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leonid [27]
2 years ago
10

-6.4x + 3.5y = 7? what is the slope

Mathematics
1 answer:
DochEvi [55]2 years ago
7 0

6.4/3.5, OR about 1.83

First job is to isolate the y.

3.5y=6.4x+7

Now divide both sides by 3.5 to get the equation into y=mx+b form.

That leaves a rounded equation of y=1.83x+2

In y=mx+b, the m is the slope. This means the slope of this line is 1.83, or 6.4/3.5

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What does x equal???????? please help
Sholpan [36]
<h3>Answer: x = 61</h3>

=============================================

Explanation:

The angle x and the 29 degree angle combine to form a 90 degree angle. This is because the square maker on the left has that angle at 90 degrees, and all of the angles combine to form 180. So 180-90 = 90 is the left over amount.

Add up x and 29 to get 90

x+29 = 90

Solve for x by subtracting 29 from both sides

x+29-29 = 90-29

x+0 = 61

x = 61

--------------

An alternative is to solve the equation below for x

x+29+90 = 180 ... see note below

x+119 = 180

x+119-119 = 180-119 ... subtract 119 from both sides

x = 61

we get the same answer

note: this equation turns into x+29 = 90 if you subtracted 90 from both sides

7 0
3 years ago
Please answer the question. The picture is right below.
zhenek [66]
Hey man I’ve never seen nothing like this but I’d you’re doing math on ap classroom , man , GOOD LUCK
5 0
3 years ago
If p(x)=2x^3+cx^2+16x+84 and x+2 is a factor of p(x),find the value of c.
Nuetrik [128]

Answer:

c = -9

Step-by-step explanation:

Knowing that -2 is a root, you can do the synthetic division with an unknown value for c. Then solve for the value of c that makes the remainder be zero. See the attachment for the work.

The second attachment shows that (x+2) is a factor of the resulting cubic.

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3 years ago
Please!!!! HELP ME!! I give brainlyest!!! are u my friend? The table below models the cost, y, of using a high-efficiency washin
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Answer:

y= 25x+500

y=30x+400

20

standard machine

Step-by-step explanation:

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5 0
3 years ago
Which expression has the fewest number of significant figures
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Answer:

18.3

18.3 only has three significant figures while the other numbers have more

5 0
3 years ago
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