3 years ago

Write the equation of the line passing through the points (2,-5) and (7,-3).

Mathematics

1 answer:

Grace [21]3 years ago

7 0

Answer:

5y·2x=21

$\frac{y - y1}{y2 - y1} = \frac{x - x1}{x2 - x1}$

Step-by-step explanation:

using the formula above,you will find the equation 5y–2x=21

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If f(x) = - 2x^2 + 2x - 3, what is f(5)?

Sonja [21]

Answer:

-2(5)^2 + 2(5) - 3

-2(25) + 10 - 3

-50 + 10 - 3

-53 + 10

-43

Step-by-step explanation:

4 0

3 years ago

A box of detergent is on sale for $6.50, if this price is 40% discount from the original price to the nearest cent.

coldgirl [10]

6.50 *.40. = 2.60

6.50+ 2.60= 9.10

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3 years ago

Lena will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $50 and costs an add

sergiy2304 [10]

50 + 0.50m = 0.70m
50 = 0.70m - 0.50m
50 = 0.20m
50 / 0.20 = m
250 = m......the plans will cost the same at 250 miles <==

50 + 0.50(250) = 50 + 125 = 175
0.70(250) = 175

and they would both cost $ 175 <==

6 0

3 years ago

You and your brother are reading the same novel. You want to get ahead of him in the book, so you decide to read 303030 minutes

ddd [48]

You will read for 45 minutes if your brother reads for 15 minutes.

Explanation

You decide to read 30 minutes longer than your brother reads.

If your brother reads $x$ number of minutes, then 30 minutes longer than $x$ minutes means $(x+30)$ minutes.

As the number of minutes you read is $y$ , so the equation will be: $y= x+30$

When your brother reads for 15 minutes, then we will just plug $x=15$ into the above equation. So.....

$y=15+30= 45$

So, you will read for 45 minutes if your brother reads for 15 minutes.

7 0

3 years ago

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Your car can drive 300 miles on a tank of 15 gallons. How far can it drive on 40 gallons?

Flura [38]

Answer:

800

Step-by-step explanation:

since 300 divided by 15 is 20.

20 x 40= 800

3 0

4 years ago

Read 2 more answers