Answer: 1 time
255 times 1 is 255. 255 plus 255 is 505. So only goes into 375 once.
An office will increase salary to its top 8% employees on the basis of a performance score the office created for each employee. The performance score is approximately normal with mean 82.5 and standard deviation 9.25. How high must an employee score in order to qualify for increase in the salary?
Answer:
An employee's score in order to qualify for increase in the salary must be higher than 95.45.
Step-by-step explanation:
Let X represent the performance score of employees.
It is provided that X follows a normal distribution with parameters μ = 82.5 and σ - 9.25.
It is provided that the office will increase salary of its top 8% employees on the basis of a performance score the office created for each employee.
That is, the probability to qualify for increase in the salary is,
P (X > x) = 0.08
⇒ P (X < x) = 0.92
⇒ P (Z < z) = 0.92
The corresponding z-value is,
z = 1.40
Compute the value of x as follows:
[tex]z=\frac{x-\mu}{\sigma}\\\\1.40=\frac{x-82.5}{9.25}\\\\x=82.5+(1.40\times 9.25)\\\\x=95.45[/tex]
Thus, an employee's score in order to qualify for increase in the salary must be higher than 95.45.
If 173 is a prime number, what must one of its factors be?
O 173
17
37
3
Answer:
173
Step-by-step explanation:
The factors are 173 and 1.
what is 1/4 mutipled by 2 1/2
Answer:
5/8
Step-by-step explanation:
Simplify the following:
(2 + 1/2)/4
Put 2 + 1/2 over the common denominator 2. 2 + 1/2 = (2×2)/2 + 1/2:
((2×2)/2 + 1/2)/4
2×2 = 4:
(4/2 + 1/2)/4
4/2 + 1/2 = (4 + 1)/2:
((4 + 1)/2)/4
4 + 1 = 5:
(5/2)/4
5/2×1/4 = 5/(2×4):
5/(2×4)
2×4 = 8:
Answer: 5/8
Darin in recorded the height of a tree planted from a seed at different time intervals.His data is shown in the table below
Answer: C
Step-by-step explanation:
Fourteen more than three times a number is sixty-seven.
Answer:
67 = 3n + 14
Step-by-step explanation:
So we know its going to equal 67, and 3 times a number is the same as 3n more than is to show addition. That means you are adding 14 to 3n.
That's why it would be,
14 + 3n = 67
Hope that helps and have a great day!
Answer:
8[tex]\frac{1}{3}[/tex]
Step-by-step explanation:
67 ÷ 3 - 14
22[tex]\frac{1}{3}[/tex] - 14
8[tex]\frac{1}{3}[/tex]
Hope this helps!
Have a nice day!
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Suppose the weather at Chebyshev Citadel is either sunny or cloudy. A sunny day is followed by a sunny day with probability 0.7, and a cloudy day is followed by a sunny day with probability 0.5. If it is sunny today, what is the probability that it will be sunny 3 days later
Answer:
0.628
Step-by-step explanation:
From the information given:
Let S represent sunny days and C represent cloudy days;
S is expressed in the matrix to be in the first row and first column
C is expressed in the matrix to be in the second row and second column
Then, the transition for the probability matrix can be computed as follows:
[tex]P = \right. \left[\begin{array}{cc}0.7&0.3\\0.5&0.5\\\end{array}\right][/tex]
[tex]P^2 = \right. \left[\begin{array}{cc}0.7&0.3\\0.5&0.5\\\end{array}\right] \right. \left[\begin{array}{cc}0.7&0.3\\0.5&0.5\\\end{array}\right][/tex]
[tex]P^2 = \right. \left[\begin{array}{cc}0.49+0.15&0.21+0.15\\0.35+0.25&0.15+0.25\\\end{array}\right] \right.[/tex]
[tex]P^2 = \right. \left[\begin{array}{cc}0.64&0.36\\0.60&0.40\\\end{array}\right] \right.[/tex]
[tex]P^3 = \right. \left[\begin{array}{cc}0.64&0.36\\0.60&0.40\\\end{array}\right] \right. \right. \left[\begin{array}{cc}0.7&0.3\\0.5&0.5\\\end{array}\right][/tex]
[tex]P^3 = \right. \left[\begin{array}{cc}0.628&0.372\\0.62&0.38\\\end{array}\right] \right.[/tex]
So, if it is sunny, the probability that it is going to be sunny 3 days later = 0.628
Using the transition of the events, it is found that there is a 0.628 = 62.8% probability that it will be sunny 3 days later.
