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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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Denise bought 5.2 pounds of rice for $5.29. Using the unit rate, how much would 2 pounds of rice cost? A $1.02 C $2.04 B $1.29 D

vagabundo [1.1K]

Answer:

it's A

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

A) What is the domain and range of the graph? (Use the equations editor or explain)

riadik2000 [5.3K]

The domain: -5 < x ≤ 1 and the range: -3 ≤ y ≤ 1 is a function. b)

No, the vertical line crosses the graph in more than one place, therefore, the relation shown is a function.

<h3>What is the domain and range of the function?</h3>

The domain of a function is defined as the set of all the possible input values that are valid for the given function.

The range of a function is defined as the set of all the possible output values that are valid for the given function.

The domain of a relation is the set of values of the independent variable for a defined function.

The domain is the horizontal extent of the graph.

The range of a relation is the set of values of the dependent variable for a defined function.

The range is the vertical extent of the graph.

The vertical line can intersect the graph in at most one place.

This graph extends from x > -5 to x = 1.

The domain

-5 < x ≤ 1 ------ (-5, 1] in interval notation

This graph extends from y = -3 to y = 1.

The left side of the graph does not include the point (-5, 1), but the right side includes the point (1, 1).

y = 1 is one of the output values of the relation.

The range

-3 ≤ y ≤ 1 . . . . . . . . [-3, 1] in interval notation

No, the vertical line crosses the graph in more than one place, therefore, the relation shown is a function.

Learn more about the domain and range of the function:

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8 0

2 years ago

A ball is dropped from a height of 12 feet and returns to a height that is one-

nasty-shy [4]

Answer:

0.375

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

What is 424.12 rounded to the nearest 10th ASAP

evablogger [386]

424.1

the nearest 10th refers to the first decimal place therefore there would only need to be 1 decimal place. and you don’t the round the 1 up when dropping the 2 because the 2 is less than five.

4 0

3 years ago

Which ordered pairs are solutions to the inequality 2x+y>−4?

hichkok12 [17]

we will proceed to resolve each case to determine the solution

we have

$2x+y>-4$

$y>-2x-4$

we know that

If an ordered pair is the solution of the inequality, then it must satisfy the inequality.

case a) $(5,-12)$

Substitute the value of x and y in the inequality

$-12>-2*5-4$

$-12>-14$ ------> is True

therefore

the ordered pair $(5,-12)$ is a solution of the inequality

case b) $(-3,0)$

Substitute the value of x and y in the inequality

$0>-2*-3-4$

$0>2$ ------> is False

therefore

the ordered pair $(-3,0)$ is not a solution of the inequality

case c) $(-1,-1)$

Substitute the value of x and y in the inequality

$-1>-2*-1-4$

$-1>-2$ ------> is True

therefore

the ordered pair $(-1,-1)$ is a solution of the inequality

case d) $(0,1)$

Substitute the value of x and y in the inequality

$1>-2*0-4$

$1>-4$ ------> is True

therefore

the ordered pair $(0,1)$ is a solution of the inequality

case e) $(4,-12)$

Substitute the value of x and y in the inequality

$-12>-2*4-4$

$-12>-12$ ------> is False

therefore

the ordered pair $(4,-12)$ is not a solution of the inequality

Verify

using a graphing tool

see the attached figure

the solution is the shaded area above the line

The points A,C, and D lies on the shaded area, therefore the ordered pairs A,C, and D are solution of the inequality

7 0

4 years ago

Read 2 more answers