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3 years ago

How to find slope when giving two equations that equal each other?

Mathematics

1 answer:

9966 [12]3 years ago

4 0

slope formula.:

m = (y_2 - y_1) / (x_2 - x_1)

so you just need two points from whatever function you have

Or if you already have the function formula, then just the number of the first term (if your function is this: y=ax^2 + bx + c then the a is the slope)

Hope this helps!

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Given the line of the best fit for a set of data points with equation y=-5x-2.5 what is the residual for the point (3,6)

HACTEHA [7]

Answer:

The residual of the point $(3,6)$ in the equation $y=-5(x)-2.5$ is $= 23.5$

Step-by-step explanation:

We have been given point $(3,6)$ where $x=3$ .

Now the equation is $y=-5(x)-2.5$ .

Plugging the value of $x=3$ in the equation of $y=-5(x)-2.5$ ,

we have to find the predicted value of y and $y=-5(3)-2.5 =-15-2.5=-17.5$ .

So y predicted $=-17.5$ .

To find the residual point we have to subtract the actual value from the predicted value.

As actual value of $y=6$ along with the points $(3,6)$ .

Residual point = Actual value - Predicted value.

$=6 -(-17.5) =23.5$

So the residual for the point $(3,6)$ is $23.5$ .

7 0

4 years ago

I need help plz percent equations blank % of 9,000 = 6,750

Nata [24]

Answer:

6750:9000*100 =

(6750*100):9000 =

675000:9000 = 75

Now we have: 6750 is what percent of 9000 = 75

Question: 6750 is what percent of 9000?

Percentage solution with steps:

Step 1: We make the assumption that 9000 is 100% since it is our output value.

Step-by-step explanation:

6750:9000*100 =

(6750*100):9000 =

675000:9000 = 75

Now we have: 6750 is what percent of 9000 = 75

Question: 6750 is what percent of 9000?

Percentage solution with steps:

Step 1: We make the assumption that 9000 is 100% since it is our output value.

7 0

3 years ago

A football stadium sells regular and box seating. There are twelve times as many

Vera_Pavlovna [14]

Answer:

There are 801 box seats and 9612 regular seats.

explanation:

Let the number of box seats be x,

Then the regular seats is 12x

The sum of seats equals to 10,413

<u>Solve:</u>

12x + x ➙ 10,413

13x ➙ 10413

x ➙ 801

There are 801 box seats.

<u>Find for regular seats:</u>

➙ 12(x)

➙ 12(801)

➙ 9612

There are 9612 regular seats.

6 0

2 years ago

Read 2 more answers

Find the midpoint of the segment having endpoints (0 ,1/8) and (-4/5 ,0)

kvasek [131]

Answer:

Mid point of the given end points = $(\frac{-2}{5},\frac{1}{16} )$

Step-by-step explanation:

Given the end points of the line segment are :

(0, $\frac{1}{8}$ ) & ( $\frac{-4}{5}$ ,0)

We will use the mid point formula when two points are: (x₁,y₁) & (x₂,y₂)

mid point = $(\frac{x_{1} +x_{2} }{2},\frac{y_{1} +y_{2} }{2} )$

now put the value of x₁ = 0

x₂ = $\frac{-4}{5}$

y₁ = $\frac{1}{8}$

y₂ = 0

mid point = $(\frac{0-\frac{4}{5} }{2},\frac{\frac{1}{8}+0 }{2})$

= $(\frac{-2}{5},\frac{1}{16} )$

That's the final answer.

3 0

3 years ago

Great Mountain Park: All day pass: 20.25 Mountain coaster: 4.50 Tilt a Loop: 4.75 Water coaster: 4.00 Fast drop: 3.50 Swing a Li

Black_prince [1.1K]

You would get £22.75 change from an £100 bill.

8 0

4 years ago

Read 2 more answers