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3 years ago

Slope intercept equation for (0,-4) and (4,1)

Mathematics

1 answer:

Fudgin [204]3 years ago

8 0

Answer:

y = (5/4)x - 4

Step-by-step explanation:

As we move from (0, -4) to (4, 1), x increases by 4 and y increases by 5.

Thus, the slope of the line segment connecting these two points is

m = rise / run = 5/4.

Subbing these knowns into the point-slope formula for the equation of a straight line, we get:

y - 1 = (5/4)(x - 4), or

y = (5/4)x - 5 + 1, or

y = (5/4)x - 4

Let's check this out. Determine whether or not (0, -4) satisfies the equation:

-4 = (5/4)(0) - 4

Yes, this is true; the equation is correct.

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a train makes a trip at 65 mi/h. A plane traveling 130 mi/h makes the same trip in 3 fewer hours. Write and solve an equation to

Rudik [331]

The formula used for calculating the time is:

t = d / v

where t is time, d is distance and v is velocity

We know that the difference in the two times is 3 hours, therefore:

d / 65 – d / 130 = 3

Calculating for d:

d = 30 / (1/65 – 1/130)

<span>d = 3900 miles</span>

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3 years ago

A blanket is 4 feet wide. It is 3 times as long as it is wide. Find the perimeter and area of the blanket.

garri49 [273]

Answer:

P: 32

A: 48

Step-by-step explanation:

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3 years ago

Can anyone help me with 24,27,30 and 33 please

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24) 9/19

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30) On the 7th it will be 1/120
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3 years ago

Two gallons of gasoline cost $7.96, 5 gallons cost $19.90, and 12 gallons cost $47.76. Which equation gives the total cost y of

Nikolay [14]

Answer:

9.7921

Step-by-step explanation:

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3 years ago

Read 2 more answers

You collect 140 total pieces of candy trick or treating and 35 of them are m&m's. What fraction of the candy is not m&m'

tekilochka [14]

$\frac{3}{4}$ of the candy is not m&m's.

Step-by-step explanation:

Given,

Total pieces of candy = 140

Number of m&m's = 35

Fraction = $\frac{Number\ of\ m&m}{Total\ pieces\ of\ candy}$

Fraction = $\frac{35}{140}$

Both 35 and 140 are multiples of 7, therefore,

Fraction of m&m's = $\frac{5}{20} = \frac{1}{4}$

As the number of m&m's fraction and not m&m's fraction will make a total of 1, therefore

fraction of m&m's + fraction of not m&m's = 1

fraction of not m&m's = 1 - fraction of m&m's

fraction of not m&m's = $1-\frac{1}{4}=\frac{4-1}{4}$

fraction of not m&m's = $\frac{3}{4}$

$\frac{3}{4}$ of the candy is not m&m's.

Keywords: fraction, subtraction

Learn more about fractions at:

#LearnwithBrainly

7 0

3 years ago