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k0ka [10]
3 years ago
6

ILL MARK U BRAINLIEST HELP

Mathematics
2 answers:
Scilla [17]3 years ago
7 0

Answer:

6x-y

Step-by-step explanation:

Add the two expressions

Olenka [21]3 years ago
7 0

Answer:

6x + -y

Lets simplify this step by step:

2x + 7y + 4x −8y

2x + 7y + 4x + −8y

Then we combine like terms

=2x + 7y + 4x + −8y

=(2x + 4x) + (7y + −8y)

= 6x + −y

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What is the value of the expression below when w=3? 5w2 -5w-8
IrinaK [193]

Answer:

23

Step-by-step explanation:

Well substitute (if there is no sign and their all stocked together, it’s multiplication)

5(3)2 - 5(3)-8

30-7

23

7 0
3 years ago
Can someone help pls
zhenek [66]
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3 years ago
C.J bought a bag of birdseed for 4.25 he paid with a 5.00 bill.How much change did he get back.
ruslelena [56]
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4 years ago
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EastWind [94]

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3 0
3 years ago
A 48 inch board is to be cut into three pieces so that the second piece is twice as long as the first piece and the third piece
Y_Kistochka [10]

Complete question :

A 48 inch board in to be cut into three pieces so that the second piece is twice as long as the first, and the third piece in 3 times as long as the first. If x represents the length of the first, find the lengths of all three

Answer:

Length of first piece = x = 8

Length of second = 2x = 8*2 = 16

Length of third = 3x = 8 * 3 = 24

Step-by-step explanation:

Let :

Length of first piece = x

Length of second = 2x

Length of third = 3x

The total lengtb of board = 48 inches

Hence,

First + second + third = 48

x + 2x + 3x = 48

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x = 48 / 6

x = 8

Length of first piece = x = 8

Length of second = 2x = 8*2 = 16

Length of third = 3x = 8 * 3 = 24

6 0
3 years ago
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