3 years ago

What are all these . Please help I will mark Brainly

Mathematics

1 answer:

disa [49]3 years ago

3 0

Answer:

for a the answer is 5 for b also 5 (the solution is also the same but the = sign will be >) and for c is true

Step-by-step explanation:

for a so its 2x=10 you divide it like this

<h3><u>2x</u>=<u>10</u></h3><h3>2 2 so the answer will be</h3><h3>x=5 so you mark 5</h3>

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A ball is thrown from initial height of 2 feet with an initial upward velocity of 35 ft./s. The ball's height H (in feet) after

vodka [1.7K]

So if the height is going to be 20ft, that means 20 = 2+35t-16t²

$\bf 20=2+35t-16t^2\implies 16t^2-35t+18=0
\\\\\\
\textit{now, it doesn't factor in integers, thus}
\\\\\\
 \textit{quadratic formula}\\\\
x= \cfrac{ - {{ b}} \pm \sqrt { {{ b}}^2 -4{{ a}}{{ c}}}}{2{{ a}}}\implies t=\cfrac{-(-35)\pm\sqrt{(-35)^2-4(16)(18)}}{2(16)}
\\\\\\
t=\cfrac{35\pm\sqrt{73}}{32}\implies t\approx
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1.361\\
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8 0

3 years ago

Read 2 more answers

Can someone pls help me<br> Pls

lora16 [44]

Answer:

help u with what? Say what u need

5 0

3 years ago

−13−(−12)

posledela

If the question you're asking is -13-(-12), then your answer would be -1. Hope that helped.