2 years ago

A

Mathematics

1 answer:

kramer2 years ago

3 0

Step-by-step explanation:

the sum of a number and 2 is no less than the product of 9 and the same number

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I need help !!!!!!!!!!!!!!! For 1 and 2

11Alexandr11 [23.1K]

Answer:

#1: 5

#2: $\sqrt{40}$

Step-by-step explanation:

Inverse of Pythagorean Theorem: c²-b²=a²

c² b² a²

13²- 12² = 25

$\sqrt{25}$ = 5

Pythagorean Theorem: a²+b²=c²

a² b² c²

2² + 6² = 40

c = $\sqrt{40}$

5 0

3 years ago

Will give Brainliest

Vedmedyk [2.9K]

I hope you will get it

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2 years ago

A cylindrical tank lying on its side is filled with liquid weighing 50lb/ft^3. Find the work required to pump all the liquid to

nikklg [1K]

<span>You can use the fact that the work done is equivalent to finding the center of mass of the water in the tank(which is at the center of the cylindrical cross section, which is 3 ft below the level to which the liquid is pumped. Call this distance h.
You then need the total mass of the liquid, volume X density=m. This is where pi comes in!
Work needed =mgh, where g is the gravitational acceleration.</span><span>
</span>

4 0

2 years ago

What fraction of £2 is 20 pence

lana [24]

£1 = 100p
£2 = 2 · 100p = 200p

20p = 20/200 = 1/10

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2 years ago

Film travels through a projector at the rate of 170 feet per minute. How many feet of flim are in a motion picture that last 120

Vaselesa [24]

120x170=20400

hope it helps

6 0

2 years ago