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Rom4ik [11]
2 years ago
10

I need help i will mark you brainliest​

Mathematics
1 answer:
Reil [10]2 years ago
7 0

Answer:

Step-by-step explanation:

you need to draw a leaf plot

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A.
eimsori [14]

Answer: A: 2 and C: 4

Step-by-step explanation:

supplementary angles form a straight line adding up to 180 degree angles

7 0
3 years ago
Jeb is the local tennis pro at the country club, and he needs to know at what height the tennis ball needs to be when he hits it
suter [353]

Answer:

The height from ground, at which Jeb needs to hit the ball is 7.8 meters

Step-by-step explanation:

The given parameters are;

The distance away the tennis ball is hit = 20 meters;

The height of the tennis net = 0.3 m

The distance from the net the ball lands = 4 meters

The time the ball takes to land from the 0.3 m net height is given as follows;

t = √(h/(1/2×g)) = √(0.3/(1/2 × 9.8)) ≈ 0.2474

t ≈ 0.2474 seconds

The speed of the ball = Distance/Time = 4/0.2474 ≈ 16.166

The speed of the ball ≈ 16.166 m/s

The time it takes the ball to reach the net = 20/16.166 ≈ 1.24

The time it takes the ball to reach the net, tₓ ≈ 1.24 seconds

The height, hₓ the ball falls in 1.24 seconds is given as follows;

hₓ = 1/2·g·tₓ² = 1/2 × 9.8 × 1.24² = 7.5

The height, hₓ the ball falls in 1.24 seconds = 7.5 m

The height the ball falls in the time taken to reach the net from 20 meters = The height, hₓ the ball falls in 1.24 seconds

Therefore, the height at which Jeb needs to hit the ball = The height the ball falls in the time taken to reach the net from 20 meters + The height of the net = 7.5 m + 0.3 m = 7.8 m

The height at which Jeb needs to hit the ball = 7.8 m

4 0
3 years ago
How do you solve this?
oksian1 [2.3K]

Answer:

X=73/7

Step-by-step explanation:

7 0
3 years ago
How many more ficton books than non fiction 2
Lena [83]

Answer:

what do you want us to solve

Step-by-step explanation:

i dont see anything to find a awnser

7 0
2 years ago
Please help i will give extra points
belka [17]

Answer:

-63

Step-by-step explanation:

(-25+4^2) * 7

(-25+16) * 7

-9*7=-63

6 0
3 years ago
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