Answers
The proportion of the generated values that fall inside the range of each histogram bar is used to compute the vertical scale. The standard deviation is an indicator of how much the values in the data set typically deviate from the mean.
What is the difference between standard deviation and histogram?It always displays the median and the middle 50% of the data. For data displayed in histograms, a similar spread measurement is helpful. The term for it is the standard deviation. The standard deviation is an indicator of how much the values in the data set typically deviate from the mean.
The proportion of the generated values that fall inside the range of each histogram bar is used to compute the vertical scale. The sum of the bar heights is therefore one. Only discrete variables (right), where the histogram heights now total to unity, are suitable for relative frequency analysis.
A measurement of how far points deviate from the mean is the standard deviation. The first histogram includes fewer points that are close to the mean and more points that are distant from the mean (scores of 0, 1, 9, and 10). (scores of 4, 5 and 6). As a result, its standard deviation will be higher.
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Related Questions
You have 7/8 of a cup of tomato sauce. You must fill small containers with exactly 1/4 of a cup of tomato sauce How many containers can you fill completely?
Answers
Using division, If you have 7/8 of a cup of tomato sauce and you must fill small containers with exactly 1/4 of a cup of tomato sauce, then number of containers can fill completely is 3 containers
The total quantity of tomato sauce that you have = 7/8 of a cup
The quantity of tomato sauce with you must fill small containers = 1/4 of a cup
To find the number of containers that you can fill completely, you have to use division
Number of containers can fill completely = The total quantity of tomato sauce that you have / The quantity of tomato sauce with you must fill small containers
= 7/8 ÷ 1/4
= 7/8 × 1/4
= 7/2
= 3.5
≈ 3 containers
Hence, using division, if you have 7/8 of a cup of tomato sauce and you must fill small containers with exactly 1/4 of a cup of tomato sauce, then number of containers can fill completely is 3 containers
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What is the negation of "Everybody loves somebody sometime"
Answers
Answer:
Everybody hates somebody sometimes.
Or Not everybody loves somebody sometime
Step-by-step explanation:
the cost of 12 hot dogs and 8 fry portions is £52. The cost of 8 hot dogs and 12 fry portions is £48. What is the total cost of a hot dog and a portion of fries?
Answers
Answer:
Hot dogs cost £3 and fry's cost £2.
Total cost £5.
Step-by-step explanation:
Let a hot dog cost £x and a portion of fry's cost £y.
Then:
12x + 8y = 52
8x + 12y = 48
Simplifying these 2 equations we get:
3x + 2y = 13 ---------- (A)
2x + 3y = 12...............(B)
multiply the first equation by 2 and the second by 3:
6x + 4y = 26
6x + 9y = 36
Subtracting:
0 - 5y = -10
y = -10/-5 = 2.
Now, substituting in equation (A):
3x + 2(2) = 13
3x = 9
x = 3.
Sixth grade > FF.24 Surface area of pyramids 5XW
Science
1 yd
What is the surface area of this rectangular pyramid?
Submit
1 yd
1 yd
Answers
Surface Area of rectangular pyramid is lw + l√[(w ÷ 2)² + h²] + w√[(l ÷ 2)² + h²].
The area of a rectangular pyramid is equal to the sum of the areas of the sides and faces of the rectangular pyramid. A quadrilateral pyramid is a three-dimensional shape with only a rectangular base and triangles on either side of the base.
The area of the base of the rectangle is calculated by multiplying the length of the rectangle by the width of the rectangle.
The area of a rectangle with a pyramidal formula is determined by observing the width, length, and height of the base,
S.A. = lw + l√[(w ÷ 2)² + h²] + w√[(l ÷ 2)² + h²],
where l is the length of the bottom of the rectangle, w is the width of the bottom of the rectangle, and h is the height.
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Really need help solving this Struggling It’s from my trig prep book
Answers
Start making the graph of the situation
from this, we can understand that x is Coreys' initial distance, z is Coreys' final distance, and y will be how many feet had Corey to step back in order to gain a better view.
Using the red triangle we find x through the tan of the given angle
[tex]\begin{gathered} \tan \theta=\frac{op}{ad} \\ \tan 68=\frac{80}{x} \\ x=\frac{80}{\tan 68} \\ x\approx32.32 \end{gathered}[/tex]Using the blue triangle we find z through the tan of the given angle the same way as before
[tex]\begin{gathered} \tan \theta=\frac{op}{ad} \\ \tan 41=\frac{80}{z} \\ z=\frac{80}{\tan 41} \\ z\approx92.03 \end{gathered}[/tex]finally, find y as the difference between z and x
[tex]\begin{gathered} z=x+y \\ y=z-x \\ y=92.03-32.32 \\ y=59.71 \end{gathered}[/tex]Corey had to go back 59.71 ft to gain a better view.
