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postnew [5]
3 years ago
11

Find the perimeter and area of the figures of 6ft and 8ft?

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
4 0
The perimeter is 28 and the area is 24
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Is √8 a rational or irrational number
yawa3891 [41]

Answer:

irrational

Step-by-step explanation:

irrational because there will still be a 2 under the root when you simplify to 2√2

3 0
3 years ago
Please help geometry
sveta [45]

Answer:

The answer to your question is 11.4 units

Step-by-step explanation:

Data

A (-3, -1)

B ( 0, 3)

C ( 1, 2)

Perimeter = ?

Formula

d = \sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}}

Process

1.- Find the length between the points

dAB = \sqrt{0 + 3)^{2} + (3 + 1)^{2}}

dAB = \sqrt{3^{2}+ 4^{2}}

dAB = \sqrt{9 + 16}

dAB = \sqrt{25}

dAB = 5

dBC= \sqrt{(1 - 0)^{2} + (2 - 3)^{2}}

dBC = \sqrt{1^{2} + (-1)^{2}}

dBC = \sqrt{1 + 1}

dBC = \sqrt{2}

dAC = \sqrt{(1 + 3)^{2} + (2 + 1)^{2}}

dAC = \sqrt{4^{2} + 3^{2}}

dAC = \sqrt{16 + 9}

dAC = \sqrt{25}

dAC = 5

2.- Perimeter

P = AB + BC + AC

P = 5 + \sqrt{2} + 5

P = 10 + \sqrt{2}

P = 10 + 1.42

P = 11.4

7 0
3 years ago
Please someone help
nevsk [136]

Answer:

The answer is 7/3 or 2 1/3

Step-by-step explanation:

1) You change the ÷ into x  (so it will be 7/9 x 1/3)

2) You flip the 1/3 so it will be 3 ( 7/9 x 3)

3) There you have it the answer is 7/3

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3 years ago
Solve for x. geometry
likoan [24]

Answer:

45

Step-by-step explanation:

We make a proportion and solve it:

\frac{x + 18}{x}  =  \frac{28}{20}

28 x = 20x+360

8x=360

x=45

4 0
2 years ago
Let f(x) = 3x+2 and g(x) = 7x+6. find f×x
gavmur [86]
Its basically telling you to multiply 3x+2 × 7x+6
21x^2+18x+14x+12
21x^2+32x+12
6 0
3 years ago
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