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Xelga [282]
3 years ago
15

In basketball, Shaquille makes 40% of his free throw attempts. He goes to the free throw line to shoot one-and-one (if he makes

the first shot, he gets to shoot one more). He scores 1 point per free throw. What is the expected value of the number of points he will score?
Mathematics
2 answers:
nirvana33 [79]3 years ago
8 0
This question is a little bit tricky. Anyway, the best answer to the question would be 2 points. The expected value of the number of points he will score would be two points in <em>every successful </em>free throw attempt he makes. It just has a probability of .40 - which means that ,say,  in 10 free throw shots, there's a tendency he will only make 4 of them.
zmey [24]3 years ago
3 0

Answer:

4 he makes 4 shots.

Step-by-step explanation:

if there are 40% and his shots equal 1 the answer is 4.

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Asif makes a cuboid of plasticine of sides 75cm, 35cm and 21cm. How many such cuboids will he need to form a cube?
algol [13]

Answer:

The number of cuboids that will be needed to form a cube is 2625 cuboids

Step-by-step explanation:

To form a cube, we have;

The length = The height = The depth

The dimensions of the given cuboid = Length = 75 cm, the width = 35 cm, the depth = 21 cm.

Therefore;

The lowest common multiple of 75, 35, and 21, for the cuboid is given as follows;

75 = 5 × 5 × 3

35 = 5 × 7

21 = 3 × 7

Therefore, multiplying 75 by 7, we get;

75 × 7 = 525

Since 7, 5 and 3 are factors of 525, 35 and 21, can also be factors as we check;

525/35 = 15

525/21 = 25

Therefore, the cube will be;

The length of the cube will consist of 7 pieces of the cuboid, arranged with the side 75 cm facing the front

The depth of the cuboid will be 15 cuboids with the side 35 cm facing the sides

The height of the cuboid will be 25 cuboids with the side 21 cm high

The total number of cuboids is therefore;

7 × 15 × 25 = 2625 cuboids

The number of cuboids that will be needed to form a cube = 2625 cuboids.

8 0
3 years ago
My'chael has read 120 pages, which is 45% of a book. How many<br> pages are in the book?
jonny [76]

Answer:

267 pages

Step-by-step explanation:

120 ÷ 0.45 = 267

7 0
2 years ago
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Which expression is equivalent to sq root 36/25
svp [43]
Is this multiple choice ? If so please list the answers
5 0
3 years ago
Marcos purchases a top-up card for his pre-paid cell phone. His remaining balance, B, can be modeled by the equation B=40−0.1n,
Molodets [167]

Answer:

Part a) When Marcos purchased the card, the balance on the card was $40

This is the B-intercept

Part b) Mark will have spoken 400 minutes when he runs out of money

This is the n-intercept

part c) The slope of the equation is -0.1 and the units are dollars per minute

Step-by-step explanation:

we have

B=40-0.1n

where

B is balance in dollars on the card

n is the number of minutes

Part a) How much money was on the card when he purchased it? $______. Which intercept is this? B-intercept or N-intercept?

we know that

The B-intercept is the value of B when the value of n is equal to zero

so

For n=0

substitute and find the value of B

B=40-0.1(0)=\$40

therefore

When Marcos purchased the card, the balance on the card was $40

This is the B-intercept

Part b) How many minutes will he have talked when he runs out of money? $_____. Which intercept is this? B-intercept or n-intercept ?

we know that

The n-intercept is the value of n when the value of B is equal to zero

so

For B=0

substitute and find the value of n

0=40-0.1n

0.1n=40

n=400\ minutes

therefore

Mark will have spoken 400 minutes when he runs out of money

This is the n-intercept

Part c) What is the slope of this equation?________ . What are the units on the slope? Minute , dollars per minute ,minutes per dollars or dollars ?

we have

B=40-0.1n

This is is the equation of the line into slope intercept form

m=-0.1\frac{\$}{minute} -----> slope of the equation

b=40 ------> the B-intercept

The units of the slope are dollars per minute

7 0
3 years ago
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SCORPION-xisa [38]

Answer:

What question do we answer?

Step-by-step explanation:

5 0
3 years ago
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