2 years ago

If I am traveling 80 kilometers per hour how long will it take me to travel 20 kilometers per hour

Mathematics

1 answer:

ddd [48]2 years ago

8 0

You are comparing velocities. Without a given acceleration, the time can not be found.

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Use the partial product stratagy to solve 429×35?

Korolek [52]

16731 should be the answer

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2 years ago

Factorise and solve x^2 + 4x -21 = 0

Korvikt [17]

Answer:

(x + 7) (x - 3)

Step-by-step explanation:

Find 2 numbers that add to 4 and multiply to -21

(x + 7) (x - 3)

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1 year ago

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What is the inverse function f(x)=-3x-2

vesna_86 [32]

f^-1 (x) = 2/3 + x/3

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2 years ago

Assume that in October of a particular year about 215 billion text messages were sent or received in the US, and the prediction

Julli [10]

Answer:

There will be $243$ billion messages sent or received in November.

Step-by-step explanation:

Given.

Number of text messages sent or received $=215$ billion.

Increment on the very next month $=13\%=\frac{13}{100}=0.13$

Lets find what is $13\%\ of\ 215$

⇒ $13\%\ of\ 215$

⇒ $0.13\times 215=27.95$

So we will add this value to our previous months data.

Now

Number of text messages sent in the month of November $=(27.5+215)=242.95$ billion.

Rounding to the nearest tenth the answer will be $243$ billion.

So $243$ billion text messages were sent or received in November.

5 0

2 years ago

A cylinder has a volume of 360 cubic centimeters. Find the volume of a cone with the same height and diameter as

harina [27]

Formula for the cylinder = V=πr2h

Formula for the cone = 1/3πr²H

Description:

So if the cone and a cylinder have the same radius and the same height then it will be greater. So plug in these formula.

Formula:

Vcone = 3Vcone

Vcylinder = 360cm³

Vcone = 1/3 360cm³ = 120cm³

Answer: 120cm³

Hope this helps.

4 0

2 years ago