3 years ago

Write the equation in vertex form for the parabola that will satisfy the given

Mathematics

1 answer:

Artist 52 [7]3 years ago

6 0

Answer:oofer gang

Step-by-step explanation:

827/927

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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

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

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

3 0

4 years ago

Hello, can someone check my homework please and thank you Have A Great Day

Deffense [45]

Answer:

They are all correct. Well done.

6 0

3 years ago

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Someone please help I will give u 1¢

Darya [45]

Answer:

3rd option

y=1/2 x-3

7 0

3 years ago

What is 6/1 divided by 3/4 if i put it in the wrong way.. then SORRY

Pani-rosa [81]

The answer is 8

Step by step:

6x4/1x3 =

24/3

(24/3)/(3/3) = 8

5 0

3 years ago

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ILL GIVE BRAINLIEST ON THIS QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!

DochEvi [55]

Answer:

15.25 or 15 if you need it to be rounded.

Step-by-step explanation:

-11 on both sides to get 5x=1x+61. Then, -1x on both sides to get 4x=61. Then to find x you do 61 divided by 4 which is 15.25.

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3 years ago