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Sever21 [200]
11 months ago
8

Which equation represents the line that passes through points B and C on the graph? 2 4 3 B 3 4 5 ภา

Mathematics
1 answer:
777dan777 [17]11 months ago
3 0

The point B has coordinates (-4,2) and C has coordinates (-2,-2). We are going to calculate the slope of the line

m=\frac{y2-y1}{x2-x1}=\frac{-2-2}{-2-(-4)}=-2

Then, we are going to calculate the intercept using the slope m=-2 and the point (-4,2).

y=mx+b

2 = -2*(-4)+b

Isolating b we get

2-8=b= -6

The equation would be

y=-2x-6, option A

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7.25h + 5 = 6.5h + 10.25
nataly862011 [7]

Ok so I think what you need to be solved is to find h? So I am gonna do that

To find h the first thing you need to do is get the variable h all on one side. So subtract 6.5h from the right side and subtract 5 from the left side. It will then look like this:

0.75h = 5.25

Now you need to isolate the variable so you must divide both side by 0.75 to get h by itself. This should now look like:

h = 7

So now you know that h is equal to 7

You can always check to see if the answer is correct by plugging in 7 for h on both sides and seeing if they equal the same amount.

Hope this helps :)

6 0
3 years ago
Read 2 more answers
Yasmin swims at a constant rate of 2 km/h for 2.5 h. How far does Yasmin swim? 4.5 km 5 km 6 km 6.5 km
Neporo4naja [7]
She swims for 2.5 hours at a rate of 2 km/hr
Multiply 2.5 * 2 = 5 km
3 0
2 years ago
Are these similar triangles
Natasha_Volkova [10]
No from D to F the line is slanted which throws off both triangles but that does not make the the same
6 0
3 years ago
ABCD is a parallelogram. Find the values of x and y. Solve for the value of z, if z=x−y.
slava [35]

Answer:

C

Step-by-step explanation:

Parallel and opposite sides of a parallelogram are equal. Hence, we can say:

x + 30 = 2x - 10

and

2y-10 = y +10

Solving first one, we get:

x + 30 = 2x - 10

30+10 = x

x = 40

Also

2y - 10 = y + 10

y = 10 + 10

y = 20

Now, z = x - y, so

z = 40 - 20 = 20

Answer C is right.

3 0
3 years ago
What is the following shows the factors of 5x^2+17x+6
ElenaW [278]

<span><span>(5x+2)</span><span>(x+3)</span></span>

Explanation:

Find factors of <span>5and 6</span> whose products ADD to 17

It might take a bit of trial and error to find the correct combination of factors.

<span><span>........</span>5 and 6</span>
<span><span>.......</span>↓ ↓</span>
<span><span>........</span>5 2 →1×2=2</span>
<span><span>........</span>1 3 →5×3=<span>15<span>−−</span></span></span>
<span><span>...............................................</span><span>17</span></span>

6 0
3 years ago
Read 2 more answers
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