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Mumz [18]
3 years ago
10

Which expression has a negative value?

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
6 0

for both of the problems on the picture I got the answer of 5, neither of the questions have a negative value

GrogVix [38]3 years ago
3 0

Answer:

7+(3(-4)2

Step-by-step explanation:

Let us calculate each one of them

1. -5(7+(-14))-30

= -5(7-14)-30

= -5(-7)-30

=35-30

=5

2. (15-7)-(9÷3)

= (8)-(3)

=5

3. -2[12÷(-3)]

  = -2[-4]

 = 8

4. 7+3(-4)(2)

 = 7+(-24)

= -17

Hence only forth option is negative value

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3 0
2 years ago
Read 2 more answers
A rectangular prism has volume 4,800 cubic yards, length 20 yards, and height 40 yards. Find its width, in yards.​
Oksi-84 [34.3K]

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Step-by-step explanation:

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3 years ago
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2 years ago
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A basketball player has made 6060​% of his foul shots during the season. Assume the shots are independent. ​
motikmotik

Answer:

a) 2.5 shots

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c) 4.87 shots

Step-by-step explanation:

Probability of making the shot = 0.6

Probability of missing the shot = 0.4

a) The expected number of shots until the player misses is given by:

E(X) = \frac{1}{P(X)}=\frac{1}{0.4}  \\E(X) = 2.5\ shots

The expected number of shots until the first miss is 2.5

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E=99*0.6\\E=59.4\ shots

He is expected to make 59.4 shots

c) Let "p" be the proportion shots that the player make, the standard deviation for n = 99 shots is:

s=\sqrt{n*p*(1-p)}\\ s= 4.87\ shots

The standard deviation is 4.87 shots.

7 0
2 years ago
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