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NISA [10]
3 years ago
10

Using our quadratic equation knowledge match the following scenarios.

Mathematics
1 answer:
seraphim [82]3 years ago
7 0

Answer:

1. A

2. E

3. B

4. C

5. D

Step-by-step explanation:

1. Hitting a golf on the moon will give higher max height and farther distance due to low gravity. Equation A show 500x giving sum of root (SOR) -500/16 the highest sum among other showing that the distance between roots are larger

2. Hitting golf on top of tall building will have initial height higher compared from the rest. By subs x=0, the highest initial height is equation E with h = 300

3.jupiter has stronger gravity compared to earth and moon, hence max height will be lower than Moon and earth. The lowest max height is shown on equation B

4. A bionic man can hit stronger hence must have higher max height compared to the tall man. Either C or D. Choose C since the maximum height is higher than D

5. A 10 foot person has higher height compared to normal. At x = 0, h(x) for D is 8 which is around the arm height of the tall person. And the maximum hitting height of equation D is relatively lower than C. So option D is more logical for this tall person.

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4/5 divided by 1 2/5
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Answer:

4/7

Step-by-step explanation:

Multiply the number by The reciprocal of 1 2/5

4/5*5/7=20/35

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Carlos and Maria drove a total of 217 miles in 4.1 hours. Carlos drove the first part of the trip and averaged 52 miles per hour
VMariaS [17]
M = hours driven by Maria

c = hours driven by Carlos

since we know that Carlos was driving at an average of 52 mph, then in 1 hour he drove 52 miles, in 2 hours he drove 2*52 miles in "c" hours he drove c*52 miles or 52c.

Maria on the other hand is faster and does 54 mph, in 1 hour she does 1 * 54 miles, and on 2 hours she does 2 * 54 miles and in "m" hours she does m * 54 miles or 54m.

now, we know the total amount of miles they both drove is 217, so whatever "m" and "c" are we know that 54m + 52c = 217.

we also know it took 4.1 for the whole trip, so m + c = 4.1.

\bf \begin{cases}&#10;m+c=4.1\implies \boxed{c}=4.1-m\\&#10;54m+52c=217\\&#10;-------------\\&#10;54m+52\left( \boxed{4.1-m} \right)=217&#10;\end{cases}&#10;\\\\\\&#10;54m-52m+213.2=217\implies 2m=3.8&#10;\\\\\\&#10;m=\cfrac{3.8}{2}\implies m=1.9

so Maria drove for 1.9 hours.

How many hours did Carlos drive for?  well, c = 4.1 - m.
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In Tammy's video game, she receives a treasure box for completing a mission. Each treasure box gives Tammy a special item. Every
Contact [7]
The answer is C... good luck
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