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rjkz [21]
3 years ago
9

My friend needs your help

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0

Answer:

I can't make a graph, but you would start by putting a point at -1 on the Y axis, then plot the rest of the points by going up 4, and over 7 from the original point you plotted

Step-by-step explanation:

I hope you can make sense of that

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The scores on a final exam were approximately normally distributed with a mean of 82 and a standard deviation of 11. If 85 stude
Savatey [412]

In this case, we can use the z statistic to find for the proportion of students who failed the exam. The formula for z score is given as:

t = (x – u) / s

where,

x = the sample score = 60

u = sample score mean = 82

s = standard deviation = 11

Substituting all given values into the equation:

t = (60 – 82) / 11

t = - 2

 

Based from the standard proportion distribution tables for z, this corresponds to:

P = 0.0228

This means that 2.28% of the students failed the exam or equivalent to:

failed students = (0.0228) * 85 = 1.938

<span>approximately 2 students failed the exam</span>

6 0
3 years ago
Read 2 more answers
2. Classify the triangle as acute, obtuse, or right. Use the sides, 9,40,41, and decide what
Dafna1 [17]
The answer is
b. acute triangle
8 0
3 years ago
Please questions 6,7 and 8
Aleksandr-060686 [28]

I think 6 is 36/100 I'm not real sure if that's the answer your looking for but if you divide it that's what you get
3 0
4 years ago
What will the height of the firework be 3 seconds after the launch? How many seconds after the launch will it take for the firew
ICE Princess25 [194]

Answer:

524m

Step-by-step explanation:

3 0
3 years ago
Suppose that the local sales tax rate is 6.25% and you purchased a used car for $16,800. What is the car’s total cost?
Tanzania [10]
Total= Car Cost + (Car Cost * Tax %)

Total= $16,800 + ($16,800 * 6.25%)
convert % to decimal form; divide % by 100

Total= $16,800 + ($16,800 * 0.0625)
multiply inside parentheses

Total= $16,800 + $1,050

Total= $17,850


ANSWER: The total cost for the used car with tax is $17,850.

Hopd this helps! :)
7 0
4 years ago
Read 2 more answers
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