Answer:
2/3
Step-by-step explanation:
1/4 ÷ 3/8 = 1/4 x 8/3 = 8/12 = 2/3
Answer:
2/3
Step-by-step explanation:
to divide make sure to use the reciprocal of the 3/8 which is
1/4*8/3
reduce the numbers with the greatest common factor divisor of 4
8/4=2 then 1*3 equals 3 which is 2/3
so it is 2/3
PLEASE ANSWER ASASP FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
Where is the Q?
Step-by-step explanation:
Answer: 9
Step-by-step explanation:
.....................help
9514 1404 393
Answer:
-0004.00
Step-by-step explanation:
The segment has a "rise" of -4 units for the "run" of 1 unit between x=2 and x=3. Then the slope is ...
slope = rise/run = -4/1 = -4
Which expression is equivalent to 3(8 + 7)
Answer:
24+21
Step-by-step explanation:
24+21
Hope you got your answer
STATISTICS
When you write questions for a survey, it is important to be sure that the questions are not biased. That is, the questions should not assume anything or influence the answers. The following two questionnaires are designed to find out what kind of books your classmates like and what they like to do in the summer. The first questionnaire uses biased questions. The second questionnaire uses questions that are not biased.
Survey I
A. What mystery novel is your favorite?
B. What TV programs do you like to watch in the summer?
Survey 2
A. What kind of books do you like to read?
B. What do you like to do in the summer?
Check It Out
1. Why is A in Survey 1 biased?
2. Why is B in Survey 2 better than B in Survey 1?
3. Write a question that asks the same thing as the following question but is not biased: Are you an interesting person who reads a lot of books?
|X+1|+|x-2|=3. Can you please help me?
Answer:
I can answer if you make me brainliest
what is the output of the function when the input is −3
It depends on the function. Please add a picture or type your function.
The weight, X, of cherry tomatoes selected at random from a very large bin at the local supermarket follows a Normal distribution with mean 3 oz. and standard deviation 2 oz. Suppose we pick 8 cherry tomatoes from the bin at random (independently) and put them in our bag. What is the probability that exactly 5 of the 8 cherry tomatoes weigh less than 4 oz (rounded to the nearest 0.01)?
Answer: the probability that exactly 5 of the 8 cherry tomatoes weigh less than 4 oz is 0.05
Step-by-step explanation:
Given that;
X has normal distribution has mean µ = 3
standard deviation σ = 2
now
P( x< 4) = P( (x-µ)/σ /(3-4)/5)
= P( z < -0.5 )
= 0.3085 {from the z-table}
X has binomial distribution with n = 8 and p = 0.3085
so P(x=5)
P(x=5) = 8C₅(0.3085)⁵ (1 - 0.3085)⁸⁻⁵
= 0.0517 ≈ 0.05
Therefore the probability that exactly 5 of the 8 cherry tomatoes weigh less than 4 oz is 0.05
The Kroger Company is one of the largest grocery retailers in the United States, over 2000 grocery stores across the country. Kroger uses an online customer questionnaire to obtain performance data about its products and services and about what motivates its customers (Kroger website, April 2012). In the Kroger customers were asked if they would be willing to pay more for had each of the following four characteristics. The four questions were: pay more forproducts that have a brand name?products that are environmentally friendly?products that are organic?products that have been recommended by others?For each question, the customers had the option of responding Yes if they or No if they would not pay more.a. Are the data collected by Kroger in this example categorical orb. What measurement scale is used?
Answer:
A) Categorical
B) Nominal
Step-by-step explanation:
As we can see from the data that the question only had two answers i-e Yes or no so therefore they were categorical rather than quantitative in which he would have asked the user for how much money they were willing to pay more.
It's nominal because he asked in terms of more or less rather than some specific number
If
m
�
�
⌢
=
5
4
∘
m
GT
⌢
=54
∘
and
m
�
�
⌢
=
16
0
∘
m
YC
⌢
=160
∘
, find
m
∠
�
m∠W.
Answer:
∠ W = 53°
Step-by-step explanation:
the measure of the secant- secant angle W is half the difference of the measures of the intercepted arcs , that is
∠ W = \(\frac{1}{2}\) (YC - GT) = \(\frac{1}{2}\) (160 - 54)° = \(\frac{1}{2}\) × 106° = 53°
Determine the graph that represents a function. On a coordinate plane, a circle is shown that crosses the x-axis at (negative 5, 0), the y-axis at (0, 5), the x-axis at (5, 0), and the y-axis at (0, negative 5). On a coordinate plane, a parabola opens to the left. It crosses the y-axis at (0, 3) and (0, negative 3), and the x-axis at (9, 0). On a coordinate plane, a straight line with a positive slope crosses the y-axis at (0, negative 2) and the x-axis at (1.2, 0).
