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frez [133]
3 years ago
6

What is the slope of the line?​

Mathematics
2 answers:
babunello [35]3 years ago
7 0

Answer:

B

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (0, - 4) and (x₂, y₂ ) = (2, 0) ← 2 points on the line

m = \frac{0-(-4)}{2-0} = \frac{0+4}{2} = \frac{4}{2} = 2 → B

kolbaska11 [484]3 years ago
4 0

Answer:

im not very sure but i think its A or C

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balu736 [363]
(4-4x)(x-3)
4x-12-(4x^2)+12x
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5 0
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Please help me!!!!!!!
pantera1 [17]
The degree is 3.
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3 years ago
The bases of a trapezoid lie on the lines y=2X +7 and y= 2X -5. Write the equation that contains the midsegment of the trapezoid
ryzh [129]

Given:

The bases of a trapezoid lie on the lines

y=2x+7

y=2x-5

To find:

The equation that contains the midsegment of the trapezoid.

Solution:

The slope intercept form of a line is

y=mx+b

Where, m is slope and b is y-intercept.

On comparing y=2x+7 with slope intercept form, we get

m_1=2,b_1=7

On comparing y=2x-5 with slope intercept form, we get

m_2=2,b_2=-5

The slope of parallel lines are equal and midsegment of a trapezoid is parallel to the bases. So, the slope of the bases line and the midsegment line are equal.

m=m_1=m_2=2

The y-intercept of one base is 7 and y-intercept of second base is -5. The y-intercept of the midsegment is equal to the average of y-intersects of the bases.

b=\dfrac{b_1+b_2}{2}

b=\dfrac{7-5}{2}

b=\dfrac{2}{2}

b=1

So, the y-intercept of the required line is 1.

Putting m=2 and b=1 in slope intercept form, we get

y=2x+1

Therefore, the equation of line that contains the midsegment of the trapezoid is y=2x+1.

7 0
2 years ago
Solve for x.<br> 25x-6=24+5x
lianna [129]
25x - 6 = 24 + 5x
First we collect terms
20x = 30
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3 0
3 years ago
Read 2 more answers
Consider the following.y = 5xe?x, y = 0, x = 2; about the y-axis(a) Set up an integral for the volume V of the solid obtained by
Effectus [21]

Answer:

The volume for the solid of revolution is V=\displaystyle 10\pi\int_0^2 x^2e^x\, dx and its value is 401.43623.

Step-by-step explanation:

Since the function is rotating over the y-axis and it is a function in terms of x we can use Shell integration which general formula is given by

V=2\pi \int\limits^a_b {x f(x)} \, dx

a) Setting up the integral.

We are given one end point for x which is x = 2, but we are not given the other, so we can set y = 0 on the given equation to get:

0  = 5xe^x

Notice that the exponential function is not going to be equal to 0, so we get the other endpoint for the interval as

0 = 5x

which give us

x=0

Thus we integate from x = 0 to 2, so we will get:

V=\displaystyle 2\pi\int_0^2 x (5x)e^x\, dx

And we can simplify that to

V=\displaystyle 10\pi\int_0^2 x^2e^x\, dx

b) Using a calculator to evaluate the integral.

We can use a calculator to write the integral including the interval to get:

V = 20 \left(e^2-1\right) \pi

And its value rounded to 5 decimal places is

V=401.43623

7 0
3 years ago
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