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ella [17]
2 years ago
7

8th Grade Math Pls help, I'll mark Brainiest for the First Correct answer

Mathematics
1 answer:
alexira [117]2 years ago
6 0
Y = -x + 5
hope it helps
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The open tray shown in the illustration is to be manufactured from a 18-by-19-inch rectangular sheet of metal by cutting squares
defon
Answer: You should cut out squares that are 4 inches by 4 inches.

One of the ways to do this problem is write and graph an equation. We can write an equation for the volume of this shape and then use a graphing calculator to graph it. If we look where the graph crosses 440, we will have our solution.

The volume needs to be 440. If we let x equal the side of the square that is cut out, we have the following dimensions.

Length = 19 - 2x
Width = 18 - 2x
Height = x

Volume = LWH

So our equation could be: y = (19 - 2x)(18 - 2x)x

If you graph that equation, it will intersect at the point (4, 440). Therefore, our square could be 4 by 4 inches.
8 0
3 years ago
What value(s) for n will make this expression true?
exis [7]

Answer:

The answer is option 4.

Step-by-step explanation:

As there is a <em>M</em><em>o</em><em>d</em><em>u</em><em>l</em><em>u</em><em>s</em><em> </em><em>s</em><em>i</em><em>g</em><em>n</em><em> </em>so the answer will be always positive.

e.g

|1.2| = 1.2

|-5.6| = 5.6 (always interested in the positive value)

6 0
3 years ago
Read 2 more answers
Mary has 96 muffins which she needs to box up, 5 of which are blueberry, into dozens. How many boxes dose he need
lesya692 [45]

Answer:

8

Step-by-step explanation:

Mary needs 8 boxes to put 96 muffins in dozens so 96÷12 gives you 8

8 0
2 years ago
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9= 3 3_4- 2 7_8- b <br> B?
rosijanka [135]

Answer:

Step-by-step explanation:

9 - 3¾ - 2⅞ = 3⅜

He gave his grandmother 3⅜ pounds of apples.

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3 years ago
Which is the correct label of the parallel lines?(4 points)
otez555 [7]

Answer:

1

Step-by-step explanation:

a//b is the correct answer plz add this as brainliest

8 0
3 years ago
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