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balandron [24]
3 years ago
7

2(v-1) + 8 = 6(2v -4) Choose statement that solves the solution

Mathematics
1 answer:
Murljashka [212]3 years ago
5 0

Answer:

V=3

Step-by-step explanation:

2(v-1)+8=6(2v-4)

2V-2+8=12v-24(calculate)

2v+6=12v-24(move terms)

2v-12v=-24-6(collect like terms)

-10v=-30(devide both sides by-10)

V=3

hi I hope this helps.

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Find one value of xxx that is a solution to the equation:
alisha [4.7K]

Answer:

-3/2

Step-by-step explanation:

Given the funtion

(2x+3)² - 6x+9 = 0

(2x+3)² = 6x + 9

Expand

4x²+12x+9 = 6x + 9

4x²+12x - 6x = 0

4x²+6x = 0

4x² = -6x

4x = -6

x = -6/4

x = -3/2

Hence the value of x is -3/2

4 0
3 years ago
If a = 3 what is the value of b in the equation 2a+b=13? And can you explain?
sladkih [1.3K]

Answer:

b=7

Step-by-step explanation:

Plug 3 into a since a=3.

2(3)+b=13

Then solve for 2(3)

6+b=13

Now isolate the b, so move the 6 to the other side. (Basically subtract 6 from both sides)

b=13-6

b=7

8 0
4 years ago
Read 2 more answers
What is the area of the circle if XY = 5.4 mm? 5.4π mm2 7.29π mm2 10.8π mm2 14.58π mm2
Dafna1 [17]

Answer: 7.29π mm²

Step-by-step explanation:

First, I am assuming XY is the diameter of the circle :)

The formula for the area of a circle is πr² (r = radius)

So that means we need to divide the diameter by 2 to find the radius

5.4 / 2 = 2.7

Now we simply plug in our numbers!

3.14 · 2.7²

3.14 · 7.29

And that's it!

Hope this helped you :)

3 0
4 years ago
What is the smaller number -1, 3, 7, 9, or 11.
Vsevolod [243]

Hey there!

<h2>ANSWER: -1</h2><h2>EXPLANATION:</h2>

\text{What is the smallest number?: -1,3,7,9,11}

All numbers are positive except -1. If a number is negative, then that negative number will be less than a positive. All are positive and -1 is negative. Since that's the only negative, -1 is the smallest number.

-1\text{ is the smallest number.}

Hope this helps!

\text{Please rate this answer, or mark brainliest, and don't forget to thank!}\\\text{-TestedHyperr}

6 0
3 years ago
How do you do systems of two equations? Problem: y=-3x+4, y=3x-2
juin [17]
I assume you are trying to solve for each variable. if thats the case you want to use one equation to solve for y and then plug the y value into the next variable
Problem: y =-3x=4 so -3x+4=3x-2
x=1
plug x value into one of the equations 
y=3(1)-2
y=1
8 0
3 years ago
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