3 years ago

I need help on this math problem.

1 answer:

8 0

X= 23 degrees
To find this you first add up 124 and 33 which equals 157. Then you would subtract 157 from 180 because all triangles equal 180.

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A cylinder is 20 inches long and has a diameter of 10 inches the approximate volume of the cylinder is_____ cubic centimeters

Lesechka [4]

Answer: 3987.8cm³

Step-by-step explanation:

Volume of a cylinder = πr²h

where

π = 3.14

r = diameter / 2 = 10in/2 = 5inches

h = height = 20in

Volume = πr²h

= 3.14 × 5² × 20

= 3.14 × 25 × 20

= 1570inches³

Since 1 inch = 2.54cm

1570 inch = (1570 × 2.54) = 3987.8cm³

Therefore, the volume of the cylinder is

3987.8cm³ cubic centimeters.

5 0

3 years ago

all six of the women at the party brought one dozen cookies to share. If a total of 48 cookies are eaten at the party, how many

WINSTONCH [101]

Answer:

Step-by-step explanation:

If all 6 women brought a dozen cookies

cookies = 6*12

There were 72 cookies brought to the party.

48 cookies were eaten

72 -48 = 24

That means there are 24 cookies left

4 0

3 years ago

Can you help with this question.

Zina [86]

0.7

$0.7 \times 10 \: to \: the \: power \: \: 4 \\ \ \\ = 0.7 \times 10000 = 7000| |$

4 0

3 years ago

Use substitution to solve the following pairs of simultaneous equation for x and y in terms of m and n.

Effectus [21]

Answer:

;-; that's easy that 5th grade math for me

4 0

3 years ago

Convert 9ft -2 1/2in to inches

Mandarinka [93]

we know that

$1$ ft is equal to $12$ in

$9$ ft is equal to

by proportion

$\frac{1}{12} =\frac{9}{x} \\ \\ x=12*9\\ \\ x=108$ in

therefore

$9ft-2\frac{1}{2} in=108 in-2.5 in\\ \\ =105.5 in$

$105.5 in=105 \frac{1}{2}in$

the answer is

$105 \frac{1}{2}in$

8 0

3 years ago

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