Hello, I need some assistance with this homework question, please? This is for my precalculus homework. Q11
Answers
Explanation
The vertical asymptote
[tex]\begin{gathered} \mathrm{For\:rational\:functions,\:the\:vertical\:asymptotes\:are\:the\:undefined\:points,\:} \\ \mathrm{also\:known\:as\:the\:zeros\:of\:the\:denominator,\:of\:the\:simplified\:function.} \end{gathered}[/tex]for the given function
[tex]T(x)=\frac{x^3}{x^4-81}[/tex]According to the formula
The denominator will be undefined when
[tex]\begin{gathered} x^4-81=0 \\ x=\sqrt[4]{81} \\ x=3,\text{ x=-3} \\ x= \end{gathered}[/tex]The vertical asymptotes are
[tex]x=-3,3[/tex]For the horizontal function
[tex]\mathrm{If\:denominator's\:degree\:>\:numerator's\:degree,\:the\:horizontal\:asymptote\:is\:the\:x-axis:}\:y=0.[/tex]Since the denominator degree is higher than the numerator
Then
The horizontal asymptote is
[tex]y=0[/tex]For the oblique asymptote
Since the degree of the numerator is not one degree greater than the denominator, then there are no slant asymptotes.
There are no oblique asymptote
Select the correct answer from each drop-down menu. Consider parallelogram ABCD, where m∠ABC = 135° and the length of diagonal AC is 41 units. A parallelogram ABCD has two diagonals AC and BD, intersects each other at a point E inside it. The length of side AD is 35 units and length of side AB is 7 units. An arc is marked on angle B. Note: figure not drawn to scale Use the figure and given information to complete the statements. m∠BCD = ° The length of segment CD is units. The length of segment AE is units.
Answers
The length of segment CD is 7 units. The length of segment AE is 20.5 units. The m∠BCD is 45 degrees.
What is a parallelogram?A parallelogram is always a quadrilateral but a quadrilateral can or cannot be a parallelogram.
Given that parallelogram ABCD, has m∠ABC = 135° and the length of diagonal AC is 41 units.
The measure of length of side AD is 35 units and length of side AB is 7 units.
WE know that the opposite side of a parallelogram are same. Thus,
The length of segment CD = AB = 7 units.
Also, the length of diagonal AC = 41 units. Then;
The length of segment AE = 1/2 AC = 41/2 = 20.5 units.
Therefore, m∠BCD + m∠ABC = 180
m∠BCD + 135 = 180
m∠BCD = 180 - 135
m∠BCD = 45 degrees.
Hence, The length of segment CD is 7 units. The length of segment AE is 20.5 units. The m∠BCD is 45 degrees.
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Answer:
45
7
20.5
Step-by-step explanation:
I confused on this would be grateful if any one could help
Answers
Answer:
126
Step-by-step explanation:
a+b=d
9x being d, 4x being a and 70 being b
4x+70=9x
70=5x
x=14
9(14)=126
Help with part B please
Answers
a) The opposite of the numbers 3, 7.5, and -2(2/3) will be 0.33, 0.133, and -0.375.
b) The sum of the given number and its opposite will be 7.928.
What is an irrational number?It is defined as the numbers in all real numbers which cannot be represented as rational numbers, in other words, the irrational number cannot be expressed in the form of p/q form.
A rational number is a sort of real number that has the form p/q and does not equal zero.
The given number is as,
3, 7.5, and -2(2/3)
a)
The opposite number is obtained as 1 by dividing the given number,
⇒ 1 / 3 = 0.33
⇒ 1 / 7.5 = 0.133
⇒ 1 / -2(2/3) = -0.375
b)
The sum of the given number and its opposite is,
= 3+0.33 + 7.5 + 0.133+ (-2(2/3) ) + (-0.375)
= 7.928
Thus, the opposite of the numbers 3, 7.5, and -2(2/3) will be 0.33, 0.133, and -0.375.and the sum of the given number and its opposite will be 7.928.
