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densk [106]
3 years ago
15

MATH REALLY NEED HELP :C BEGGING Tom throws a ball into the air. The ball travels on a parabolic path represented by the equatio

n h = -8t 2 + 40t, where hrepresents the height of the ball above the ground and t represents the time in seconds. The maximum value achieved by the function is represented by the vertex. Use factoring to answer the following:How many seconds does it take the ball to reach its highest point? What ordered pair represents the highest point that the ball reaches as it travels through the air? Hint: because parabolas are symmetric, the vertex of a parabola is halfway between the zeroes of the quadratic.
Mathematics
1 answer:
Lynna [10]3 years ago
4 0
It takes approximently 16 seconds
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Is 7 - -4 positive or negative?<br> positive<br> negative
djverab [1.8K]

Answer:

Positive.

Step-by-step explanation:

When you see two negative signs directly next to each other (as shown in the given expression), it will become a positive sign:

7 - (-4) = 7 + 4 = 11

Positive is your answer.

* To be fair, even if there is only one negative sign, the answer will still be positive, however, I am assuming you are suggesting only the sign, and not the answer.

~

7 0
3 years ago
The Chickens and Pigs Problem A farmer saw some chickens and pigs in a field. He counted 15 heads and 44 legs. Problem solve to
Flauer [41]

Answer:

15 pigs 22 chickens

Step-by-step explanation:

So if there are 15 heads, that means there 15 pigs and we know chickens have 2 legs, so we do do 44/2 = 22, so there are 15 pigs and 22 chickens

6 0
4 years ago
Match the reasons with the statements.
german

Answer:

Concept: Mathematical Derivation

  1. We are given x^2 +6x+2x+12
  2. Hence we simplify: x^2 + 8x +12
  3. Now we factor: (x+2)(x+6)
  4. By mathematical logic we now proved that the roots are x=-2 and x=-6
  5. Give brainlist and rate positively
4 0
3 years ago
I really don’t get it
posledela

<em>you just add 8 + 8 + 8 it equals </em><u><em>24. rounded it will be 20</em></u>

<u><em>--------------------------------------------------</em></u>

<u><em>im pretty sure thats how you do it if not sorry</em></u>

8 0
3 years ago
The temperature was t degrees farenheight . It fell 8 degrees farenheight and is now 32 degrees farenheight.What was the orginal
LenKa [72]
Well since you subtract 8 from the original and now you have 32 you should add 8 which means the answer is 40 degrees Fahrenheit. tell me if i’m wrong
4 0
3 years ago
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