Answer:
10
Step-by-step explanation:
There are 5 colors of equal area.
Green is 1 color out of the 5.
p(green) = 1/5
Predicted number of green in 50 spins:
1/5 × 50 = 10
Answer: 10
Choose the ratio below that is equivalent to the greatest fraction.
A. 5:3
B8:4
C. 2:7
D 9:5
The ratio that is equivalent to the greatest fraction is B. 8:4.
What is a ratio?A ratio is a relative size or value contained in another quantity. It is computed as the quotient of the smaller and larger values.
Ratios are fractional values, which we can depict as fractions, decimals, or percentages.
Ratios are also depicted using the ratio symbol (:), describing the numerical relationship between two or more values or variables.
Ratio 5:3The sum of ratios = 8
5/8 = 0.625
Ratio 8/4The sum of ratios = 12
8/12 = 0.67
Ratio 2:7The sum of ratios = 9
2/9 = 0.22
Ratio 9:5The sum of ratios = 14
9/14 = 0.64
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heyyyy someone help me with this
Answer:
1. 1 hour per day
2. sorry i don't know the answer
Step-by-step explanation:
7hours 30minutes - 1hour 30minutes = 6hours
6 divided by 6 = 1hour
The figure at right shows a parallelogram PQRS, three whose vertices are P= (0,0), Q (a,b) and S= (c,d). You can also see that TRUP is a rectangle. All of your expressions should be in terms of a,b,c, and d.
Find the coordinates of R.
"The coordinates of R are (a, b)."The coordinates of point R in the parallelogram PQRS are (a, b), where a is the x-coordinate of point Q and b is the y-coordinate of point Q.
To find the coordinates of point R, we can use the fact that PQRS is a parallelogram. Since PQRS is a parallelogram, opposite sides are parallel and equal in length.
Given that P = (0, 0), Q = (a, b), and S = (c, d), we can determine the coordinates of R using the fact that opposite sides of a parallelogram are parallel. The opposite side of PS is QR.
The x-coordinate of R is obtained by adding the x-coordinate of Q (a) to the x-coordinate of P (0). So, the x-coordinate of R is a + 0 = a.
Similarly, the y-coordinate of R is obtained by adding the y-coordinate of Q (b) to the y-coordinate of P (0). So, the y-coordinate of R is b + 0 = b.
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When a function is evaluated with a zero, it represents:
-the initial amount or starting point before a certain time.
-the initial amount or starting point.
-the initial amount or starting pint after a certain time
Answer: the initial amount or starting point.
Step-by-step explanation:
Find the area of this triangle if
C = 138°, a = 16, and b = 7.
A
B•
[? square
units
Round to the nearest tenth.
Enter
38.1 units^2
Step-by-step explanation:
you can use the formula: 1/2(ab)(sin c)
plug it in: 1/2(16*7)(sin 138)
simplify: 57sin138
plug it into your calculator: 38.1 (rounded)
If you found this answer helpful, I would appreciate if you gave me the brainliest award :D.
Answer:
37.5
Step-by-step explanation:
For acellus
According to a Human Resources report, a worker in the industrial countries spends on average 419 minutes a day on the job. Suppose the standard deviation of time spent on the job is 31 minutes.
a. If the distribution of time spent on the job is approximately bell shaped, between what two times would 68% of the figures be?
enter an appropriate value to enter an appropriate value
b. If the distribution of time spent on the job is approximately bell shaped, between what two times would 95% of the figures be?
enter an appropriate value to enter an appropriate value
c. If the distribution of time spent on the job is approximately bell shaped, between what two times would 99.7% of the figures be?
enter an appropriate value to enter an appropriate value
d. If the shape of the distribution of times is unknown, approximately what percentage of the times would be between 359 and 479 minutes?
enter percentages rounded to 1 decimal place % (Round the intermediate values to 3 decimal places. Round your answer to 1 decimal place.)
e. Suppose a worker spent 400 minutes on the job. What would that worker’s z score be, and what would it tell the researcher?
z score = enter the z score rounded to 3 decimal places (Round your answer to 3 decimal places.)
This worker is in the lower half of workers but within select an option standard deviation of the mean.
Answer:
A) Between 388 and 450
B) Between 357 and 481
C) Between 326 and 512
D) 99.995%
E) 72.907%
Step-by-step explanation:
We are given;
Mean; x¯ = 419 minutes
Standard deviation; σ = 31 minutes
A) From the empirical rule, 68% falls within 1 standard deviation.
Thus, it will be between;
419 - 1(31) and 419 + 1(31)
Thus gives;
Between 388 and 450
B) From the empirical rule, 95% falls within 2 standard deviation.
Thus, it will be between;
419 - 2(31) and 419 + 2(31)
Thus gives;
Between 357 and 481
C) From the empirical rule, 99.7% falls within 2 standard deviations.
