3 years ago

Please I need it for a test

Mathematics

1 answer:

NeTakaya3 years ago

6 0

Answer:

Step-by-step explanation:

there are 3 people who did 32 and there are 3 people who did 50 so it is the same number.

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What is 38/6 times 1 1/2

eimsori [14]

Answer:

19 over 2

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Step-by-step explanation:

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4 years ago

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An automobile travels past the farmhouse at a speed of v = 45 km/h. How fast is the distance between the automobile and the farm

yulyashka [42]

Answer:

$\frac{ds}{dt} = 39.586 km/h$

Step-by-step explanation:

let distance between farmhouse and road is 2 km

From diagram given

p is the distance between road and past the intersection of highway

By using Pythagoras theorem

$s^2 = 2^2 +p^2$

differentiate wrt t

we get

$\frac{d}{dt} s^2 = \frac{d}{dt} (4 + p^2)$

$2s \frac{ds}{dt} =2p \frac{dp}{dt}$

$\frac{ds}{dt} = \frac{p}{s}\frac{dp}{dt}$

$\frac{ds}{dt} = \frac{p}{\sqrt{p^2 +4}} \frac{dp}{dt}$

putting p = 3.7 km

$\frac{ds}{dt} = \frac{3.7}{\sqrt{3.7^2 +4}} 45$

$\frac{ds}{dt} = 39.586 km/h$

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4 years ago

A picture 10 inches tall and 14 inches wide is to be scaled to 1.5 inches tall to be displayed on a webpage. How wide should the

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3 years ago

Adam says that the expression 52-3y is equal to 20 when y equal 2.Explain why Adam's answer is incorrect.

larisa [96]

Because when you do 3 x 2=6 and then 52-6 it doesn’t equal 20. It equals 46.

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3 years ago

The "Verifiable" characteristic of scientific research deals with: A: The results' replication B: None of the given options C: T

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Step-by-step explanation:

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3 years ago

Please I need it for a test ​

Please I need it for a test