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Blizzard [7]
3 years ago
10

Explain how you can write an equation for a line with a slope of 1/2 that crosses the y-axis that crosses the point (0,-1)

Mathematics
1 answer:
strojnjashka [21]3 years ago
5 0

Answer:

x 1/2 -1

Step-by-step explanation:

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Simplify this expression.
frozen [14]

Answer:

2x + 12

Step-by-step explanation:

2(10)+2(x+4)

distribute the 2

20 + 2x - 8

add/ subtract like terms

2x + 12

6 0
3 years ago
Read 2 more answers
Solve for x.<br> Sqrt8 (Sqrt2 - x) = 11
Alexus [3.1K]

Answer:\frac{-7\sqrt{2} }{4}

Step-by-step explanation:

So first, let's get rid of the parentheses. We can multiply it out to get \sqrt{16}-x\sqrt{8} =11. We know that the square root of 16 is ±4, so now our equation is ±4 - x\sqrt{8}=11. I'm guessing since the problem only has one solution it's most likely only positive 4, so let's revise our equation to 4 - x\sqrt{8}=11. We can use inverse operations to make the a little easier to solve: -7= x\sqrt{8}. We divide both sides by \sqrt{8} to get \frac{-7}{\sqrt{8} } =x, which we can rationalize (remove the square root from the denominator so that it's a proper answer) by multiplying by \frac{\sqrt{8} }{\sqrt{8} } (which is equal to one so we can use it) which is equal to \frac{-7\sqrt{8} }{8}. Let's finish this by simplifying it. \sqrt{8} =2\sqrt{2} (2x2^{2}). We can simplify it further by simplifying the 2, making it \frac{-7\sqrt{2} }{4}.

Hope this wasn't too confusing! I'll answer any questions.

8 0
2 years ago
Read 2 more answers
DUE ASAP AT 10:30 5 ( x - 1 ) = 28 - 6x<br> A 3<br> B 7<br> C 10<br> D -7
Nostrana [21]

Answer:

4

Step-by-step explanation:

3 0
2 years ago
5x+5=1/2x-4 , what is x
melomori [17]

The answer is x = -2. The steps are in the image below.

Hope this helps!!!!!!!!

Please give me brainliest!!!!!!!!!!!

8 0
2 years ago
Read 2 more answers
5a – 10b = 45, when b = 3
balandron [24]


Well, since you have the value of b, the first thing you want to do is substitute that value in for b.

5a - 10(3) = 45

10*3 = 30

5a - 30 = 45

Now, to get the variable by itself (a) you have to + 30 because you have to reverse the subtraction.

5a = 75

Now, you divide by 5 to finish getting a by itself.

a = 15

Hope this helps!

6 0
3 years ago
Read 2 more answers
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