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defon
3 years ago
7

The diameter of a circle is 3 ft. Find the circumference to the nearest tenth.

Mathematics
2 answers:
Tom [10]3 years ago
4 0
To find radius
Diameter divided by 2 = radius
So it’s 1.5
To find circumference
C=2pi*radius
So 2pi*1.5=9.42
Phoenix [80]3 years ago
3 0
The circumference to the nearest tenth is 9.42
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X=4/5 (x+10)<br> pls ans fast!!!!!!!!!!!!!!!!!!!!1
8_murik_8 [283]

Answer:

x=40

Step-by-step explanation:

x=4(x+10)÷5

x=(4x+40)÷5

5x=4x+40

x=40

7 0
2 years ago
Which of the following best describes a plane ?
leonid [27]
The best example of a plane would be A) the surface of a flat table. A plane could also be represented by anything that is flat in nature.

Hope this helps! :)
7 0
3 years ago
Read 2 more answers
2. The width of a rectangle is 5 units less than the length. If the area is 150 square units, then find the dimensions of the re
xz_007 [3.2K]

Answer:

  • The length = x = 15 units
  • The width = x-5 = 10 units

Step-by-step explanation:

Let 'x' be the length of a rectangle

As the width of a rectangle is 5 units less than the length.

so

width of rectangle will be = w = x - 5 units

Area = 150 square units

Using the formula

Area = length × width

150=\left(x\right)\left(x-5\right)

150=x^2-5x

x^2-5x=150

Subtract 50 from both sides

x^2-5x-150=150-150

x^2-5x-150=0

\left(x+10\right)\left(x-15\right)=0

if

ab=0\:\mathrm{then}\:a=0\:\mathrm{or}\:b=0\:\left(\mathrm{or\:both}\:a=0\:\mathrm{and}\:b=0\right)

x+10=0\quad \mathrm{or}\quad \:x-15=0

x=-10,\:x=15

As length can not be negative. so

x = 15 units

Hence,

The length = x = 15 units

The width = x-5 = 15-5 = 10 units

5 0
2 years ago
I need help<br><br> simplify: 4^8/4^-4
LenKa [72]

Answer:

4^{12}

Step-by-step explanation:

using the rule of exponents

\frac{a^{m} }{a^{n} } = a^{(m-n)} , then

\frac{4^{8} }{4^{-4} } = 4^{(8-(-4))} = 4^{(8+4)} = 4^{12}

5 0
1 year ago
Divide. −425÷(−5) −2225 −825 825 2225
Alex17521 [72]

Answer: The correct answer would be -85.


Step-by-step explanation: This is because the -5 becomes positive because it is inside parentheses.

This would make the expression: -425 ÷ 5.

-425 ÷ 5 is equal to -85.

Hope this helps and have a nice day! :)


6 0
3 years ago
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