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g(x) = x2 − 5x
h(x)= 4x + 4
Find (g ◦ h) (x)
Answers
Answer:
(g ◦ h) (x) = 16x² + 12x -4
Step-by-step explanation:
We have
g(x) = x² − 5x
h(x)= 4x + 4
(g ◦ h) (x) = g(h(x))
h(x) = 4x + 4
g(h(x)) = g(4x + 4)
= (4x + 4)² - 5(4x+4) //substitute 4x + 4 wherever there is an s-term in
(4x + 4)² = 16x² + 32x + 16
5(4x + 4) = 20x + 20
(4x + 4)² - 5(4x+4) = 16x² + 32x + 16 -(20x + 20)
= 16x² + 32x + 16 - 20x - 20
= 16x² +(32x - 20x) + (16-20)
= 16x² + 12x -4
Help , stuck on this one .
Answers
Answer:
D. -87 + 33i
Step-by-step explanation:
(7 + 5i)(-6 + 9i)
7(-6 + 9i) + 5i(-6 + 9i)
-42 + 63i + -30i + 45i²
-42 + 33i + 45(-1)
-42 + 33i - 45
-87 + 33i
I hope this helps!
An English instructor asserted that students' test grades are directly proportional to the amount of time spent studying. Lisa studies 6 hr for a particular test and gets a score of 74. At this rate, how many hours would she have had to study to get a score of 98?
Answers
Answer:
Step-by-step explanation:
Set up a proportion. x stands for hours that we need to find out.
[tex]\frac{6hrs}{74score} = \frac{xhrs}{98score}\\ 6(98)=74(x)\\588= 74x\\588/74=x\\8=x[/tex]
**the answer was 7.9 BUT I rounded it to 8.
Lisa would need to study for 8 hours to get a score of 98.
luke ran 3/4 as much as much as he did on thursday then he did on wendsday how many miles did luke run on thrurday
Answers
The number of miles that Luke ran on Thursday will be 3 miles.
How to calculate the fraction?From the information given, it was illustrated that Luke ran 4 miles on Wednesday and then ran 3/4 as much as much as he did on Thursday.
It should be noted that the distance that he ran on Thursday will be:
= 3/4 × Distance on Wednesday
= 3/4 × 4
= 3 miles.
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Luke ran 4 miles on Wednesday. Luke ran 3/4 as much as much as he did on thursday than he did on wendsday how many miles did luke run on thrurday
Find the slope of the line that passes through the following points: (5,4) (-2,0)
Answers
Answer: slope = 4/7
Step-by-step explanation:
you can plug the coordinates into the slope formula. y2 - y2/x2 -x1.
You drive 3 hours to reach the waterpark. Driving home along the same route, you increase your
speed by 20 miles per hour, reducing your drive time by 1 hour. Write and solve an equation to find
how fast you were driving to the waterpark.
Answers
The initial speed to the waterpark is 40 miles/hr.
The return speed is 60 miles/hr.
How to find the speed?
Given,
t = 3hr
Return speed = s +20m
Return time = 3 -1 = 2hrs
Solution:
s = d/t
s = d/3
d = 3s----1
s + 20 = d/t - 1
s + 20 = d/3-1
s + 20 = d/2
2s + 40 = d------2
Equating equations 1 and 2,
3s = 2s + 40
s = 40 miles/hr
The initial speed to the waterpark is 40 miles/hr.
Return speed = s +20
= 40+20
= 60 miles/hr
The return speed is 60 miles/hr.
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if you have x - 4 and subtract 1 / 4 x + 5 from it the result is
Answers
Answer
(3x/4) - 9
[tex]\frac{3x}{4}-9[/tex]Explanation
We are told to subtract (¼x + 5) from (x - 4)
We just simply do this step by step
(x - 4) - (¼x + 5)
[tex]\begin{gathered} (x-4)-(\frac{1}{4}x+5) \\ =x-4-\frac{1}{4}x-5 \\ =x-\frac{x}{4}-4-5 \\ =\frac{4x}{4}-\frac{x}{4}-9 \\ =\frac{4x-x}{4}-9 \\ =\frac{3x}{4}-9 \end{gathered}[/tex]Hope this Helps!!!
Solve for r: S= 4 pie r^2
Answers
we have
S= 4*(pi)*r^2
solve for r
That means ------> isolate the variable r
step 1
Divide by 4*(pi) both sides
so
S/(4*pi)=r^2
step 2
Square root both sides
so
[tex]\begin{gathered} r=\sqrt[]{\frac{S}{4\pi}} \\ \text{simplify} \\ r=\frac{1}{2}\sqrt[]{\frac{S}{\pi}} \end{gathered}[/tex]What is the value of this expression when x = -6 and y= 1/2 ?
