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Alinara [238K]
3 years ago
12

I need to know how to solve this equations

Mathematics
1 answer:
Vlad [161]3 years ago
3 0
The answer is x=12 hope it helps
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What would be 30 +40
Nataliya [291]

Answer:

70

Step-by-step explanation:

30 + 40 = 70

7 0
3 years ago
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What is the answer to y-2x=2
OleMash [197]
Y - 2x = 2 ....put in y = mx + b form
y = 2x + 2

In y = mx + b form, the slope will be in the m position and the y intercept will be in the b position.

y = 2x + 2.....so we have a slope(m) of 2, and a y int (b) = (0,2)

the x intercept can be found by subbing in 0 for y and solving for x
0 = 2x + 2
-2x = 2
x = -2/2
x = -1......so the x int is (-1,0)

go ahead and plot ur intercepts....(-1,0) and (0,2)......and since ur slope is 2, start at (-1,0) and go up 2 spaces and to the right 1 space, then up 2 and to the right 1........thats ur line and it crosses the y axis at (0,2)


7 0
3 years ago
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Passes through (-1, 4) and m=4
ladessa [460]

Answer:

Step-by-step explanation:

m = 4

y -y_{1}=m(x -x_{1})\\\\y - 4 = 4(x -[-1])\\\\y - 4 = 4(x + 1)\\\\y -5= 4x + 4\\\\y = 4x + 4 + 5\\y = 4x + 9

7 0
2 years ago
A bag contains 5 blue marbles, 2 black marbles, and 3 red marbles. A marble is randomly drawn from the bag.
frosja888 [35]

Answer:

Question 1:  4/5 or %80

Question 2:  7/10 or %70

Step-by-step explanation:

<u>Step 1:  Find the total amount of marbles</u>

5 + 2 + 3

<em>10</em>

<em />

<u>Step 2:  Find the probability of not drawing a black marble</u>

Add the total amount of marbles that are not black

5 + 3

<em>8</em>

<em />

Now find the probability:  

8/10

4/5 or %80

Answer:  4/5 or %80

<u>Step 3:  Find the probability of not drawing a red marble</u>

Add the total amount of marbles that are not red

5 + 2

<em>7</em>

<em />

Now find the probability:

7/10 or %70

Answer:  7/10 or %70

3 0
3 years ago
Please help me out!!!!!!!! :)
ozzi

Answer:I think it is 73 degrees


Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
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