MATHEMATICS HIGH SCHOOL

The formula for a volume of a cylinder is V= pi r squared h/3. solve the equation for h, or height. PLZ help ASAP

Answers

Answer 1

Answer:

Answer:

h=3V/πr²

Step-by-step explanation:

V= πr²h/3
πr²h=3V
h=3V/πr²

Answer 2

Answer:

Answer:

3V / (pi r^2) = h

Step-by-step explanation:

V= pi r squared h/3

Multiply each side by 3

3V = pi r^2 h /3 * 3

3V = pi r^2 h

Divide each side by pi r^2

3V / (pi r^2) = pi r^2 h /( pi r^2)

3V / (pi r^2) = h

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Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime,and double time on holidays. last week she worked 40 hours of regular time, 6/12 hours of overtime and 8 hours of holiday time. how much did she say earn

Answers

You can make an equation with the information given: Earnings = 6 * r + (1.5*6)o + (6*2) h = 6r + 9o + 12h. Where r is the number of regular hours worked, o is the number of overtime hours and h is the number of holiday hours. Now r = 40, o = 6.5, and h = 8. So, Earnings = 6(40) + 9(6.5) + 12(8) = 39405. Answer: $394.5

What is the measure of AC?
Enter your answer in the box. Enter only the numerical value.

Answers

Step-by-step explanation:

Angle BDC is an angle inscribed in a circle. As such it intercepts TWICE as many degrees of arc as its measure

so: 2 * (3x-1.5) = 3x+9

6x -3 = 3x+9

x = 4

then the arc AC = 3x+9 = 21 degrees

Round all the way 2689

Answers

2689 rounded to the nearest thousand will be 3,000 because 6 added one to 2 since it is more than 4.

Factor this trinomial completely.15x²+11x-12
OA. (3x+3)(5x-4)
OB. (3x+4)(5x-3)
C. (x+3)(15x-4)
OD. (x+4)(15x-3)

Answers

Answer:

Step-by-step explanation:

given the trinomial

15x² + 11x - 12

consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 15 × - 12 = - 180 and sum = + 11

the factors are + 20 and - 9 , since

+ 20 × - 9 = - 180 and + 20 - 9 = + 11

use these factors to split the x- term

15x² + 20x - 9x - 12 ( factor the first/second and third/fourth terms )

= 5x(3x + 4) - 3(3x + 4) ← factor out (3x + 4) from each term

= (3x + 4)(5x - 3)

The area of the trapezoid is 108 in2.

What is the height of the trapezoid?

Answers

The area of the trapezoid is given by the formula A= (a+b)/ 2 * h

in this question a= 8, b= 10, A= 108 inches², and h is what we have to find, substitute what we have got into the formula and you will have:

108= (8+10) /2 *h

108= 9 *h

h= 108/9

h= 12 inches

area for a trapezoid is A= a+b/2 times h (a and b are the bases which are 8 and 10

so 108=8+10/2 x h 8+10 divided by 2 equals 9 so now we have 108=9 x h

now we must divide both sides by 9 to solve for the height 108/9 equals 12 so the height of the trapezoid is 12

Distance between (1,2) and (4,6)

Answers

Answer:

Step-by-step explanation:

6-4 over 2-1

2 over 1

I hope this is correct and have a great day

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