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V125BC [204]
3 years ago
15

I need help with math!!! time is running out!!! will mark brainliest!!!

Mathematics
1 answer:
igomit [66]3 years ago
5 0
Correct answer is B. (graph in the first quadrant).
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The equations of the line is y=17.63x+27.52. What is the best interpretation of the slope of the line?
nevsk [136]

Answer:

slope=17.63

Step-by-step explanation:

the eq. of line in slope intercept form is y=mx+c

where m is the slope and c is y intercept.

comparing

m=17.63

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3 years ago
Solve the equation <img src="https://tex.z-dn.net/?f=8x%5E2%3D-36" id="TexFormula1" title="8x^2=-36" alt="8x^2=-36" align="absmi
chubhunter [2.5K]

Answer: 4(2x²+9) or i\frac{3\sqrt{2} }{2}

Step-by-step explanation:

To solve the equation by factoring, we want to set the equation to zero. In order to have the equation equal to zero, we want to add both sides by 36.

8x²=-36            [add both sides by 36]

8x²+36=0

When it comes to factoring, we want to pull out numbers or variables that are common in each term.

8x²+36=0         [take out a 4 in each term]

4(2x²+9)=0

It may seem that 2x²+9 can be factored further, it actually can't. This tells us that the factored form of the equation is 4(2x²+9)=0.

To solve the equation, we want to find the value of x. We already know the graph does not cross the x-axis because the y-intercept or vertex is (0,9).

4(2x²+9)=0       [divide both sides by 4]

2x²+9=0            [subtract both sides by 9]

2x²=-9               [divide both sides by 2]

x²=-9/2              [square root both sides]

x=\sqrt{-\frac{9}{2} } or x=i\frac{3\sqrt{2} }{2}

6 0
3 years ago
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Erica brought three and a half yards of fabric if she uses two thirds of it how much will she have left
Alecsey [184]
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<span>7/2 - (2/3)(7/2) = </span>

<span>7/2 - 7/3 = </span>

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Which number is an irrational number? A. B. C. D.
Ivahew [28]
There’s nothing so let’s just go with C
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