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svp [43]
3 years ago
11

Write an equation and solve:

Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

Answer:

equation ---> 120+10(m)=150+4(m)

m= number of months

(By the way the answer would be 5 months)

Step-by-step explanation:


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The sum of two numbers is 12 and their difference is 20. What is the smaller number?
zhannawk [14.2K]

Answer:

16 and -4

Step-by-step explanation:

Let the 2 numbers be x and y with x > y

x+y=12

x-y=20

Adding the 2 equations, term by term on both sides, will eliminate y leaving an equation in x that we can solve

(x+x)+(-y+y)=(12+20)

2x=32

x=16

16+y=12

y=-4

16+-4=12

12=12

16--4=20

20=20

3 0
3 years ago
I would like to know the sum of a number and 4
ycow [4]

Answer:

x + 4

Step-by-step explanation:

whatever the number is goes into x and add that with 4 and you get your sum

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If the root of x2-7x+k=0, m=1, find the value of the constant k
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Answer:

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Step-by-step explanation:

4 0
3 years ago
Mm... help please. I need to finish this homework, and I'll give brainliest since I'm numb.
Paladinen [302]

Answer:

I think graph represent x>2. or (2,infinity)

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Can someone help me solve this please! I need to find what N equals!
Flura [38]
[ (12 - n)/7 ] = -1

12- n = -7

-n = -19

n = 19
6 0
3 years ago
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