4(x2 + 3) − 2y
Answers
Answer: -37
Step-by-step explanation:
helpppp plsssssssss
..........................................
Answers
Answer:
D. An infinite number of real solutions
Step-by-step explanation:
3(2x + 1) = 2(3x + 5) - 7
6x + 3 = 6x + 10 - 7
6x + 3 = 6x + 3
I hope this helps!
please help asap!!! will appreciate it
Answers
H=16.4
Step-by-step explanation:
1.2x4=4.8
3.9x4=15.6
so
4.1x4=16.4
The company with the common equity accounts shown here has declared a stock dividend of 20 percent at a time when the market value of its stock is $30 per share. Common stock ($1 par value) $ 460,000 Capital surplus 861,000 Retained earnings 3,870,800 Total owners' equity $ 5,191,800 What would be the number of shares outstanding, after the distribution of the stock dividend? (Do not round intermediate calculations.)
Answers
1110800. Equity Account will be after stock dividends
What is stock dividend ?Similar to a cash dividend, however instead of cash, stocks are given out. A stock dividend will increase the number of shares outstanding while lowering the stock price.
In this issue, there are 460000 shares outstanding at a price of $30, which equals 13800000
Equity's total market value is $13800000.
Each shareholder will get a 20% increase in stock, and the number of existing shares will increase as a result of the 20% stock dividend.
Shares outstanding after dividend announcement total 460000 + 46000 ×20% =552000.
The number of outstanding common shares will rise to 552000 as a result of the issuance of 92000 more shares.
Common stock only contains the par value; for example, if the market price of a share is $30 and the par value is $1, the excess amount of $29×92000:2668000 is added to the capital surplus account. It will total 861000 + 2668000=3529000.
Due to the absence of any monetary transactions, the total owners' equity is unaltered.
The retained earnings will be decreased by 92000 × 30 = 2760000, resulting in 3870800 – 2760000=1110800.
Equity Account will be after stock dividends.
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what is the rate if the base is 244 and the portion 50
Answers
SOLUTION
Step1:Write out the formula
[tex]\frac{\text{portion}}{base}=\frac{rate\text{ }}{100}[/tex]Step2; write out the parameters
[tex]\begin{gathered} portion=50 \\ \text{Base}=244 \end{gathered}[/tex]Step3: Substitute into the formula and simplify
[tex]\frac{50}{244}=\frac{rate}{100}[/tex]Step4: simplify the expression above
[tex]\begin{gathered} \text{ Multiply both side by 244} \\ \text{rate}\times244=100\times50 \\ \text{then} \\ \text{ Rate=}\frac{100\times50}{244} \end{gathered}[/tex]Then the rate becomes
[tex]20.49\text{ }[/tex]Therefore the rate is 20.49
the retail price of a television set is $4500. if the buyer pays cash, the price 10% below the retail price. if the set is bought on hire purchasr, the buyer pays a downpayment of $675 and 24 monthly instalments of $212.50.(a) Determine the difference between the hire purchase price and the cash price.(b) Calculate the difference as a percentage of the retail price.
Answers
Data:
Retail price: $4500
Pays cash: -10%
hire purshast: $675 + 24(212.50)
-----------------------------------
The cash price is: $40501. Find the 10% of 4500:
[tex]4500\cdot\frac{10}{100}=450[/tex]2. Substract the 10% to the retail price:
[tex]4500-450=4050[/tex]-------------------------------------
Hire purchase price is: $57751. Add 675 and (24*212.50):
[tex]\begin{gathered} 675+(24\cdot212.50) \\ =675+5100 \\ =5775 \end{gathered}[/tex]-----------------------------------------
Difference between hire purchase and cash price is: $1725[tex]5775-4050=1725[/tex]----------------------------
Difference as a percentage of the retail price is: 38.33%As the retail price 4500 is 100% which percent is 1725:
[tex]1725\cdot\frac{100}{4500}=38.33[/tex]Postage Stamp A square postage stamp has area 1,260 mm². About how long is each side?
Answers
Answer: 35.9166 mm (the square root of 1290)
Step-by-step explanation:
What is twelve hundredths as a fraction
Answers
ANSWER
[tex]\frac{12}{100}[/tex]EXPLANATION
Now, imagine you are to divide something into 100 equal sections;
the 12th section of those sections is the twelve hundredths.