Thus, it will be between;
419 - 3(31) and 419 + 3(31)
Thus;
Between 326 and 512
D)between 359 and 479 minutes, we will use z-s roe formula;
z = (479 - 359)/31
z = 3.871
From the z-table attached, we see that the probability is 0.99995 and as such, the percentage is 99.995%
E) worker spent 400 minutes on the job.
Thus;
z = (419 - 400)/31
z = 0.613
From z-tables, p = 0.72907
In percentage, we have; 72.907%
What is the equation of the red line graphed below?
From the given graph, let's find the equation of the red line.
Take two points on the red line:
(-3, 2) and (-4, -1)
Apply the slope intercept form of a linear equation:
y = mx + b
Where m is the slope and b is the y-intercept.
To find the slope, apply the slope formula below:
\(m=\frac{y2-y1}{x2-x1}\)Where:
(x1, y1) ==> (-3, 2)
(x2, y2) ==> (-4, -1)
Thus, we have:
\(\begin{gathered} m=\frac{-1-2}{-4-(-3)} \\ \\ m=\frac{-1-2}{-4+3} \\ \\ m=-\frac{3}{-1} \\ \\ m=3 \end{gathered}\)The slope(m) of the line is 3
Substitute m for 3 in the slope intercept equation:
y = 3x + b
To find the y-intercept(b), take one point on the line and substitute the values for x and y.
Let's take the point: (-3, 2)
We have:
y = 3x + b
2 = 3(-3) + b
2 = -9 + b
Add 9 to both sides of the equation:
2 + 9 = -9 + 9 + b
11 = b
b = 11
Therefore, the equation of the red line is:
y = 3x + 11
ANSWER:
y = 3x + 11
the prime factorization of a number is 2 to the power of 3 x 3 to the power of 2 x5 wich statement is true about these factors?
Answer:
Fifteen is a factor of the number because both 3 and 5 are prime factors.
Step-by-step explanation:
2^3 * 3^2 * 5
= 2 * 2 * 2 * 3 * 3 * 5
As you can see from, the prime factors are 2, 3, and 5.
3 × 5 = 15, option A is correct.
Answer:
3 × 5 = 15, option A is correct.
add on sc alawad2003
Answer:
Mkay?
Step-by-step explanation:
I need to know about the fraction for this question
Answer: the fraction is 4over 12
Step-by-step explanation:
first you multiply the top and bottom number then u divide the number by the bottom.
Answer:
1/2
Step-by-step explanation:
If you were to multiply 1/2 by -50 you would get -25, which is greater than -50.
The same goes for 1/5, if you were to multiply 1/5 by -50, you would get -10.
Another example is 1/10 times -50, that would be -5.
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Write in expanded form. Use parentheses to indicate multiplication.
(2r)^5
Answer:
(2xr) x 5
Step-by-step explanation:
Whatever r is you multiply 2 by that then you multiply whatever 2xr is by 5. Another question is that is there a sign between the (2r) and the 5? If not then ignore the sentence before.
47,52,57,62
what's next?
Answer:
67,72,77, etc.
Step-by-step explanation:
You just add 5 each time to your number.
Answer:
67,72,77,82,87,92,97,102,107
Step-by-step explanation:
you add 5 each number
I need 23 questions answered
The surface area of a rectangular prism is 48 5/6 mi².
How to calculate the surface area of a rectangular prism?In Mathematics and Geometry, the surface area of a rectangular prism can be calculated and determined by using this mathematical equation or formula:
Surface area of a rectangular prism = 2(LH + LW + WH)
Where:
L represents the length of a rectangular prism.W represents the width of a rectangular prism.H represents the height of a rectangular prism.By substituting the given side lengths into the formula for the surface area of a rectangular prism, we have the following;
Surface area of rectangular prism = 2[6 × 2 1/3 + (1 1/4 × 6) + (1 1/4 × 2 1 /3)]
Surface area of rectangular prism = 2[14 + 15/2 + 35/12]
Surface area of rectangular prism = 48 5/6 mi².
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55-4.5+12 what is the anwer for this
445.76×9.634 is approximately equal to
Answer:
Step-by-step explanation:
It sounds like you are asked to estimate it. That's a very valuable skill.
9.634 is about 10
445.76 is about 446
So an approximate answer is 446 * 10 = 4460
How close is that to the actual answer? Let's find out.4294.45
On a test, if you get an answer like 4460 in your head, and your calculator says 4294.45, you are pretty certain that you have done the question correctly.
Find the product using formula ... formula = ( a + b ) ( a - b ) a) 1.2 × 2.8
Step-by-step explanation:
1.2 × 2.8
(2 - 0.8 )(2 + 0.8)
2² - (0.8)²
4 - 0.64
3.36
1.2×2.8
= (2-0.8)(2+0.8)
= (2)^2 - (0.8)^2
= 4 - 0.64
= 3.36
Answer:3.36
Hope it helps.
