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3 years ago

Line A line B line C line D

Mathematics

1 answer:

Rom4ik [11]3 years ago

5 0

Change the equation in y=mx+b form.

-2x + 5y = 10
5y = 2x + 10
y = 2/5x + 2

So the slope of the line should be 2/5 and y-intercept should be 2.

The line A is the graph of the equation given

Hope this helps :)

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The scatter plot shows the amount of sleep Aria got the night before a test and her test scores. Use the y-intercept, (0, 62), a

kotegsom [21]

Answer:

y = 3x + 62

Step-by-step explanation:

Trend line equation in the form :

y = mx + b

m = slope

b = intercept

Using the points :

(0, 62) ; (6, 80)

Slope, m = Rise / Run = (y2-y1) / (x2 - x1)

y2 = 80 ; y1= 62 ; x2 = 6 ; x1 = 0

m = (80 - 62) / (6 - 0)

m = 18 / 6

m = 3

Intercept, b = value of y when x = 0

(0, 62) ; hence, b = 62

y = 3x + b

y = 3x + 62

3 0

3 years ago

Solve for x by completing square x^2-18x=65

Nastasia [14]

Answer:

See Image below:)

Step-by-step explanation:

You can use the app photo math, you just take a picture of the question and it shows you the steps.

7 0

2 years ago

Jacob has saved $50. He spent $15 at th movies. Then after paying repairs to his bike, he has $0 remaining. How much did the bik

zmey [24]

Answer:

The bike repair costs $35

Step-by-step explanation:

5 0

3 years ago

Solve for y: 3d = 7y + 5

pogonyaev

Answer:

d = $\frac{7y+5}{3}$

Step by step explanation:

3d = 7y+5

Divide both sides by 3

$\frac{3d}{3}$ = $\frac{7y}{3}$ + $\frac{5}{3}$

Simplify

$\frac{7y+5}{3}$

7 0

2 years ago

Maxwell’s vegetarian tacos requires 3/4 tablespoon of chili powder for every 1/2 pound of vegetables. How much chili powder will

Zina [86]

Answer:

1 1/8 or 9/8

Step-by-step explanation:

Set up a proportion. The proportion will be teaspoons of chili powder over pound of vegetables.

The first proportion will be..

$\frac{x}{y}$ x is 3/4 and y is 1/2. Across from that proportion make another one

$\frac{x}{y}$ x is "n" because you're trying to figure out how much chili powder you need. y is 1 3/4.

Multiply 3/4 and 1 3/4, which is 9/16. Then, divide 9/16 and 1/2, which is 9/8. Simplify it to 1 1/8, and Maxwell will need 1 1/8 teaspoons of chili powder.

Hope this wasn't too confusing :)

3 0

3 years ago

Read 2 more answers