13. -8+4= -4 (same as 4-8)

14. -10+4= -6 (same as 4-10)

15. 12-8= 4

Wewaii [24]3 years ago
5 0
Hahahha and ndnd cnfnfnfnc
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Cindy plans to shop for her school supplies and wants to know how much money she would need to spend. from her friend she knows
vlabodo [156]

Let the cost of 1 notebook be x and the cost of 1 binder be y.

4 notebooks and 3 binders would cost 23.5

Therefore, 4x + 3y = 23.5     (1)

7 notebooks and 6 binders would cost 44.5

Therefore, 7x + 6y = 44.5     (2)

Multiply the first equation by 2.

8x + 6y = 47     (3)

(3) - (2) gives

x = 2.5

Substitute the value of x in (1), we get,

4(2.5) + 3y = 23.5

10 + 3y = 23.5

3y = 23.5 - 10

3y = 13.5

y = 13.5/3

y = 4.5

Hence, cost of 5 notebooks and 3 binders is:

5x + 3y = 5(2.5) + 3(4.5)

           = 12.5 + 13.5

           = 26

Hence, cost of 5 notebooks and 3 binders is $26.

4 0
3 years ago
What is the sale price to the nearest cent? $239 television; 10% discount
miv72 [106K]

Answer:

The sale price will be:  $215.10

Step-by-step explanation:

We know that:

Sale price = Regular price × (100% - Discount %)

                 = Regular price × (100% - 10%)

                 = 239 × 90%

                 = 239 × 0.9

                 = 215. 10 $

Therefore, the sale price will be:  $215. 10        

3 0
3 years ago
Tracy's gross pay is $748.25. Her deductions amount to $234.56. What is
Romashka-Z-Leto [24]

Answer:

513.69

Step-by-step explanation:

^^^^

Subtract 748.25 by 234.56 and you get

5 0
3 years ago
If there are 205 students in the school, which is the best estimate of the number of students that are in the 5th grade?
Mila [183]

Answer:

34 people

Step-by-step explanation:

8 0
3 years ago
Sarah made $180 for 12 hours of work. At the same rate, how much would he make for 17 hours of work?
lisabon 2012 [21]

Answer:

1260

Step-by-step explanation:

180 x 2

8 0
3 years ago
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