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xxMikexx [17]
3 years ago
15

Which sums are equal to -8 + 17? Select all that apply

Mathematics
2 answers:
Andreas93 [3]3 years ago
8 0

Answer: b and c

Step-by-step explanation:

-8+17= 9

a. -(8+17)= -25

b. 17+(-8)= 9

c. -8+8+9= 9

d. 8+(-17)= -9

e. -8+(-17)= -25

hope this helps!

saw5 [17]3 years ago
6 0

Answer:

B and C

Step-by-step explanation:

A = -25

B = 9

C = 9

D = -9

E = -25

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A middle school with 375 students has 125 students in the eighth grade. Irene says that the eighth-grade class makes up of the s
koban [17]

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Step-by-step explanation:

8 0
3 years ago
How many pennies could you have if: When you Break de Pennies into groups of 2, you have 1 penny left over, AND when you break t
MariettaO [177]

Answer:

The answer is 31 pennies

Step-by-step explanation:

we have to find a number that gives a remainder of 1 when divided by both 2, 3 and 5.

The easiest way to do this is to list the factors of 5, add 1 to it, and test them until we find the one with a remainder of 1 by all three divisors. This is done as follows:

1) factor: 5 (+1) = 6

6 ÷ 2 = 3 remainder 0

6 ÷ 3 = 2 remainder 0

since there is a remainder of 0, when divided by 3, 6 is wrong

2) factor; 10 (+1) = 11

11 ÷ 3 = 3 remainder 2 ( 11 is not the correct answer

3) factor : 15 (+1) = 16

16 ÷ 2 = 8 remainder 0 ( 16 is  not the correct answer

4) factor : 20(+1) = 21

21 ÷ 3 = 7 remainder 0 ( 21 is wrong)

5) factor : 25(+1) = 26

26 ÷ 2 = 13 remainder 0 ( 26 is wrong)

6) factor : 30(+1) = 31

31 ÷ 2 = 15 Remainder 1

31 ÷ 3 = 10 Remainder 1

31 ÷ 5 = 6 Remainder 1

since all three divisors give a remainder of 1, the correct answer is 31

Therefore you have 31 pwnnies

6 0
3 years ago
(5x + 7)(5x – 7)<br> Foil method
Pavlova-9 [17]

Answer:

25x-49

Step-by-step explanation:

5x×5x=25x 5x×-7= -35x

7×5x=35x 7×-7=-49

(combine like terms)25x+-35x+35x= 25

hope that helped you!

6 0
3 years ago
F(x)=-x^2+6x+4<br><br>f(x)=−x <br><br>2<br><br> +6x+4
snow_lady [41]

Answer:

x = 3 - 2 (3)

Step-by-step explanation:

.

8 0
2 years ago
How many pounds are in 9 kilograms?
Ray Of Light [21]

The answer is 20 pounds

3 0
3 years ago
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