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irina1246 [14]
3 years ago
13

a rectangular sofa cushion is 36 inches by 30 inches by 20 inches. How many cushions can be covered with 38400 square inches of

material?
Mathematics
1 answer:
Vesnalui [34]3 years ago
4 0
I confused ! I don't get what your trying to say please explain better !
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Please show work and if possible explain how you did it? I've been confused over this (both questions please)
Ahat [919]
Y=mx+b
m=slope
b=y intercept or where the line crosses the y axis

slope=rise/run, from left to right

so

1.
ok, so we see it is going throught (-2,1) and (-1,4)
so it hits (-2,1) and then goes up 3 and right 1
so sloe=3/1 or 3
y intercept, it hits at y=7 so
y=3x+7 is equation

2.
we gots a hit at (0,2) and (5,6) about
so goes up 4 and to the right 3 so
4/3 is slope
hits y axis at about y=2
y=(4/3)x+2
5 0
4 years ago
Represent the following sentence as an algebraic expression, where "a number" is the
vova2212 [387]

Answer:

<u>The difference of a number and 4:</u>

  • x - 4

<u>The cube of the difference:</u>

  • (x - 4)³

Leaving this as is since no simplification is required.

7 0
3 years ago
Read 2 more answers
Solve for n<br>f=6/5(n-43)​
harkovskaia [24]

The answer would be n=5f/6 + 46

6 0
3 years ago
Read 2 more answers
12а + 7x - За – 2х what's the answer<br>​
Troyanec [42]
9a-5x

step by step explanation:

you can only add and subtract numbers that have the same variables.

12a and 3a are related because there variable is both a.

when u subtract 12a-3a you get the answer of 9a using subtraction.

7x and -2x are the second pair of related terms because they also have the same variable (x)

7x-2x is 5x using subtraction.

put the expression together:

9a-5x

hope this helps!

give me brainliest if it did plz
8 0
3 years ago
A study at a major university concluded that many students are cheating.
lawyer [7]
Is this even a middle school question??
8 0
3 years ago
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