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3 years ago

Pls help me i only have a few mins to answer this question, thank you!

Mathematics

1 answer:

iris [78.8K]3 years ago

4 0

Answer:

Step-by-step explanation:

since it passes the origin then there is no y intercept, so no plus anything. And the line is going down so its a negative.

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What number gives a result of −5 when 9 is subtracted from the quotient of the number and 6?

My name is Ann [436]

Answer:

Step-by-step explanation:

If it gives a result of -4 then our equation will have .... = -4

If we subtract 9 from the quotient of a number and 5 we have x/5 - 9

Our equation is:

x/5 - 9 = -4 add 9 to both sides

x/5 = -4 + 9

x/5 = 5 multiply both sides by 5

x = 5(5)

x = 25

Check: 25/5 - 9 = 5-9 = -4

Answer checks as correct from information given

8 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

3 years ago

Read 2 more answers

PLEASE HELP THANK YOU

Svetllana [295]

Answer:

change in the total cost for each book printed = $15

cost to get started (before books are bought) = $1200

Step-by-step explanation:

IF the eqn is y = 15x +1200

where y represent the total cost of publishing a book (in dollars) and

x represent the number of copies of the book printed

then cost to get started (before books are bought) can be found by substitute x=0 into the eqn

y = 1200 + 15*0 = $1200

change in the total cost for each book printed will be the difference in total cost at x=0 and x=1

when x=0, y=1200

when x=1, y=1200+15*1=1215

so the change in total cost=$15

7 0

3 years ago

What is the value of <img src="https://tex.z-dn.net/?f=%5Csqrt%7B25" id="TexFormula1" title="\sqrt{25" alt="\sqrt{25" align="abs

Trava [24]

Answer: -72

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

PLEASE HELP PLEASE HELP PLEASE

olasank [31]

Answer:

your answer is c hope this helps

Step-by-step explanation:

6 0

3 years ago