Ask question

Ask question

All categories

2 years ago

5

What is the equation of the line that includes points (25, 100) and (15, 120)

1 answer:

julia-pushkina [17]2 years ago

3 0

Answer:

y = -2x + 150

Step-by-step explanation:

y2 - y1 / x2 - x1

120 - 100 / 15 - 25

20 / -10

= -2

y = -2x + b

100 = -2(25) + b

100 = -50 + b

150 = b

You might be interested in

4. Solve the multistep equation.<br> 4y + 6 + 3y = 15 - 5y + 3

Lubov Fominskaja [6]

Answer:

y=6

Step-by-step explanation:

7y+6=18-5y

-5y, -6

2y=12

y=6

5 0

2 years ago

Read 2 more answers

ASAP HELP!!! use the quadratic regression feature of a graphing calculator to find a quadratic model. round to the nearest thous

seropon [69]

Answer:

y = 0.008x^2 + 0.518x + 131.886

Step-by-step explanation:

Make sure your Plot 1 is ON. Select the Scatter Plots and the appropriate lists.
Clear all functions in [Y=]
Input data in L1 and L2. Go to [Stat] [Enter] to input data.
Graph data points. ...
Choose a regression from the list in [Stat] "CALC". ...
Go to [ZOOM] "9: ZoomSTat" to view the data with the regression curve.

(credit: CPM Educational Program)

3 0

2 years ago

Fred is playing tennis. For every 2 of his serves that land in, 4 serves land out. If he hit 28 serves in, how many serves lande

bija089 [108]

2 for every 4 = 1 for every two, so 28 multiplied by two. Your answer is 56.

5 0

2 years ago

Read 2 more answers

100 POINTS! PLEASE HELP!

lesantik [10]

Answer:

$y=-4x+5$

Step-by-step explanation:

<u>Step 1: Find the slope</u>

<u /> $m=\frac{y_2-y_1}{x_2-x_1}$

$m=\frac{13-5}{-2-0}$

$m=-\frac{8}{2}$

$m=-4$

<u>Step 2: Use point slope form</u>

<u /> $(y-5) = -4(x-0)$

$y-5 + 5=-4x + 5$

$y=-4x+5$

Answer: $y=-4x+5$

4 0

3 years ago

Read 2 more answers

Please help I dont understand

riadik2000 [5.3K]

Answer:

2.1

Step-by-step explanation:

By the Law of Cosines,

a² = 5² + 6² - 2(5)(6)cos(20°)

a = sqrt(5² + 6² - 2(5)(6)cos(20°)), which is about 2.1

7 0

1 year ago