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2 years ago

8

I WILL GIVE YOU BRAINLIEST AND I WILL PAYPAL YOU 5 BUCKS, PLEASEE JUST SOMEONE ANSWER THIS QUESTION FOR ME

2 answers:

Nitella [24]2 years ago

7 0

When you rotate across the x-axis it will be in quadrant 4 now and then when rotating a point 180 degrees counterclockwise about the origin our point A(x,y) becomes A'(-x,-y). So all you do is make both x and y negative.
hope this helps:))

stepan [7]2 years ago

5 0

Answer:

Quadrant 2

Step-by-step explanation:

It goes over the x axis and rotates 180 which is half a a circle.

Haha you don't got to pay someone to help you bro

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How do I factorise 2t^2 + 5t +2

alekssr [168]

$2t^2+5t+2\\\\a=2;\ b=5;\ c=2\\\\\Delta=b^2-4ac;\ if\ \Delta > 0\ then\ t_1=\frac{-b-\sqrt\Delta}{2a}\ and\ t_2=\frac{-b+\sqrt\Delta}{2a}\\\\\Delta=5^2-4\cdot2\cdot2=25-16=9;\ \sqrt\Delta=\sqrt9=3\\\\t_1=\frac{-5-3}{2\cdot2}=\frac{-8}{4}=-2;\ t_2=\frac{-5+3}{2\cdot2}=\frac{-2}{4}=-\frac{1}{2}\\\\2t^2+5t+2=2(x+2)(x+\frac{1}{2})$

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2 years ago

1. The position of a particle moving along a coordinate axis is given by: s(t) = t^2 - 5t + 1. a) Find the speed of the particle

zimovet [89]

Answer: $\left | 2t-5\right |,\ 2,\ 2t-5$

Step-by-step explanation:

Given

Position of the particle moving along the coordinate axis is given by

$s(t)=t^2-5t+1$

Speed of the particle is given by

$\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=\left | 2t-5\right |$

Acceleration of the particle is

$\Rightarrow a=\dfrac{dv}{dt}\\\\\Rightarrow a=2$

velocity can be negative, but speed cannot

$\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=2t-5$

3 0

2 years ago

What is the answer to part B? explanation please

vaieri [72.5K]

Answer:

1

Step-by-step explanation:

10³/10³

10³-³

10⁰=1

Formula a¹÷a¹=a¹-¹=a⁰. (Exponents and Powers)

And

a⁰=1

hope it helps..

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2 years ago

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Please could someone help with this one . Thanks I will brainlist

inessss [21]

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3 years ago

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Please choose an answer below.<br> A) 3.4 <br> B) 36.0 <br> C) 38.6 <br> D) 41.2

schepotkina [342]

Answer:

It would be D.

Step-by-step explanation:

Hope this helps!!!

6 0

3 years ago