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jolli1 [7]
3 years ago
11

Find the radius of a circle with a circumfrence of 64pi inches

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
5 0
64=2πr

642π=r

32π=r

r≈10.186
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a rectangular plot has a perimeter of 124cm. The width is 2cm shoter than the lengh.What is the area of the rectangle?​
geniusboy [140]

Answer:

area = 960cm^2

Step-by-step explanation:

Perimeter = 2 x (length + width) ------(1)

Perimeter = 124cm

Let length be x

Given width is 2cm shorter than length , that width = x -2

    Perimeter = 2 (x + (x -2))\\\\124 =  2(x +x -2)\\\\62 = 2x -2 \\64 = 2x\\x = 32

Length = 32cm

Width = 32 - 2 = 30cm

Area = length x width

  = 32 \times 30 = 960cm^2

8 0
3 years ago
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The factorization of a trinomial is modeled with algebra tiles. Which trinomial is factored? x2 + 3x – 6 x2 + 5x – 6 x2 + 3x – 2
Alisiya [41]

Answer

The answer is x^2 + 5x - 6

Step by step explanation

You are given four trinomials, we have to find which trinomial is factorable.

x^2 + 3x - 6 cannot be factored.

x^2 + 5x -6 can be factored.

= (x + 6)(x -1)

The factors are (x-1) and (x - 6)

Other twos are cannot be factored.

The answer is x^2 + 5x - 6

Thank you.

8 0
3 years ago
If f(x)=4x^2+1 and g(x)=x^2-5 find (f-g)(x)​
vodka [1.7K]

Answer:

Answer: 5x² - 4

Step-by-step explanation:

f(x) = 4x² + 1

g(x) = x² - 5

Then

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masya89 [10]

Answer:

rotating around  y = 1 will make the sphere.

Step-by-step explanation:

3 0
3 years ago
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Ksivusya [100]
<span>X+2y=10 ----Eq.1
</span><span>x+y=6---------Eq.2
from Eq2.
x=6-y
Subtituting the value of X in the first equation
6-y+2y=10
6+y=10
y=4
Plug y=4 in equation 2.
</span><span>x+4=6
</span>X= 2
7 0
3 years ago
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