The transition of events, considering that it is sunny today and we want it to be sunny 3 days later, is given by:
S - S - S - S
S - C - S - S
S - S - C - S
S - C - C - S
Considering the probabilities stated in the exercise(S - S: 0.7, S - C: 0.3, C - S: 0.5, C - C: 0.5), for the last three days, the probability is:
[tex]p = 0.7^3 + 0.3(0.5)(0.7) + 0.7(0.3)(0.5) + 0.3(0.5)(0.5) = 0.628[/tex]
0.628 = 62.8% probability that it will be sunny 3 days later.
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10
The following table shows Edward's bank account for the month of May.
Date
Deposit Withdrawal Balance
May 2nd
$1,000
$1,000
May 9th
$250
$750
May 10th
$320
$430
May 26th
$10
$
May 27th
$500
$
Determine the account balance on May 26th and May 27th.
How much were the net withdrawals for the month of May?
dollars.
Answer: 440 dollars and -60
Step-by-step explanation:
Add ten to 430 and you’ll get 440. With a withdrawal of 500 and a balance of 440, the answer will be a negative 60 dollars.
Write the equation of the line in slope-intercept form, if the slope is 12 and the point it passes through is (2,-4) *
A. y=12x+28
B.y=12x-28
C.y=12x-20
D.y=12x
What is the unit rate for $320 for 18 ft squared to the nearest hundredth?
What are the solutions to the equation (2x - 5)(3x – 1) = 0?
O x=-ž or x = -1
O ž
O x=b or x = 1
O x = 5 or x = 3
O x = 5 or x = 1
Step-by-step explanation:
6x²-2x-15x+5=0
6x²-17x+5=0
[tex]x = \frac{17 + - \sqrt{ {17}^{2} - 4 \times 6 \times 5 } }{2 \times 6} [/tex]
[tex]x = \frac{17 + - 13}{12} [/tex]
x1= 5/2 x2= 1/3
The solutions of the given equation (2x-5)(3x-1)=0 are x=5/2 or x=1/3.
The given equation is (2x-5)(3x-1)=0.
Here, 2x(3x-1)-5(3x-1)=0
6x²-2x-15x+5=0
6x²-17x+5=0
(2x-5)(3x-1)=0
(2x-5)=0 or (3x-1)=0
2x=5 or 3x=1
Solution of quadratic equations are x=5/2 or x=1/3
Therefore, the solutions of the given equation are x=5/2 or x=1/3.
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Which whole number property is repersebted
Answer:
Step-by-step explanation:
In mathematics, whole numbers are the basic counting numbers 0, 1, 2, 3, 4, 5, 6, … and so on. 17, 99, 267, 8107 ,and 999999999 are examples of whole numbers. Whole numbers include natural numbers that begin from 1 onwards. Whole numbers include positive integers along with 0.
A car is moving at an acceleration of 20 m/s^2 and hits a wall with a force of 400 N. What is the mass of the car?
i dont know the answer but i know in the end ill get free points.
Answer:
Acceleration = change in velocity/change in time, a = (vf - vi)/t [Units: m/s/s or m/s2] .. Example: A car collides with an insect. If the car exerts a force of 10N on the insect what ... a level sidewalk at a constant speed of 1m/s if the frictional force is 400N? ... d) When the stick is hit slowly string 2 breaks because of the inertia of mass M.
What is the slope passing through the lines (-2,-1) (5,-4)
Answer:
-3/7 or −0.428571428571
Step-by-step explanation:
subtract -4 - -1 and 5 - -2
y1 - x1 / y2 - x2
Convert 54 2/7 to a fraction in lowest term and please work the problem out for me so I can understand how you got the answer thank you
Answer: 19/35
1) Put it over 100.
(54 2/7)/100
2)Simplify
(54 2/7)/100 = 19/35
[tex]54(\frac{2}{7})[/tex]% can be converted into a fraction of [tex]\frac{19}{140}[/tex].
What is a fraction?"A fraction represents a part of a whole or, more generally, any number of equal parts."
The given percentage of the number is
[tex]= 54(\frac{2}{7})[/tex]%
[tex]= \frac{380}{(7)(100)}[/tex]
[tex]= \frac{19}{7(20)}[/tex]
[tex]= \frac{19}{140}[/tex]
Therefore, the required fraction is [tex]\frac{19}{140}[/tex]
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64 1 x dx 0 Maple Generated Plot At least one of the limits of integration is not finite. The integrand is not continuous on [0, 64]. Determine whether it diverges or converges. converges diverges Evaluate the integral if it converges. (If the quantity diverges, enter DIVERGES.) 7 Incorrect: Your answer is incorrect.
