Answer:
Mean = 125.136
Median = 110
Mode = 180
Step-by-step explanation:
Given the data:
75 95 180 136 89 75 110 180 100 136 180 95 180 136 75 100 110 180 180 136 75 90
Frequency distribution:
Value(X) ___freq (F) ____cumm frequency
85 _________ 4 _______ 4
89 _________ 1 _______5
90 __________1 _______6
95 __________2 ______ 8
100 _________ 2 ______10
110 __________2______ 12
136 __________4 _____ 16
180 __________6______22
2) Using the frequency distribution :
Mean = Σfx / Σf
[(85*4) + (89*1) + (90*1) + (95*2) + (100*2) + (110*2) + (136*4) + (180*6)]/ 10
= 2753 / 22
= $125.136
Median of grouped data :
Frequency + 1 / 2 = 23/2 = 11.5 th term
The median value = $110
Mode of the data:
Most frequently occurring = 180 (frequency of 6)
The mean of the frequency distribution is $125.136, the median of the frequency distribution is $110, and the mode of the frequency distribution is $180.
Given :
Jack wants to buy a pair of name-brand headphones on a popular auction website.He enters the brand, make, and model number and searches the site for what is available. He notices that some headphones are being offered as "buy now" with a fixed price and others are up for bid in auctions.a) The frequency distribution is given below:
Prices Frequency Cumulative Frequency
85 4 4
89 1 5
90 1 6
95 2 8
100 2 10
110 2 12
136 4 16
180 6 22
b) The mean is calculated as:
[tex]\rm Mean = \dfrac{85\times4 + 89\times1 +90\times1 +95\times 2+100\times2 +110\times2 +136\times4 +180\times6 }{10}[/tex]
Simplify the above expression.
Mean = $125.136
c) The median of the frequency distribution is calculated as:
[tex]\rm Term= Frequency + \dfrac{1}{2}=11.5[/tex]
So, the median is $110.
The mode of the frequency distribution is $180.
For more information, refer to the link given below:
https://brainly.com/question/4393505
“X000” means what? Please explain
Answer:
If your talking about texting ,then this means hugs and kisses
Step-by-step explanation:
1. Yearly membership with the online music club costs $48. Members pay $0.99 per song to download music. Nonmembers may download songs for $1.29 each.
Answer:
160 musics
Step-by-step explanation:
let the total amount/charges be y
let the number of musics be x
For members total
y=48+0.99x-------1
For non-members total
y=1.29x-------------2
we are expected to solve for the number of music where members and non members get to pay the same amount
equating 1 and 2 we have
48+0.99x=1.29x
48=1.29x-0.99x
48= 0.3x
x=48/0.3
x=160 musics
a bricklayer stacks bricks in 2 rows with 10 bricks each in each row on top of each row there is a stack of 6 bricks how many bricks are there in total
Let me see.
Row 1 = 10 bricks
Row 2 = 10 bricks
On top of each row there are 6 bricks.
Two rows times 6 bricks per row is 12 bricks.
Total = 20 + 12 or 32 bricks.
Help me out please an thank
Multi-step equations
20) -5(1 - 5x) + 5(-8x - 2) = -4x - 8x
(1) The point R is halfway between the -6 and -5 on the number line below and represents the number ____. (Use the hyphen for negative numbers and write the answer as a decimal, such as -6.4).
Answer:
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
Step-by-step explanation:
Solve the system of equations.
y = 7x + 43
y = 2x + 13
a. (-6, 1)
b. (6, -1)
C. (6, 1)
d No solution
Please select the best answer from the choices provided
A
B
Ο Ο Ο Ο
С
Answer:
A,(‒6,1)
Step-by-step explanation:
y=7x+43
y=2x+13
(choose one equation &multiply by ‒1 to be y=0)
‒y=‒7x‒43
y=2x+13
0=‒5x‒30
we got the equation this (‒5x‒30=0) now we can solve x
‒5x‒30=0
‒5x=30
‒5x/‒5=30/‒5
x=‒6 (now we got the value of x, then we will find tge value of y by substitute )
y=2x+13
y=2(‒6)+13
y=‒12+13
y=1
therefore the pairs will be (‒6,1)
i hope my answer is clear
Emmy was at her swim meet. They were practicing their laps around the pool when one of her friends decides everyone should have a competition. There were two groups competing against each other, Emmys group and Lacey’s group. In the middle of the game they had to stop because it was time to go home. The goal was for one team to get 60 points. The total number of points that were earned from both groups was 53 points. Emmys group had 26 points. Find out what is the number of points that Lacey’s group earned.
