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Rina8888 [55]
3 years ago
7

Graph with a line going through points zero comma two point five and four comma two point five.

Mathematics
1 answer:
german3 years ago
7 0
(0,2.5)(4,2.5)...u will notice that the y's are the same.....that means this is a horizontal line and y will always be 2.5.

so u want a perpendicular line...going through (3,-1)...a perpendicular line would be a vertical line...and a vertical line is represented by x = a number...so look at ur points (3,-1)....what number is in the x spot ? It is 3.....so ur perpendicular line is : x = 3
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7x-7-2x-2+3x-12=8x-21
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8 0
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The data set shows the number of practice free throws players in a basketball competition made and the number of free throws the
Mila [183]

Answer-

The exponential model best fits the data set.

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Using Excel, Linear, Quadratic and Exponential regression model were generated.

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Linear Regression  

Quadratic Regression

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5 0
3 years ago
A banks loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviati
Alona [7]

Answer:

2.87%

Step-by-step explanation:

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mean (m) = 200

standard deviation (sd) = 50

sample size = n = 40

the probability that their mean is above 21.5 is determined as follows:

P (x> 21.5) = P [(x - m) / (sd / n ^ (1/2))> (21.5 - 200) / (50/40 ^ (1/2))]

P (x> 21.5) = P (z> -22.57)

this value is very strange, therefore I suggest that it is not 21.5 but 215, therefore it would be:

P (x> 215) = P [(x - m) / (sd / n ^ (1/2))> (215 - 200) / (50/40 ^ (1/2))]

P (x> 215) = P (z> 1.897)

P (x> 215) = 1 - P (z <1.897)

We look for this value in the attached table of z and we have to:

P (x> 215) = 1 - 0.9713 (attached table)

P (x> 215) =.0287

Therefore the probability is approximately 2.87%

4 0
3 years ago
Can you help me please​
Inessa05 [86]

Answer: x = 483

21 times 23 is 483

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Step-by-step explanation:

3 0
3 years ago
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malfutka [58]

Answer:

Step-by-step explanation:

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1). 6 + 6y = 6 + 6(5) = 36              6y - 6 = 6(5) - 6 = 24

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Therefore, (6 + 6y) is equivalent to 6(y + 1)

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4 0
2 years ago
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