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MakcuM [25]
2 years ago
11

The probability that an individual is left-handed is 0.16. in a class of 10 students, what is the mean and standard deviation of

the number of left-handers in the class?
Mathematics
1 answer:
34kurt2 years ago
6 0
0.16+678%-4635+(8886+253434+77)
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You drop a seashell into the ocean from a height of 40 feet. Write an equation that models the height h in feet) of the seashell
ANTONII [103]

Answer:

t=1.58 seconds

Explanation:

The equation which models the height <em>h</em><em> </em>of the seashell above water after t seconds

5 0
2 years ago
One catcher's mitt and 10 outfielder's gloves cost $239.50. How much does each item cost if 1 catcher's mitt and 5 outfielder's gl
seraphim [82]
Make an equation for each statement with x being catcher's mitts and y being outfielder's gloves.

x + 10y = 239.50       and        x + 5y = 134.50

Multiply the second equation through by -1 giving -x - 5y = -134.50

Combine the equations vertically

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-x   - 5y = -134.50

giving

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y = 21

Now substitute for y:
x + 10(21) = 239.50
x + 210 = 239.50
x = 29.50

Thus, Catchers mitts $29.50 and outfielder's gloves are $21
3 0
2 years ago
The perimeter of a rectangular flower garden is 80 m and its area is 375 m2. Find the length of the garden.
Umnica [9.8K]
The answer is 25m.
Height = 15
Length = 25
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5 0
2 years ago
Line jk passes through points j(-4,-5) and k(-6,3 if the equation of the lines is written in slope-intercept form,y=my+b what is
lidiya [134]
Written in 2-point form, the equation of the line is
  y = (y2-y1)/(x2-x1)·(x-x1) +y1
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The value of b is -21.

6 0
2 years ago
Kay has an 80% probability of making a free-throw in basketball, and each free-throw is independent. Kay gets to take 2 free-thr
brilliants [131]

Answer:

0.64

Step-by-step explanation:

Please refer to the attached image for explanations

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2 years ago
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