Answer:
27
Step-by-step explanation:
27 is the answer cause 53-26=27 and 26+27=53
the length of a rectangle is y. the width of the rectangle is (3x+1). what is an expression for the area of the rectangle?
x² – 7
y=
X+6
Calculate the value of y given x= -2
Answer:
y=0
Step-by-step explanation:
4-7y=-2+6
4-7y=4
-7y=0
y=0
what is the distance between (-8,5) and (-1,5)
Answer:
7 units
Step-by-step explanation:
(see attached for reference)
given two points (x₁, y₁) and (x₂, y₂), the formula for distance between two points is given as
Distance, D = √( (x₂-x₁)² + (y₂-y₁)² )
in our case, we are given
(x₁, y₁) = (-8,5)
(x₂, y₂) = (-1,5)
simply substitute the values into the equation above:
D = √( (x₂-x₁)² + (y₂-y₁)² )
= √{ [ (-1)-(-8) ]² + (5-5)² }
= √{ [ (-1 + 8) ]² + (0)² }
= √[ (7) ² ]
= 7 units (answer)
which of the binomials below is a factor of this trinomial?
Answer:
i think its B. correct me if im wrong
Step-by-step explanation:
We want to factor the following expression:
16x4 – (y - 1)
We can factor the expression as (U+V)(U - V) where U and V are either constant integers or single-variable expressions.
What are U and V?
Answer:
Answer: U = 4x^2 and V=y-1
factored : (4x^2+y-1)(4x^2-y+1
Step-by-step explanation:
The value of U and V are 4x² and (y-1) respectively and the factor of the expression is (4x² + (y-1)) and (4x² + (y+1)) option (C) is correct.
What is an expression?It is defined as the combination of constants and variables with mathematical operators.
The question is incomplete.
The complete question is in the picture, please refer to the attached picture.
We want to factor in the following expression:
16x⁴-(y-1)²
We can factor the expression as (U+V)(U-V) where U and V are either constant integers or single-variable expressions.
1) What are U and V?
2)Factor the expression.
We have an expression:
= 16x⁴-(y-1)²
or
= (4x²)²-(y-1)²
Using the identity:
a² - b² = (a + b)(a- b)
(4x²)²-(y-1)² = (4x² + (y-1))(4x² + (y+1))
The value of U = 4x²
V = (y-1)
The factor of the expression is:
(4x² + (y-1)) and (4x² + (y+1))
Thus, the value of U and V are 4x² and (y-1) respectively and the factor of the expression is (4x² + (y-1)) and (4x² + (y+1))
Learn more about the expression here:
brainly.com/question/14083225
#SPJ2
help me with this please
Answer:
26
Step-by-step explanation:
square root of 81 is 9, 9*2 is 18, square root of 64 is 8, 18+8 is 26
Answer:
26
Step-by-step explanation:
2(square root of 81)+square root of 64
2(9)+8=
18+8=
26
State the minimum monthly income and hourly wage per worker needed to cover monthly expenses for the family you used in part a. Then, explain how to calculate the hourly wage based on the monthly income and state the hourly wage. Assume that each full-time worker works four 40-hour work weeks per month, and each part-time worker works two 40-hour weeks per month.
HOUSING $1,386
FOOD $804
CHILD CARE $1,709
Transportation $1,235
HEALTH CARE $908
OTHER NECESSITIES $884
TAXES $1,483
Monthly Total $8,409
Annual Total $100,909
Answer:
these teachers b expectin u to do this bs
Step-by-step explanation:
A line is given by the equation y=x+2. Determine which of the following points belong to this line: M(0, 2),N(1, 3), A(−1, 1), B(−4.7, −2.7), C(−2 1 2 , 1 2 ).
Answer:
A(-1, 1)
Step-by-step explanation:
Answer:
M,N,A,B
Step-by-step explanation:
all the points above satisfy the given eqn
eg, A(-1,1)
y=x+2,x=-1
y=-1+2
y=1 but C doesn't satisfy the eqn (-2 1/2,1/2)
y= -2 1/2 +2
y= -1/2
Consider the equation −3+(−9.25)+m=0 .
Let's solve your equation step-by-step.
−3−9.25+m=0
Step 1: Simplify both sides of the equation.
−3−9.25+m=0
−3+−9.25+m=0
(m)+(−3+−9.25)=0(Combine Like Terms)
m+−12.25=0
m−12.25=0
Step 2: Add 12.25 to both sides.
m−12.25+12.25=0+12.25
m=12.25
Answer:
m=12.25
Question 2 (1 point)
Identify which of the following situations does not represent
causation:
Ob
Kryptonite causes Superman to lose all his powers.
Temperatures of less than 32°F cause water to freeze.
Umbrellas cause rainstorms.
Stepping on the gas pedal causes a car to move faster.
Ос
Od
Next Page
Once you click Next Page you will not be able to change your answer
Type here to search
e
-)
Answer:
Umbrellas cause rainstorms.
Step-by-step explanation:
Due to all the others being correct, that means this is incorrrect, there are no umbrellas that cause rainstorms.
A rectangular rug has an area of 31.5 square feet. If the rug is 7 feet wide,
what is the length of the rug?
