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mel-nik [20]
3 years ago
5

4x-8y+16x+9y-5x²-8x+6x²

Mathematics
2 answers:
olga2289 [7]3 years ago
3 0

4x-8y+16x+9y-5x^2-8x+6x^2=

12x+1y+1x^2=

x^2+12x+1y

NISA [10]3 years ago
3 0
1) group the same variables together
6x²-5x²+16x-8x+9y-8y
TIP: PARENTHESIS MIGHT HELP
(6x²-5x²)+(16x-8x)+(9y-8y)

2) solve each group
6x²-5x²= 1x² AKA x²
16x-8x= 8x
9y-8y= 1y AKA y

3) put the equation back together
x²+8x+y

THE FINAL ANSWER IS…
x²+8x+y
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Can someone help me please
Blizzard [7]

Answer:

Area=76.56 square feet

Step-by-step explanation:

area of a rectangle =base*height = 5ft*8ft= 40 square feet

area of a triangle=(base*height)/2 =(4ft*4ft)/2= 8 square feet

area of a square=base*height =4ft*4ft= 16 square feet

area of a circle =\pi* r^{2}[/tex]=3.14*2^{2}= 12.56 square feet

r = radius

Total area=(40+8+16+12.56)square feet

Total area=76.56square feet

3 0
3 years ago
Write a numerical expression that represents the quotient of 85 minus 7 and 19
disa [49]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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Step-by-step explanation:

3 0
3 years ago
John made a rectangle pen for his dog using 28 feet of fencing. If the width of the pen is 2 feet more than one-half the length,
kati45 [8]
Okay, so you know that the perimeter of the pen is 28 feet. Now we need the separate side lengths.

P = 28 ft.
Length = x
Width = (1/2)x + 2

So now we can plug in the little equations of length and width into a perimeter formula:
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Distribute the 2's and solve as needed.
2x + x + 4 = 28
3x + 4 = 28
3x = 24
x = 8

To find the width, just plug in 8 for x in our little equation:
(1/2)(8) + 2
= 6

So, the length is 8 feet and the width is 6 feet.
5 0
3 years ago
Read 2 more answers
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inysia [295]

Answer: 8

Step-by-step explanation: 8(15-4)/4^2-5 8(11)/16-5 88/11 = 8

3 0
4 years ago
Read 2 more answers
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