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Deffense [45]
2 years ago
12

8x + 6x - 5x I need help​

Mathematics
2 answers:
attashe74 [19]2 years ago
7 0
The solution is 9X

Like if I am right
uysha [10]2 years ago
3 0

Answer:

I dont get this

Step-by-step explanation:

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A baby girl weighed 18 lb 10 oz at 11 months and 20 lb 2 oz at 12 months. How much weight did the baby gain during this month?
SVEN [57.7K]

Answer:

B

Step-by-step explanation:

6 oz, 19lb

1 lb, 20lb

2 oz, 20lb 2oz

6oz+2oz+1lb= 1lb 8oz

4 0
2 years ago
What is the slope of the line that passes through the points (-2,7) and (2,-5) in simplest form ?
creativ13 [48]

Its m=\dfrac{\Delta y}{\Delta x}=\dfrac{7-(-5)}{-2-2}=\dfrac{12}{-4}=\boxed{-3}.

Hope this helps.

6 0
3 years ago
Ahhhh i need help again.
qwelly [4]

Answer:

B

Step-by-step explanation:

A. these simply to 21 + 7x and 21 + 3x

  • this one is incorrect because the 7x and 3x are different

B. these simplify to 10 + x and 10 + x

  • this is the correct one since they are exactly the same

C. these simplify to 21x and 7x + 21

  • these two are not the same because one expression has only a number with a variable but the other one has a number with a variable <em>and </em>another number

D. these simplify to  \frac{7}{3-x}  and  \frac{7}{x-3}

  • in subtraction, the order of the 3 and the x matters, so the equations are not the same
  • example: 6 - 4 = 2 but 4 - 6 = -2
3 0
2 years ago
The product of two numbers is 40. If one of the numbers is 8/15, what is the other number?
Harman [31]
If one number is 8/15, you take the difference which 7/15.
5 0
2 years ago
What is the inverse variation equation if f(x)=18 when x = 12?
ladessa [460]

Answer:

-1.5

Step-by-step explanation:

7 0
2 years ago
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