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3 years ago

Quick help pls 26 points

Mathematics

2 answers:

kotegsom [21]3 years ago

8 0

Answer: hi, i can’t see the photo

Step-by-step explanation:

Aliun [14]3 years ago

3 0

Answer:

b $1\frac{1}{2}$

Step-by-step explanation:

150% = 1.5

If you say this allowed you would say 1 and one-half. So if you would write it it would be $1\frac{1}{2}$ .

Hope this helps.

May I please have brainliest? :)

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oksian1 [2.3K]

Answer:

$t= 6\ s$

Step-by-step explanation:

We know that the equation that models the height of the ball as a function of time is $h(t) = -16t ^ 2 + 80t + 96$ .

Where the initial speed is 80 feet.

When the ball lands on the ground, its height will be $h(t) = 0$ .

So to know how long it will take the ball to reach the ground, equal h (t) to zero and solve for t.

$-16t ^ 2 + 80t + 96 = 0$

To solve this quadratic equation we use the quadratic formula.

For an equation of the form:

$at^2 +bt +c$

The quadratic formula is:

$t=\frac{-b\±\sqrt{b^2 -4ac}}{2a}$

In this case

$a =-16\\b = 80\\c =96$

Then

$t=\frac{-80\±\sqrt{80^2 -4(-16)(96)}}{2(-16)}$

$t_1=-1\\\\t_2=6$

We take the positive solution

$t= 6\ s$

7 0

3 years ago

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ser-zykov [4K]

Answer:

f^-1 (x)= 2×/×-1 is your answer

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finlep [7]

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The answer is (1,4,2)

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1 year ago

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Lubov Fominskaja [6]

Depends on the answers it gives you, you can do 50 + 2 or (10 x 5) + 2 >.< That is how I learned anyway and I think thats what you mean

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3 years ago

Quick help pls 26 points ​

Quick help pls 26 points