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4 years ago

What is brown has a hump and live in the North Pole

Mathematics

1 answer:

Tpy6a [65]4 years ago

8 0

A walrus is brown and lives in the north pole, it kind of has a hump but not nearly as prominent as a camel's hump.

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PLEASE HELP ASAP!!!!!!!!

steposvetlana [31]

Answer:

4.6.

Step-by-step explanation:

The rocket hits the ground when h(t) = 0. So

$-16t^{2} + 72t + 7 = 0$

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

In this question:

$-16t^{2} + 72t + 7 = 0$

$a = -16, b = 72, c = 7$

Then

$\bigtriangleup = 72^{2} - 4*(-16)*7 = 5632$

$t_{1} = \frac{-72 + \sqrt{5632}}{2*(-16)} = -0.1$

$t_{2} = \frac{-72 - \sqrt{5632}}{2*(-16)} = 4.6$

Time is a positive measure, so the answer is 4.6.

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3 years ago

Mary is having her living room and bedroom painted

Flauer [41]

Answer:

Mary is my sister :))

Step-by-step explanation:

She is dating now! :>>

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4 years ago

Explain how knowing 50 x 4 = 200 helps you find 500 X 400?

Simora [160]

If you know the answer to 50 x 4 = 200 then you can just add the other zeros

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3 years ago

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Talja [164]

Answer:

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180 - 90 - 45 = x

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Step-by-step explanation:

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