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Lubov Fominskaja [6]
3 years ago
9

Somebody please help me quickly. I don't understand. Please answer A, B, & C quickly. Thank you! P.S please show me how you

got the answers

Mathematics
1 answer:
Ahat [919]3 years ago
8 0
Hello! I can help you with this!

a. Okay. So Reese has money to buy 115 cm of framing, with the length being 18.5 cm long. The formula would be written like this: 115 = 2(18.5) + 2w.

b. Now, let’s solve the problem. 18.5 * 2 is 37. 115 - 37 is 78. The width could be 78 centimeters or less. In inequality form, it would be written as this: w <= 78.

c. Now, graph the solution by writing a few numbers on the number line. Counting by 2’s, write the even numbers 70-86 on the number line. Put a closed circle point on 78, and then draw the line to the left. Going left means numbers are smaller and a closed circle means the equation is less than or equal to. The number line interprets that the width for both sides can total 78 centimeters or less.
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PLEASE HELP
xeze [42]

Answer:

-4

Step-by-step explanation:

So we are given the expression: | y - x | + y - 1, and we have our values for (x,y): (-3,-6).

So, we can just start plugging things in and simplifying, so:

| -6 + 3 | - 6 - 1 = | -3 | -7

                       = 3 - 7

                       = -4

7 0
3 years ago
Explain why their are no solutions to the system of inequalities <br> y ≤2x-5 <br> y ≥2x+1
rosijanka [135]

Answer:

Sorry this is late and I think this is right.

They are both parallel, they have the same slope, and do <em>not </em>intersect. If you were to draw a slope out for it, you would find this to be true.

For example: Say the question called for you to explain why there aren't any solutions to these system of inequalities:

<em>y < - 1/2x -3</em>

<em>y > 1/2x + 2</em>

<em>y= -x/2 -3</em> and <em>y= -x/2 + 2 </em>have the same exact slope, are parallel, and never intersect. The first line is 5 units below the second line when x = 0. Because the lines are parallel, it is always below the second line. The solutions of y < - x/2 -3 are the points in the plane below the first line. The solutions of y > 1/2 + 2 are points above the second line.

I hope this helps you. Good luck on whatever you're working on and stay safe! Please let me know if this helped you or didn't.

7 0
3 years ago
Solve the literal equation for y, 2x-2y=5
sukhopar [10]

Answer:

y=-5/2+x

Step-by-step explanation:

4 0
3 years ago
Brandon is training for 200 meter dash. His best running time so far was 31.25 seconds. If Brandon wants to run the dash in 27 s
raketka [301]

Just subtract 27 from 31.25

31.25-27=4.25

Brandon must cut 4.25 seconds

3 0
3 years ago
Read 2 more answers
What are three triangles that are classified by angles?
Law Incorporation [45]
❅☃ Scalene **All sides are different, none are the same**
❅☃ Equilateral **all three sides are equal in size and value** and
❅☃Isosceles **two sides are equal in size and/or value**
6 0
3 years ago
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