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german
2 years ago
14

What is the difference of 31 - (-9) =

Mathematics
1 answer:
Licemer1 [7]2 years ago
5 0

Answer:

40

Step-by-step explanation:

31 + 9=40

cause u need to change the negative into positve and change the minus into plus

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Need the answer please will give brainliest
butalik [34]

Answer:

B.move to the left 4 units then up 7 units.

5 0
2 years ago
If you add Natalie’s age and Fred’s age, the result is 41. If you add Fred’s age to 3 times Natalie’s age, the result is 67. Fin
JulsSmile [24]

Answer:

Natalie is 13 years old, while Fred is 28 years old.

Step-by-step explanation:

Given that if you add Natalie’s age and Fred’s age, the result is 41, and if you add Fred’s age to 3 times Natalie’s age, the result is 67, to find how old Fred and Natalie are, the following calculation must be performed:

N + F = 41

3N + F = 67

(67 - 41) / 2 = N

26/2 = N

13 = N

13 x 3 + F = 67

39 + F = 67

F = 67 - 39

F = 28

28 + 13 = 41

Therefore, Natalie is 13 years old, while Fred is 28 years old.

4 0
2 years ago
Jenna got 12, or 3/5, of her answers on the test right. How many questions were on the test?
aniked [119]

Answer:

20

Step-by-step explanation:

12 times 5/3 =60/3=20

6 0
3 years ago
Find the mean.<br> 3,4<br> Helpop
Elena L [17]

Answer:

3:4 i think

Step-by-step explanation:

3 4 is the answer

8 0
2 years ago
Expanded form for 48,243. (
Dima020 [189]
(4*10,000)+(8*1,000)+(2*100)+(4*10)+(3*1)

40,000+8,000+200+40+3=48,243

That is one way. You can also do this using exponential form!

Hope that helps

4 0
3 years ago
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