MATHEMATICS HIGH SCHOOL

What is the volume of a cylinder using pi or 3.14 which the height being 8 and the width being 2

Answers

Answer 1

Answer:

Answer:

The volume of the cylinder is 25.12

Step-by-step explanation:

The width is the diameter in the circle of the base

radius = half of diameter

r = 2/2 = 1

To calculate the volume of a cylinder we have to use the following formula:

v = volume

h = height = 8

π = 3.14

r = radius = 1

v = (π * r²) * h

we replace the unknowns with the values we know

v = (3.14 * (1)²) * 8

v = (3.14 * 1) * 8

v =3.14 * 8

v = 25.12

The volume of the cylinder is 25.12

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State an equation you could use to find the value of x. Then find the value of x in simplest form.

Answers

You can use the Pythagorean Theorem:

a^2+b^2=c^2
x^2+x^2=(7√2)^2
2x^2=49*2 (combine like terms and square the 7√2)
x^2=49 (divide both sides by 2)
x=7 (square root both sides)

So the equation is 2x^2=98 (simplest form) and x=7

Hope this helps

Help mee please i don’t understand

Answers

The answers in order is
Bc
Dc
Sas

Match each expression with its simplified form.1. a/(a^2-4)+2/(3a+6)
2.5/a+7
3.a/ab-3/b
4.6/ab+8/a
5.3a/4b^2-b/6a

Answers

$(a)/(a^2-4)+(2)/(3a+6) = (a)/((a-2)(a+2)) + (2)/(3(a+2)) = \n\n(3a)/(3(a-2)(a+2))+(2(a-2))/(3(a+2)(a-2)) = \n\n(3a+2a-4)/(3(a^2-4)) = (5a-4)/(3a^2-12)$

$(5)/(a)+7 = (5)/(a)+(7a)/(a) = (7a+5)/(a)\n\n\n(a)/(ab)-(3)/(b) = (1)/(b) -(3)/(b) = (1-3)/(b) = -(2)/(b)\n\n(6)/(ab)+(8)/(a) = (6)/(ab)+(8b)/(ab) = (6+8b)/(ab)\n\n(3a)/(4b^2) - (b)/(6a) = (9a^2)/(12ab^2) - (2b^3)/(12ab^2) = (9a^2-2b^3)/(12ab^2)$

In Missy's sport-card collection, 3/4 of the cards are baseball cards. In frank's collection, 8/12 are baseball cards. Frank says they have the same fraction of baseball cards. Is he correct?

Answers

to solve this, you need to simplify 8/12
in order to simplify a fraction, you divide both the top and bottom by the same number.
8 and 12 are both divisible by 4, so you get
2/3

2/3 and 3/4 are not the same fraction, so no. Frank is not correct.

No he is incorrect because Missy's collection has more.

Find the slope and y-intercept of the line
x+2y=6

Answers

x+2y=6

-x -x

2y = -x + 6

y = -1/2x + 3

The slope is -1/2 and y-int is 3

The volume of a cylinder is 4x3 cubic units and its height is x units.Which expression represents the radius of the cylinder, in units?
2x
4x
2pi x²
4pi x2