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Kipish [7]
3 years ago
7

Help and thx helppppppppppppp

Mathematics
1 answer:
scoundrel [369]3 years ago
3 0

Answer:

area = 12x² + 88x + 96

perimeter = 16x + 40

Step-by-step explanation:

Rectangle.

Length = 2x + 12

Width = 6x + 8

area = length × width

area = (2x + 12)(6x + 8)

area = 12x² + 16x + 72x + 96

area = 12x² + 88x + 96

perimeter = 2(length + width)

perimeter = 2(2x + 12 + 6x + 8)

perimeter = 2(8x + 20)

perimeter = 16x + 40

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A cone-shaped tent has a diameter of 12 ft and a height of 6 ft.
mestny [16]
Here's the formula for the volume of a cone:

V=\frac{1}{3}\pi\ r^2h

Plug in 3.14 for \pi.
Plug in 6 for the height h.
Our radius is half of our diameter. r=6.

V\approx\frac13\times3.14\times6^2\times6

6² = 6 × 6 = 36.
Now we just multiply together 1/3, 3.14, 36, and 6 to get...

V\approx226.08

Rounding to the nearest tenth...

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7 0
3 years ago
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Solve for x in the figure below. HELP ME PLEASE!!!!!!
Nezavi [6.7K]

Each triangle has a sum of angles that equal 180° so set each angle measure = 180

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2x + 202 = 180; subtract 202 from both sides

2x = -22; divide both sides by 2

x = -11

Plug in -11 for x to check

(-11 + 66) + (-11 + 86) + 50 = 180

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8 0
3 years ago
What is the midpoint in 74.1 and 74.2​
nikitadnepr [17]

Answer:

74.15

Step-by-step explanation:

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Jenny is eight years older then twice her cousin sues age. The sum of their ages is less then 32. What is the greatest age that
maw [93]

Answer:

The age of Sue could be 7 years

Step-by-step explanation:

Jenny is 8 years older than twice her cousin Sue's age.

The first equation will be :

J = 8 + 2S ---------(1)

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The second equation will be :

J + S < 32  ----------------(2)

Now rearrange both equations :

8 + 2S + S < 32

3S < 32 - 8

3S < 24

S < 24/3

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The age of Sue could be 7 years.

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3 years ago
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Answer:

Step-by-step explanation:

7 0
3 years ago
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