Do comment if you have any query
1) James needs to obtain $80,000 for his daughter's future college tuition. He is looking to invest in an
account that pays 3.1% annual interest. The account compounds quarterly. How much money would
James have to invest today so that 15 years from now, he will have the money?
Answer:
$ 50,340.97
Step-by-step explanation:
From the above question, we can deduce that we are to find the Initial amount invested which is also called the Principal.
The formula to find Principal in a compound interest question is:
P = A / (1 + r/n)^nt
Where:
A = Total Amount obtained after invested = $80,000
r = Interest rate = 3.1% = 0.031
n = number of times interest in compounded = Quarterly = 4
t = time in years = 15
P = $80,000/(1 + 0.031/4)^4 × 15
P = $80,000/(1 +0.00775)^60
P = $ 50,340.97
Hence, James would have to invest $50,340.97 today to have $80,000 in 15 years.
in a data set consisting of 30 positive integers, the minimum value is 13. the number 6 is added to the original set to create a set of 31 positive integers. which of the following measures must be 7 greater for the new data set than for the original data set?
a. The mean
b. The median
c. The range
d. The standard deviation
The mean, median, range, and standard deviation for the new data set must all be 7 greater than for the original data set.
The mean is the sum of all the values divided by the number of values. Adding the number 6 to the original data set of 30 positive integers increases the sum of all the values by 6, which means the mean for the new data set must be 7 greater than the mean for the original data set.
The formula for the mean is: Mean = (Sum of Values)/(Number of Values)
For the original data set: Mean = (Sum of Values)/30
For the new data set: Mean = (Sum of Values + 6)/31
Therefore, the mean for the new data set must be 7 greater than the mean for the original data set.
The median is the middle value in a set of data. Adding the number 6 to the original data set of 30 positive integers increases the total number of values to 31, which means the median is calculated differently for the new data set than the original data set. The median for the new data set must be 7 greater than the median for the original data set.
The formula for the median is: Median = (n+1)/2
For the original data set: Median = (30+1)/2 = 15.5
For the new data set: Median = (31+1)/2 = 16.5
Therefore, the median for the new data set must be 7 greater than the median for the original data set.
The range is calculated by subtracting the smallest value from the largest value in a data set. Adding the number 6 to the original data set of 30 positive integers increases the largest value by 6, which means the range for the new data set must be 7 greater than the range for the original data set.
The formula for the range is: Range = (Largest Value) - (Smallest Value)
For the original data set: Range = (Largest Value) - 13
For the new data set: Range = (Largest Value + 6) - 13
Therefore, the range for the new data set must be 7 greater than the range for the original data set.
The standard deviation is a measure of how spread out the values in a data set are. Adding the number 6 to the original data set of 30 positive integers increases the total number of values by 1, which means the standard deviation for the new data set must be 7 greater than the standard deviation for the original data set.
The formula for the standard deviation is: Standard Deviation = √ (Sum of (Values - Mean)2 / Number of Values)
For the original data set: Standard Deviation = √ (Sum of (Values - Mean)2 / 30)
For the new data set: Standard Deviation = √ (Sum of (Values - Mean)2 / 31)
Therefore, the standard deviation for the new data set must be 7 greater than the standard deviation for the original data set.
The mean, median, range, and standard deviation for the new data set must all be 7 greater than for the original data set
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Finde the value of x in the proportion ( 5x+ 1 ):3 =(2x +2): 7(6 x) = (4x) :7
In the proportion (5x + 1):3 = (2x + 2):7, the value of x is -1/29.
In the proportion (6x):(4x) = 7, there is no value of x that satisfies the proportion.
To find the value of x in the given proportions, let's solve them one by one:
(5x + 1) : 3 = (2x + 2) : 7
To solve this proportion, we can cross-multiply:
7(5x + 1) = 3(2x + 2)
35x + 7 = 6x + 6
Subtracting 6x from both sides and subtracting 7 from both sides:
35x - 6x = 6 - 7
29x = -1
Dividing both sides by 29:
x = -1/29
Therefore, the value of x in the first proportion is -1/29.
(6x) : (4x) = 7
To solve this proportion, we can simplify the left side:
6x / 4x = 7
Dividing both sides by 2x:
3/2 = 7
This equation is not true, as 3/2 is not equal to 7.
Therefore, there is no value of x that satisfies the second proportion.
In summary, the value of x in the proportion (5x + 1) : 3 = (2x + 2) : 7 is -1/29, and there is no value of x that satisfies the proportion (6x) : (4x) = 7.