Area = length x width)
Answer:
the length of the rug would be 4.5 feet
Step-by-step explanation:
15. *Free response. GCO2. After examining the following graph, Kate claims that WXYZ is translated
according to the rule (x, y) (x + 11, y-2). Is she correct? If not, write the correct rule.
please help i will make brainlest if you have correct answers please put your answers in order like the pictures like 1 2 3 4 5
1. 22/25
2. -1 1/4
3. -1 7/10
4. 1 5/6
5. 1 2/3
Answer:
Step-by-step explanation:
1= 22/25
2= -1 1/4
3= - 1 7/10
4= 1 5/6
5= 1 2/3
Can someone explain this? Are my answers for 2 and 4 good?
Answer:
I can't see that good enough
ASAP definition for unit rate
Answer:
the ratio of two measurements in which the second term is 1.
Step-by-step explanation:
Hope this helps! UwU
Which of the following pairs of triangles can be proven congruent by SAS?
A. (Image 1)
B. (Image 2)
C. (Image 3)
D. (Image 4)
Answer:
Step-by-step explanation:
image 2
The pairs of triangles that can be proven to be congruent to each other by SAS is: B. Image 2
What is the SAS Congruence Theorem?Based on the Side-Angle-Side Congruence Theorem, when two sides and an included angle of one triangle is congruent to corresponding two sides and an included angle of another triangle, bot triangles can be proven to be congruent triangles.
The second image shows that ΔABC and ΔDEF has:
two pairs of congruent sides - AC ≅ DF and BC ≅ EFone pair of congruent included angles - ∠C ≅ ∠FTherefore, the pairs of triangles that can be proven to be congruent to each other by SAS is: B. Image 2
Learn more about SAS on:
https://brainly.com/question/14252518
which of the following value is larger 7 x 10^2 or 2x10^5
Answer:
2x10^5 is greater
Step-by-step explanation:
Answer:
The value of [tex]2*10^5[/tex] is larger.
Step-by-step explanation:
[tex]2*10^5=200000[/tex]
[tex]7*10^2=700[/tex]
[tex]2*10^5>7*10^2[/tex]
I hope this helps! (✿◕‿◕✿)
what is the missing factor that would create this equation?
_____?___(5x^3-3x^2)=10x^5-6x^4
Answer:
2^2
Step-by-step explanation:
10x^5/5x^3 = 2^2
-6x^4/3x^2 = 2^2
Study the steps used to solve the equation
Given - 5 = 7
Choose the property that justifies each step of the
solution
Step 1 - 5 + 5 = 7 + 5
2
Step 2
+ 0 = 12
ulu olov ulu un
<
Step 1:
Step 2:
Step 3:
Step 4.
= 12
<<
Step 3: Ž=
Step 4:2 (1) = 12(2)
Step 5: c = 24
Answer:
c = 24
Step-by-step explanation:
The given equation is :
[tex]\dfrac{c}{2}-5=7[/tex]
Adding both sides by 5 both sides,
[tex]\dfrac{c}{2}-5+5=7+5\\\\\dfrac{c}{2}=12[/tex]
Cross multiplying both sides,
[tex]c=2\times 12[/tex]
c = 24
So, the value of c is 24.
Find the distance between the two points rounding to the nearest tenth (if necessary). (8,-9) and (2,-7)
Answer: 6.32 units
Step-by-step explanation: You count the distance and get 6.32 units.
simplify this please −4(8k+5)−5(9k+4)
Answer:
- 77k - 40
Step-by-step explanation:
Given
- 4(8k + 5) - 5(9k + 4) ← distribute both parenthesis
= - 32k - 20 - 45k - 20 ← collect like terms
= - 77k - 40
The probability of a randomly selected adult in one country being infected with a certain virus is 0.004. In tests for the virus, blood samples from 15 people are combined. What is the probability that the combined sample tests positive for the virus? Is it unlikely for such a combined sample to test positive? Note that the combined sample tests positive if at least one person has the virus.
Answer:
The probability is [tex]P(R) = 0.0583 [/tex]
Step-by-step explanation:
From the question we are told that
The probability that selected adults are affected by virus is p = 0.004
The probability that adults are not affected by virus is [tex]q= 1- p = 1-0.004 = 0.996[/tex]
The sample size is n = 15
Generally from the question we are told that
The probability that the combined sample tests positive is equal to the probability that at least one person test positive for the virus
So
The probability that the combined sample tests positive for the virus is equal to
1- the probability that non of the adults selected tested positive for the virus
Generally the probability that non of the adults selected tested positive for the virus is
[tex]P(k) = q^n[/tex]
=> [tex]P(k) = q^{15}[/tex]
=> [tex]P(k) = 0.996^{15}[/tex]
=> [tex]P(k) = 0.9417 [/tex]
The probability that the combined sample tests positive for the virus is mathematically represented as
[tex]P(R) = 1 - P(k)[/tex]
=> [tex]P(R) = 1 - 0.9417 [/tex]
=> [tex]P(R) = 0.0583 [/tex]