Answer: The graph that represents a function is the parabola that opens to the left.
This can be determined by the following characteristics of the graph:
It is a parabola because it opens to the left and has a vertex on the y-axis.
It crosses the y-axis at (0, 3) and (0, negative 3), which means that it is symmetric about the y-axis, and also it crosses the x-axis at (9, 0) which means that it is a function.
A circle is not a function because, for any value of x, there are two different values of y that can be plotted on the graph (i.e. the point (5,0) and (-5,0) produce two different y values)
A straight line with a positive slope is not a function because, for any value of x, there is only one value of y that can be plotted on the graph.
So the parabola is the graph that represents a function.
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
Solve the given proportion X/4 = 3/6 X=
Answer:
X/4=3/6
Start off by cross multiplying the tops and bottoms, so X/4=3/6 turns into 6X=12. Now divide by 6 on both sides.
6X=12 X=2
Answer:
2
Step-by-step explanation:
Cross Multiple and Divide
X. 3
----. = ----
4. 6
So what you want to do is multiply diagonally:
(6)(X) = 6X
(3)(4) = 12
Now that we have our two answers, we put an equal sign between them.
6X = 12
Now to get X alone. Since it's being multiplied by 6, you want to do the opposite and divide.
So remember to divide on both sides to get rid of the 6.
6X divided by 6 is just X.
12 divided by 6 is 2
We got our answers, put the equal sign in-between
X = 2
Solve for y.
d = 5x + 5y
d=5x
5
O y = 5(d - 5x)
Oy =
0y = d-Sx
X
Oy=
5x-d
5
An airplane flies at 500 mph with a direction of 135° relative to the air. The plane experiences a wind that blows 60 mph with a direction of 60°.Write each of the vectors in linear form. Show all necessary calculations.
By definition of vectors in linear form, the velocity of the airplane relative to the air and the wind are 500 · (cos 135° \(\hat {i}\) + sin 135° \(\hat {j}\)) miles per hour and 60 · (cos 60° \(\hat{i}\) + sin 60° \(\hat {j}\)) miles per hour.
How to represent vectors in the form of linear combinations
Vectors are featured both by magnitude (r) and direction (θ), linear combination form of a vector is introduced below:
\(\vec v\) = r · (cos θ \(\hat {i}\) + sin θ \(\hat {j}\))
Where \(\hat {i}\) and \(\hat {j}\) represent orthogonal axes.
Now we proceed to describe each vector, one for the velocity of the airplane and other for the velocity of the wind, both mathematically and graphically:
Airplane's speed relative to the air (in miles per hour)
\(\vec u\) = 500 · (cos 135° \(\hat {i}\) + sin 135° \(\hat {j}\))
Wind's speed (in miles per hour)
\(\vec w\) = 60 · (cos 60° \(\hat{i}\) + sin 60° \(\hat {j}\))
The velocity of the airplane relative to the air and the wind are 500 · (cos 135° \(\hat {i}\) + sin 135° \(\hat {j}\)) mi / h and 60 · (cos 60° \(\hat{i}\) + sin 60° \(\hat {j}\)) mi / h.
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Identify each dot plot as skewed right, skewed left, or symmetric.
Answer:
the first one is skewed right the second one is skewed left and the last one is symmetrical.
Step-by-step explanation:
Simplify the following expression.
(2x + 5) + (3x2 + 7x + 3)
Answer:
3x^2 + 9x + 8
Step-by-step explanation:
2x+5+3x^2+7x+3
2x+5+3x^2+7x+3
(3x^2)+(2x+7x)+ (5+3)
3x^2+9x+8
A quiz consists of 3 true-or-false questions and 2 multiple choice questions. The multiple choice questions have 4 options each.
How many ways can a student complete the quiz?
Answer:
3 ways
by reading the question
understand the question
and answer
Add. 7 hours 53 minutes + 5 hours 18 minutes
Answer:
13.1833333 hours
Step-by-step explanation:
Answer:
13 hours 11 minutes.
Step-by-step explanation:
Adding the hours we get
7 + 5 = 12 hours
Adding the minutes:
= 53 + 18
= 71 minutes
= 1 hours 11 minutes
So the answer is
13 hours 11 minutes.
