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Vesnalui [34]
2 years ago
8

Equivalent to 28xy+16x

Mathematics
1 answer:
snow_tiger [21]2 years ago
5 0

Answer:

4x(7y+4)

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hammer [34]
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3 0
3 years ago
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A sweater that regularly sold for $52 id now on sale at 30% off. what is the sale price?
pochemuha

Since the sweater is now 30% off, that means it is selling for 70% of it's original price ( 100% - 30% = 70%).


Multiply the original price by 70%:


52 x 0.70 = 36.40


The sale price is $36.40

8 0
3 years ago
The perimeter of a rectangle is 70 inches. If its length is four times its width, find the dimensions. Write an equation and sol
katen-ka-za [31]

Answer: Length = 28cm

Width = 7cm

Step-by-step explanation:

Let the width be represented by x.

Since the length is four times its width. Therefore, the length would be:

= 4 × x = 4x

The perimeter of a rectangle is calculated as:

= 2(length + breadth)

Therefore, 2(4x + x) = 70

2(5x) = 70

10x = 70

x = 70/10

x = 7

Therefore, width = 7cm

Length = 4x = 4 × 7 = 28cm

5 0
3 years ago
1. -10+4 =<br> 2. -7+11=<br> 3. -8+7=
Setler [38]

1. -6

2. 4

2. -1

The positive numbers will out rule the negative number. It's sort of like placing blocks over another set of blocks. :)

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3 years ago
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Help me plz. The sides of a rectangular terrain are given by the expressions (x - 5) y
tatyana61 [14]

Area = (x - 5)(x – 7)

Area = x(x - 7) - 5(x - 7)

Area = x^2 -7x -5x + 35

Area = x^2 -12x + 35

algebraic expression that represents its area: x^2 -12x + 35

x^2 - 12x + 35 = 195

x^2 - 12x + 35 - 195 = 0

x^2 - 12x - 160 = 0

x^2 - 8x - 20x - 160 = 0

x (x + 8) - 20 (x + 8) = 0

(x + 8) (x - 20) = 0

(x + 8) = 0

(x - 20) = 0

x = - 8 (not a solution)

x = 20

hence,

length = x - 5

length = 20 - 5

length = 15 m

width = x - 7

width = 20 - 7

width = 13 m

perimeter = 2(13) + 2(15)

perimeter = 26 + 30

perimeter = 56 m²

4 0
3 years ago
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