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Vaselesa [24]
3 years ago
8

Help!!! Which one no need to explain!

Mathematics
1 answer:
azamat3 years ago
5 0

Answer: A add the equations and C: Subtract the bottom equation from the top equation.

Step-by-step explanation: By adding the equations, you are left with

12x=8 which successfully eliminates the y values and subracting the bottom equation from the top equation.

Hope this helps!  :)

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Quick algebra 1 question for 50 points!
Mumz [18]

Answer:

y is equal to 24

Step-by-step explanation:

If y is directly proportional to x when x is equal to 5 and y is 12, then when you multiply 5 by 2 which is 10, y will be proportional to that when you multiply 12 by 2 which is 24

7 0
2 years ago
Read 2 more answers
What is x squared minus 18x equal to negative 32
lisabon 2012 [21]

Answer:

x=16

x=2

Step-by-step explanation:

x^2-18x=-32\\x^2-18x+32=0\\(x-16)(x-2)=0\\\\x-16=0\\x=16\\\\x-2=0\\x=2

8 0
2 years ago
2x + 8y = 6<br> 5x + 20y = 15<br><br> I there a solution , no solution , or many solution ?
WARRIOR [948]

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1 solution

Step-by-step explanation:

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4 0
2 years ago
Which choice represents the expanded form of the expression (x- 2)3
Murljashka [212]

Answer:

(x−2)^3=x^3−6x^2+12x-8

Step-by-step explanation:

if you are talking about the binomial  (x−2)^3   you must expand then simplify. (x-2)3 you would just remove the parenthesizes and multiply -2 with 3 to get x-6 but I think you meant (x-2)^3


4 0
2 years ago
I’ll give brainliest
diamong [38]

Answer:

A=115.6

Step-by-step explanation:

Hey There!

So the first step is to find the formula for area of a trapezoid

A = \frac{1}{2} h(b1 +b2)

h = height

b1 = base 1

b2 = base 2

now all we do its plug in the values

A=\frac{1}{2} 6.8(28.3+5.7)

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Hope this helps!!

3 0
2 years ago
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