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2 years ago

10

Hi guys tell me your name (or your nickname )and how many questions you have solved and how many times you have gotten brainiest

. have a nice day!!

1 answer:

iogann1982 [59]2 years ago

3 0

Answer:

my nickname is Kaybe I have answered 74 questions and have been given brainiest 9 times

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Step-by-step explanation:

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If x=at^3 and y=bt^2 then find dy/dx

Molodets [167]

Dy/dx = (dy/dt) / (dx/dt)

dy/dt = 2bt

dx/dt = 3at^2

therefore dy/dx = 2bt/3at^2
dy/dx = 2b/3at

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2 years ago

A box contains 18 yellow, 24 green and 28 red jelly beans. If 12 jelly beans are selected at random, what is the probability tha

Nana76 [90]

Yellow: 25.71% chance of you grabbing a yellow jelly bean

Green:34.29% chance of you grabbing a green jelly bean

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1 year ago

Proper angle for a ladder is about 75° from the ground. Suppose you have a 10 foot ladder. How far from the house should you pla

Alja [10]

Answer:

The base of the ladder is 2.58 m.

Step-by-step explanation:

Given that,

The angle of elevation for a ladder from the ground is 75°.

The length of a ladder, H = 10 foot

We need to find the distance from the house should you place the base of the latter. Let the base of the ladder is b. Using trigonometry,

$\cos\theta=\dfrac{B}{H}\\\\B=H\times \cos\theta\\\\B=10\times \cos(75)\\\\B=2.58\ m$

So, the base of the ladder is 2.58 m.

8 0

2 years ago