Answer:
hello your question is incomplete attached below is the complete question
answer : The Integrand converges
Step-by-step explanation:
attached below is the detailed solution to the problem
i) the integrand is not continuous on [ 0, 64 ] hence the integrand is improper
ii) determine if the integrand diverges or converges ( attached below )
The integrand is finite and it converges at 16
If, in a random sample of items, are defective, what is the sample proportion of defective items?
Complete Question:
If in a random sample of 400 items, 88 are defective, what is the sample proportion of defective items?
Answer:
22%
Step-by-step explanation:
Given
[tex]x = 88[/tex]
[tex]n = 400[/tex]
Required
Determine the sample proportion, p
p is calculated using the following formula
[tex]p = \frac{x}{n}[/tex]
Substitute values for x and n
[tex]p = \frac{88}{400}[/tex]
[tex]p = 0.22[/tex]
Convert to percentage
[tex]p = 0.22 * 100\%[/tex]
[tex]p = 22\%[/tex]
Hence, the proportion of defective items is 22%
And ice cream stand sold $1600 worth of ice cream on Saturday which was four times the amount sold on Friday how much money did the ice cream man collect on Friday no
Answer:
$400
Step-by-step explanation:
Saturday: $1600, 4 times the amount of Friday
Friday: 1/4 the amount of Saturday
Friday: 1/4 * $1600 = $400
A school district raises $7 a day by placing an ad on a school bus. If the ad runs 5 days a week for 39 weeks, how much money will the ad raise for the school district?
A$1,365
B$2,730
C$1,540
D$1,955
Answer:
It's probably 1,365
Step-by-step explanation:
I just had that question and when I found out no one answered then I guessed and it just said "wonderful!" so that's most likely the answer
IF YOU ANSWER THIS I WILL LOVE YOU FOREVER! Which expression is equivalent to this equation?
Answer:
It's either A or B but im not sure which one
Step-by-step explanation:
Study the area model.
Which multiplication equation could represent the area model?
5.03 x 2.02 = 10.16
3.05 * 2.02 = 6.16
2.2 x 5.3 = 11.66
2.2 x 3.5 = 7.7
In triangleJKL, If angle J is seven less than angle L and angle k is 21 less than twice angle l, find the measure
of each angle.
Answer:
J=35 K=63 L=42
Step-by-step explanation:
Write an equation in standard form for the line with a slope of 7 that passes through the point (1, 2).
Answer:
y=7x+2
please someone correct this if I'm wrong :D
EDIT: THIS IS SLOPE INTERCEPT FORM IM SORRYY
Step-by-step explanation:
y=mx+b
y=7x+b
y=7x+2
2 is the y in (1,2), y intercept
Solve for x.
4x + 2
62°
680
A) 6
C) -8
B) 12
D) 8
5. You buy a hot dog for $1.19 and a water for $0.65. Part A: What is the total price of your lunch? Part B: Use the grid below to model how much you spent:
Answer:
part A is 1.84
Step-by-step explanation:
Answer:
$1.84
Step-by-step explanation:
you line up the two items and add them together:
1
1 . 1 9
+ 0. 6 5
------------------
1 . 8 4
A manufacturer produced soda cans and a quality control worker randomly selects two cans from the assembly line for testing. Past statistics show that 8% of the cans are defective. What is the probability that the two cans are defective if the quality control worker selects the two cans from a batch of 50 cans?
Step-by-step explanation:
✔️✔️✔️✔️✔️✔️✔️✔️✔️✔️✔️✔️✔️✔️✔️✔️
A car is traveling at a constant speed.It travels 3 1/2 miles in 5 1/4 minutes. How many minutes will it take the car to travel 70 miles
Answer:
The answer is 122 1/2 minutes.
Step-by-step explanation:
I got this answer by first subtracting 5.25-3.50=1.75 and that was how many minutes it took per mile then I multiplied 1.75x70=122.50 to get my answer.
If my answer is wrong im sorry this is my first one on this site.
A triangle has side lengths measuring 20 cm, 5 cm, and n cm. Which describes the possible values of n?
0 5 < n < 15
x
O5
0 15
0 15 < n < 25
Answer: D 15 < n < 25
Jim earned $95 after working days. At this rate how many days will it take him to earn $285?
Answer:
3 days.
Step-by-step explanation:
All you need to do is take th amout you want to o have by the end of a period and divide it by hw much they make in one day.
What is the standard form of the equation of the circle in the graph
Answer:
the dot is the 0 rember dat
Step-by-step explanation:
Answer:it’s c
Step-by-step explanation:
the questions is c
What is 9.023 as a mixed number