2 years ago

What is the radius of a tree trunk with a circumference of 43.96 inches?(use pie = 3.14.)

Mathematics

1 answer:

DerKrebs [107]2 years ago

5 0

Answer:

The radius of the tree trunk is 7 inches.

Step-by-step explanation:

circumference = 2(3.14)radius

43.96 = 2(3.14) r

43.96 = 6.28r

7 = r

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The pH of 0.0001 M solution of Ca(OH)2 is

12345 [234]

Step-by-step explanation:

Since Ca(OH)2 is Basic, we need to find pOH:

pOH = - log [OH-]

pOH = - log(0.0001)

pOH = - ( - 4)

pOH = 4

Since, pH + pOH = 14

Therefore,

pH of 0.0001M sol. of Ca(OH)2 = 10

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3 years ago

matthew grew 2.7 inches last year and 4.4 inches this year. How many inches has Matthew grown over the last two years combined

lorasvet [3.4K]

Answer:

<h2>7.1 inches</h2>

Step-by-step explanation:

Total inches grown last year by matthew = 2.7inches

Total inches grown this year by Matthew = 4.4 inches

Total inches grown by Matthew over the last two years combined will be the sum of heights of matthew for both the previous year and the current year.

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3 years ago

Many pages did she read in

Artist 52 [7]

To work this out, you need to add the number of pages on Sunday and Monday.

72+83= 155

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3 years ago

Simplify the following expression. +−16x2+−5x3x29

kenny6666 [7]

Greetings!

(Assuming that the "x" signifies a multiplication sign, rather than a variable.)

Follow PEDMAS.
$=+(-16)*2+(-5)*3*29$
Simplify.
$=-16*2-5*3*29$
$=-32-5*3*29$
$=-32-15*29$
$=-32-435$
$=-467$

Hope this helps.
-Benjamin

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2 years ago

A truck has a trailer that has a length of 20 feet, a width of 8 feet, and a height of 12 feet. What is the volume of the traile

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Answer:

1920

Step-by-step explanation:

20*8*12=1920

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2 years ago