Next number in this series is? 2 2 1/2 1 1/2 2
First, let's figure out the pattern that this series follows. We can see that the first number is increased by 1/2 to get to 2 1/2. Then, the second number is decreased by 1 to get to 1 1/2. Finally, the pattern repeats.
So, let's apply this pattern to find the next number in this series.
2, 2 1/2, 1 1/2, 2, 1
The next number in this series is 1.
Hope this helps!! :)
Michael's mom loves Bright Scents candles. A 4-inch candle will burn for 8 hours. Michael bought his mom a 10-inch candle for Mother's Day.
If Bright Scents candles all burn at the same rate, how many hours will the 10-inch candle burn?
Answer:
Step-by-step explanation:
Angela took a general aptitude test and scored in the 90th percentile for aptitude in accounting. (a) What percentage of the scores were at or below her score? % (b) What percentage were above?
Answer:
Step-by-step explanation:
From the given information;
Angela took a general aptitude test and scored in the 90th percentile for aptitude in accounting.
What percentage of the scores were at or below her score?
The percentage of scores that were at or below her score is
Percentage P = 90%
This benchmark is more than average, so we can typically say more of the scores were at or below her score
What percentage were above?
Since The percentage of scores that were at or below her score is
Percentage P = 90%
Then the percentage of the scores that were above will be : (100 -90)%
= 10 %
We can see here that less percentage of score were above Angela's Score.
Solve the equation by first subtracting 2/3 from each side
3x + 2/3 =7 5/6
The solution to the equation is x = 2 7/18
How to determine the solution to the equationFrom the question, we have the following parameters that can be used in our computation:
3x + 2/3 =7 5/6
Solve the equation by first subtracting 2/3 from each side
So, we have
3x = 7 1/6
Divide both sides of the equation by 3
This gives
x = 2 7/18
Hence, the solution is 2 7/18
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A bag contains 10 green,8 blue, and 2 white balls. Naomi seclets 2 balls from the bag at random, one at a time, without replacing them. What is the probability that she selects all two white balls?
E.) 2/95
F.) 1/95
G.) 1/190
H.) 1/380
To find the probability that Naomi selects both white balls, we need to consider the total number of possible outcomes and the number of favorable outcomes.
Total number of outcomes:
Naomi selects 2 balls without replacement, so the total number of outcomes is the number of ways she can choose 2 balls out of the total number of balls in the bag. This can be calculated using combinations:
Total outcomes = C(20, 2) = (20!)/(2!(20-2)!) = (20 * 19)/(2 * 1) = 190
Number of favorable outcomes:
Naomi needs to select 2 white balls. There are 2 white balls in the bag, so the number of favorable outcomes is the number of ways she can choose 2 white balls out of the 2 white balls in the bag:
Favorable outcomes = C(2, 2) = 1
Probability = Favorable outcomes / Total outcomes = 1/190
Therefore, the correct answer is (G) 1/190.
write an equation in slope intercept form that passes through the given point and is perpendicular to the graph of given equation (1,-2) y=5x+4
The equation of the line perpendicular to y = 5x + 4, passing through the point (1, -2), is y = (-1/5)x - 9/5.
To find an equation in slope-intercept form that passes through the point (1, -2) and is perpendicular to the given equation y = 5x + 4, we need to determine the slope of the perpendicular line.
The given equation y = 5x + 4 is already in slope-intercept form (y = mx + b), where m represents the slope. In this case, the slope of the given line is 5.
To find the slope of a line perpendicular to this, we use the fact that the product of the slopes of two perpendicular lines is -1. So, the slope of the perpendicular line can be found by taking the negative reciprocal of the slope of the given line.
The negative reciprocal of 5 is -1/5.
Now that we have the slope (-1/5) and a point (1, -2), we can use the point-slope form of the equation:
y - y1 = m(x - x1)
Substituting the values:
y - (-2) = (-1/5)(x - 1)
Simplifying:
y + 2 = (-1/5)(x - 1)
To convert the equation into slope-intercept form (y = mx + b), we need to simplify it further:
y + 2 = (-1/5)x + 1/5
Subtracting 2 from both sides:
y = (-1/5)x + 1/5 - 2
Combining the constants:
y = (-1/5)x - 9/5
Therefore, the equation of the line perpendicular to y = 5x + 4, passing through the point (1, -2), is y = (-1/5)x - 9/5.
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When 1370 subjects were asked, "On how many days in the past 7 days have you felt lonely?" the mean was 1.5 and the standard deviation was 2.16. The margin of error for a 95% confidence interval for the population mean is 0.12. Construct that confidence interval, and interpret it. The confidence interval goes from nothing to nothing. (Round to two decimal places as needed.)
