MATHEMATICS HIGH SCHOOL

What does p equal in this equation and how: -p-7p=6(-2p+10)-(12-2p)

Answers

Answer 1

Answer:

Step-by-step explanation:

-8p=-12p+60-12+2p

-8p+12p-2p=48

2p=48

p=24

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The equation for the volume of a cylinder is v=πr²h the positive value of r, in terms of h and V, is

Answers

The positive value of r is $\sqrt{(v)/(\pi h) }$

What is the volume of cylinder ?

The volume of cylinder is basically the density of the cylinder which amount it can carry.

The volume of cylinder is the product of the area of the circular base and height.

If, r be the base radius and h be the height of a cylinder, then the volume of cylinder(v) = $\pi r^(2) h$ cubic unit

How to find the value of r from volume of cylinder formula ?

The volume of cylinder(v) = $\pi r^(2) h$ ,where r=radius, h=height, v=volume of cylinder

∴ $v=\pi r^(2) h$

⇒ $r^(2) =(v)/(\pi h)$

⇒ $r=$ ± $\sqrt{(v)/(\pi h) }$

According to the problem, Only the positive value of r is required.

So, $r=\sqrt{(v)/(\pi h) }$

Learn more about Volume of cylinder here :

brainly.com/question/1908836

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The sum of the digits of a two-digit number is 9. If the digits are reversed, the new number is 27 less than the original. Find the original number.

Answers

I did another one just like this about an hour ago. I did it the elegant, tedious way,
and it took about 2 feet of screen. Then I realized there was a totally bourgeois but
easy way to do it. For 5 points, I'll give you the method for the masses:

List all the possible pairs of digits that add up to 9, along with their flips:

18 . . . . . 81
27 . . . . . 72
36 . . . . . 63
45 . . . . . 54

Do you see any pair that are different by 27 ?
How about 36 and 63 ?

So the original number is 63, and when you flip it, it becomes 36, which is 27 less.

6. A group of friends wants to go to theamusement park. They have $311 ta
spend on parking and admission.
Parking is $15, and tickets cost $32
per person, Write and solve an
equation which can be used to
determine p, the number of people
who can go to the amusement park.
2

Answers

Answer:

Step-by-step explanation:

311 - 15 = 296

296 ÷ 32 = 9.25

Rounded to 9 people

Prices were recorded for all the loaves of bread in a supermarket, the mean price for a loaf of bread was $1.37 with a standard deviation of $0.67, Find the probability that if 13 loaves are selected the mean price is less than $1.00. A 0.0032

B 0.5643

C 0.9105

D 0.0233