To represent this as a fraction we have 12/100.
Hence, the twelve hundredths as a fraction is 12/100.
I am doing principle rate and time and trying to figure out how to find out what the missing number is whether it be rate time or principle
Answers
Generally, the equation representing the simple interest on a deposited amount is;
[tex]I\text{ = }\frac{PRT}{100}[/tex]where ;
I is the simple interest
R is the rate
T is the time
We have other varaints of this formula, depending on the term missing
All we have to is to make the missing term the subject of the equation and input the other given values to get the missing term
We can have the variants of this formula as follows
a) Missing Principal
[tex]P\text{ = }\frac{100I}{RT}[/tex]b) Missing Rate
[tex]R\text{ = }\frac{100I}{PT}[/tex]c) Missing Time
[tex]T\text{ = }\frac{100I}{PR}[/tex]A function has X-intercept 4 and y-intercept 2. name two other points on the graph of this function. Please explain thoroughly on how to find another point.
Answers
Solution
For this case we have the following:
x intercept 4: (4,0)
y intercept 2: (0,2)
Then we can find the slope like this:
[tex]m=\frac{2-0}{0-4}=-\frac{1}{2}[/tex]then the equation is given by:
y= -1/2 x+ 2
and we can use x= 1 and we have y= 3/2
x= 2 , y= 1
Then two other points could be:
(1,3/2) and (2,1)
simplify the expression. Write the answer using scientific notation. (4x10^8) ^-2
Answers
Given:
[tex](4\times10^8)^{-2}[/tex]Aim:
We need to write the given expression in scientific notation.
Explanation:
[tex]Use\text{ \lparen a}\times b)^n=a^n\times b^n.[/tex][tex](4\times10^8)^{-2}=4^{-2}\times(10^8)^{-2}[/tex][tex]Use\text{ \lparen a}^n)^m=a^{n\times m}.[/tex][tex](4\times10^8)^{-2}=4^{-2}\times10^{-16}[/tex][tex]Use\text{ a}^{-n}=\frac{1}{a^n}[/tex][tex](4\times10^8)^{-2}=\frac{1}{4^2}\times10^{-16}[/tex][tex](4\times10^8)^{-2}=\frac{1}{16}\times10^{-16}[/tex][tex](4\times10^8)^{-2}=0.0625\times10^{-16}[/tex][tex]Use\text{ -16=2-18.}[/tex][tex](4\times10^8)^{-2}=0.0625\times10^{2-18}[/tex][tex](4\times10^8)^{-2}=0.0625\times100\times10^{-18}[/tex][tex](4\times10^8)^{-2}=6.25\times10^{-18}[/tex]Final answer:
[tex](4\times10^8)^{-2}=6.25\times10^{-18}[/tex]a woman can hike 2mph faster down a trail to Archuletta Lake then she can on the return trip uphill. it takes her 2 hours to get to the lake and 4 hours to return. what is her speed hacking down to the late?
Answers
Answer:
4 mph
Explanation :
Let us call x, the woman speed as she goes uphill
Now, we know that it took the woman 2 hours to go uphill; therefore, the distance covered is
4* (x)
shortly afterwards, when the woman returns she is walking at x + 2 mph; therefore, the distance she covers is
D = 4 (x +2 )
Since the uphill and the downhill distances ar the same, we have
4x = 2 (x +2 )
4x = 2x + 4
x = 2
Hence, going to the hill, the woman speed is 2 miles per goo
Complete the work to solve for y7 (22y + 5) - 13 = 2 4 - 1 + 101/4 + 2 - 1/2 = 1 4 - 1 + you
Answers
Answer:
11/2
Explanation:
Given:
To find:
The value of y
So we have;
[tex]\frac{11}{5}=\frac{2}{5}y[/tex]Let's go ahead and apply the Division property of equality by dividing both sides of the equation by 2/5;
[tex]\begin{gathered} \frac{\frac{11}{5}}{\frac{2}{5}}=\frac{\frac{2}{5}}{\frac{2}{5}}y \\ \frac{11}{5}\div\frac{2}{5}=y \\ \frac{11}{5}*\frac{5}{2}=y \\ \frac{11}{2}=y \\ \therefore y=\frac{11}{2} \end{gathered}[/tex]So the value of y is 11/2