Answer:
Confidence Interval = (1.41, 1.59)
Step-by-step explanation:
To construct a confidence interval for the population mean, we can use the following formula:
Confidence Interval = sample mean ± (margin of error * standard error)
where the standard error is equal to the standard deviation divided by the square root of the sample size.
Given the information provided, we can calculate the standard error as:
standard error = 2.16 / sqrt(1370) = 0.058
Then, we can calculate the margin of error as 0.12.
Substituting these values into the formula, we get:
Confidence Interval = 1.5 ± (0.12 * 0.058)
Confidence Interval = (1.41, 1.59)
Therefore, we can interpret the 95% confidence interval as follows: we are 95% confident that the true population mean of the number of days that people feel lonely in the past 7 days is between 1.41 and 1.59. This means that if we were to take many samples of 1370 subjects and compute the confidence intervals for each sample using the same method, we would expect about 95% of the intervals to contain the true population mean.
Two sides of a triangle have lengths 18m and 23m. Describe the possible length of the thired side
The possible length of the third side will be values that are less than 41 and greater than 5
Triangular theoremFor three sides to be the sides of a triangle, the sum of any two sides of the triangle must be greater than the third.
Given the two sides of a triangle have lengths 18m and 23m, the sum of the sides is given as:
sum = 18 + 23
Sum = 41
Let the third side be x, such that;
x + 18 >23
23 + x > 18
x > 23 - 18
x > 5
Similarly
x > -5
Hence the possible length of the third side will be values that are less than 41 and greater than 5
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determine what type of model bets fits the given situation: A $500 raise in salary each year
The type of model that best fits the situation of a $500 raise in salary each year is a linear model.
In a linear model, the dependent variable changes a constant amount for constant increments of the independent variable.
In the given case, the dependent variable is the salary and the independent variable is the year.
You may build a table to show that for increments of 1 year the increments of the salary is $500:
Year Salary Change in year Change in salary
2010 A - -
2011 A + 500 2011 - 2010 = 1 A + 500 - 500 = 500
2012 A + 1,000 2012 - 2011 = 1 A + 1,000 - (A + 500) = 500
So, you can see that every year the salary increases the same amount ($500).
In general, a linear model is represented by the general equation y = mx + b, where x is the change of y per unit change of x, and b is the initial value (y-intercept).
In this case, m = $500 and b is the starting salary: y = 500x + b.
Kelly bought 302 sheets of stickers. Each sheet had 13 stickers. She gave away 808 stickers to her friends. How many stickers does Kelly have remaining?
Answer:
3118 stickers left
Step-by-step explanation:
302(sheets)
* 13(stickers)
3926(how many she has in total)
- 808(how many she gave away)
3118 (how may Kelly has remaining)
help me please
thank you
The domain is (2,4,6,8,10,12,14) and range is (8,6,4,2,0,2,4).
What is domain and range?The domain of a function refers to the set of values that we are allowed to enter into our function.
The set of values that a function can accept as input is known as its range. Once we enter an x value, the function returns this list of values , the y values are these.
The range and domain must be understood to be all the values that the variable y can represent, respectively, and the x values.
Since the ordered pairs have the form (x,y), we can determine the values of x and y.
The x and y values of function are:
F(x,y) = (2,8), (4,6), (6,4), (8,2), (10,0), (12,2), (14,4)
Domain (x) = (2,4,6,8,10,12,14)
Range (y) = (8,6,4,2,0,2,4)
.
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Judi Salem opened a law office on July 1, 2022. On July 31, the balances in the accounts were as follows: Cash $5,000, Accounts Receivable $1,500, Supplies $500, Equipment $6,000, Accounts Payable $4,200, and Owner’s Capital $8,800. During August, the following transactions occurred.
1. Collected $1,200 of accounts receivable.
2. Paid $2,800 cash on accounts payable.
3. Recognized revenues of $7,500 of which $3,000 is collected in cash and the balance is due in September.
4. Purchased additional equipment for $2,000, paying $400 in cash and the balance on account.
5. Paid salaries $2,500, rent for August $900, and advertising expenses $400.
6. Withdrew $700 in cash for personal use.
7. Received $2,000 from Standard Federal Bank—money borrowed on a note payable.
8. Incurred utility expenses for month on account $270.
Step-by-step explanation:
what is that called into the comet or ok
Find the volume for this problem ?
\(x^{2}\)Answer:628.31 ft
Step-by-step explanation:
v=\(\pi\)r^2h
v=(3.14159)(5)^2(8)
v=628.31