3 years ago

Y is greater or equal than negative 2x plus 3

Mathematics

1 answer:

Brut [27]3 years ago

4 0

$y \geqslant - 2x + 3$

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A car of 1000 kg starts to move from rest and travels a distance of 150 m in 10 second. How much force is needed?

allsm [11]

Initial velocity=u=0m/s
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Time=t=10s
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Using second equation of kinematics

$\\ \sf\longmapsto s=ut+\dfrac{1}{2}at^2$

$\\ \sf\longmapsto 150=0(10)+\dfrac{1}{2}a(10)^2$

$\\ \sf\longmapsto 150=\dfrac{1}{2}\times 100a$

$\\ \sf\longmapsto 50a=150$

$\\ \sf\longmapsto a=\dfrac{150}{50}$

$\\ \sf\longmapsto a=3m/s^2$

Mass=m=1000kg
Force=F

Using newtons second law

$\\ \sf\longmapsto F=ma$

$\\ \sf\longmapsto F=1000(3)$

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Step-by-step explanation:

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in a fundraiser, Mrs. Smith pledges $1 for each mile walked . if Sam walks 20 miles how much will Mrs. Smith donate? what is yhe

EleoNora [17]

Mrs. Smith donated $20
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Is {(0,6),(0,-6),(1,5),(1,-5),(7,10)} a function? Please help

pishuonlain [190]

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Step-by-step explanation:

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To solve we have the following equation below,

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3 years ago