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mash [69]
2 years ago
8

The price of an item yesterday was $60. today, the price rose to $129. Find the percentage increase​

Mathematics
1 answer:
rjkz [21]2 years ago
8 0

Answer:

115% increase.

Step-by-step explanation:

129 - 60 = 69 / 60 = 1.15

1.15 x 100 = 115

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

Answer:

a) 2.5 shots

b) 59.4 shots

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

b) The expected number of shots made in 99 attempts is:

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
A line passes through the points (0,3), (4,1) and (6,0). Which function best represents the relationship between the two points?
Veronika [31]

Answer:

<em>y = - </em>\frac{1}{2}<em> x + 3 </em>

Step-by-step explanation:

y = mx + b

m = \frac{y_{2} -y_{1} }{x_{2} -x_{1} } and "b" is y-intercept with coordinates (0, b)

(0, 3) ⇒ <u><em>b = 3</em></u>

(4, 1), (6, 0)

m = \frac{0-1}{6-4} = - \frac{1}{2}

<em>y = - </em>\frac{1}{2}<em> x + 3</em>

8 0
2 years ago
How much do you need to subtract from 41/6 to make 6
Wewaii [24]

Answer:

5/6

Step-by-step explanation:

41/6 - 5/6 = 36/6

36/6 = 6

PLEASE MARK ME AS BRAINIEST ANSWER

7 0
3 years ago
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What is the probability of obtaining a sample mean of 53 or less from a sample of 50​?
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8 0
3 years ago
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