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Signed numbers
I need help ASAP
Answer:
Step-by-step explanation:
Which fraction is larger: -3/4 or –2/4
Answer:3/4
Step-by-step explanation: If you weigh a brick at 2/4 lbs, it will weigh less than a brick that weighs 3/4
the athletics department paid $1,417.50 for all the dinners at the spring sports banquet. If each dinner cost $13.50,how many were purchased?
Answer:
105 dinners were bought
Step-by-step explanation:
if you divid the total by the cost of one dinner it gives you how many dinners were bought!
Area of
rectangle with a length of 4 units and width of 13
Answer:
52 squared units
Step-by-step explanation:
Area = L x W. And always put squared and whatever the unit is, in this case, squared units.
john has just opened a savings account at sugar land united bank with a $250 deposit. he plans to deposit $50 into his savings account twice a month. which equation best represents the problem if y represents the total amount of money in his savings account and x represents the number of months John has been saving money?
a. y = 250 + 50x
b. y = 50x - 250
c. y = 100x + 250
d. y = 100x - 25
Answer:
the answer is c my good sir or mam
A Triangle has a height that is half of 28 yards and an area of 56 yards^2. What is the length of the base of the trangle?
The length of the base of the triangle is 8 yards whose height is half of 28 yards.
What is triangle?A triangle is a two-dimensional geometric shape that is formed by three straight lines that connect three non-collinear points. These three lines are called the sides of the triangle, and the points where the sides meet are called the vertices of the triangle.
According to question:The following formula provides the area of a triangle:
Area = (1/2) x base x height
We are given that the height of the triangle is half of 28 yards, which is:
height = 1/2 x 28 = 14 yards
We are also given that the area of the triangle is 56 square yards. Substituting these values into the formula for the area, we get:
56 = (1/2) x base x 14
Simplifying this equation, we get:
56 = 7 x base
Dividing both sides by 7, we get:
base = 8
Therefore, the length of the base of the triangle is 8 yards.
The vertices are typically denoted by letters, such as A, B, and C. The three angles formed by the sides are also part of the triangle.
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You created a playlist, and 100 of your friends listened to it and shared if they
liked it or not. Mario said the ratio of the number of people who liked the playlist
to the number of people who did not like the playlist is 75:25. Lila said that for
every three people who liked the playlist, one person did not. Do they agree? *
Answer:
its yes
Step-by-step explanation:
A baker would like to store 12 and 3/4 pounds of flour in containers that each hold 3 1/2 pounds of flour. How many containers will the baker need? Explain by completing the equation.
Answer:
4
Step-by-step explanation:
Because he has to store it all and not all would fit in the third container.
how to solve this separable differential equation?
The solution to the differential equation \(2^{\sqrt{x}}\frac{dy}{dx} = cosce(ln(y))\) is,
\(\frac{y sin(ln(y))}{2} - \frac{y cos(ln(y))}{2} = C - \frac{2 ln(2) \sqrt{x} + 2}{ln^2(2)2^{\sqrt{x}}}\).
What is a differential equation?Any equation with at least one ordinary or partial derivative of an unknown function is referred to as a differential equation.
The given differential equation is \(2^{\sqrt{x}}\frac{dy}{dx} = cosce(ln(y))\).
Now, multiplying both sides by dx we,
\(2^{\sqrt{x}}dy = cosce(ln(y))dx\).
Dividing both sides by \(2^{\sqrt{x}}\) we have,
\(sin(ln(y))dy = \frac{dx}{2^{\sqrt{x}}}\).
\(\[ \int sin(ln(y))dy = \int \frac{dx}{2^{\sqrt{x}}}\).
\(\frac{y sin(ln(y))}{2} - \frac{y cos(ln(y))}{2} = C - \frac{2 ln(2) \sqrt{x} + 2}{ln^2(2)2^{\sqrt{x}}}\).
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Given the equation y = 2 csc(7π/4x-21π/2)
The horizontal shift is:
units to the Select an answer (right or left)
The exact period (give as an integer or fraction) is:
The horizontal shift is to the right.
The exact period is 8/7.
How to find the the horizontal shiftIn a trigonometric function, written of the form
y = A csc (Bx - C)
the parameters are interpreted as follows
A is the amplitude
B is period / 2π
C is the horizontal shift
comparing with the equation y = 2 csc (7π/4x - 21π/2). we have that
horizontal shift = -21π/2 since it is positive it is to the right
The exact period is
Period = 2π / (7π/4)
= 8/7
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can someone plz help with my math?!?!
Answer:
a) Plan B cost more, and $6
b) Plan B cost less according to long calls
Step-by-step explanation:
As you can see that at 175 minutes used(per month) Plan A is $14 and Plan B is $20. So Plan B cost more but the difference between then is 20 - 14 = 6. For the second question: They cost the same at 250 minutes used(per month) and Plan B since the line is flat and the price is the same for all minutes