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MrRissso [65]
4 years ago
13

Based on Rudy’s baseball statistics,the probability that he will pitch a curveball is 1/4.if rudy throws 20 pitches,how many pit

xhes most likely will be curveballs?
Mathematics
1 answer:
Aleks [24]4 years ago
6 0

Answer:

5

Step-by-step explanation:

Expected value = probability × number of trials

X = 1/4 × 20

X = 5

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VMariaS [17]

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Step-by-step explanation:

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7 0
3 years ago
A set of pulleys is used to lift a piano with a mass of 102 kg. The piano is lifted 3 meters in 1 minutes. How much power is use
agasfer [191]

Answer:

50.031 watts

Step-by-step explanation:

Formula

Power = Force * distance / time

The units are critical

distance = meters

time = seconds

force = newtons = kg * m / s^2

Solution

F = m * a

a = 9.81

m = 102 kg

F = 102 * 9.81 = 1000.62 Newtons

T =  minute = 60 sec/min * 1 min

T = 60 seconds

d = 3 meters

Power = 1000.62 * 3 / 60

Power = 50.031

3 0
3 years ago
What is an equation of the line that passes through the points (-1, 6) and<br> (-1, -5)?
lawyer [7]

Answer:

x = -1

Step-by-step explanation:

Because the line passes through two points that both have the same x value, this means the line is vertical, and the slope is undefined.

So the equation of the line is x = -1.

5 0
3 years ago
A football team loses three yards on one play and six yards on another play. Write a sum of negative integers to represent this
Alex
-3-6=-9 yards losing 3 and losing 6 on two plays would be losing 9 plays in total -9
8 0
3 years ago
1. What would the value of the inverse of f(x) be if x=27? *
lara31 [8.8K]

Answer:

Y = 1/27x

Step-by-step explanation:

In order to find the inverse we switch places with x and y to get x = y27. In order to even out the equation, we divide both sides by 27 to get our answer. The answer would be y = x/27 or  y = (1/27)x.

Apologies if I'm incorrect.

4 0
4 years ago
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