Answer:
75.3982236862
Step-by-step explanation:
Answer:
I believe the answer is 75.36
The table shows the scores of 10 students in Mr. Garcia’s 3rd period math class on their last 20-point quiz.
Name Quiz Score
Kelsey 18
Adam 12
Matthew 15
Maria 10
Victoria 13
Michael 20
Jessica 16
Anna 12
Brandon 18
Luis 6
What is the absolute deviation of Victoria’s quiz score from the mean?
A. 0 points
B. 2 points
C. −1 point
D. 1 point
Please give the right answer
Answer:
B. 2 points(Approximately)
Step-by-step explanation:
The mean absolute deviation (MAD) is defined as
[tex]MAD=\frac{\Sigma |x_{i}-\mu| }{N}[/tex]
Where [tex]\mu[/tex] is the means and [tex]N[/tex] is the total number of elements.
First, we need to find the mean:
[tex]\mu = \frac{\Sigma x_{i} }{N} =\frac{18+12+15+10+13+20+16+12+18+6}{10}= \frac{140}{10}\\ \mu=14[/tex]
Then, we calculate the difference between each value and the mean, from that difference, we are gonna use the absolute value.
18 - 14 = |4|
12 - 14 = |-2|
15 - 14 = |-1|
10 - 14 = |-4|
13 - 14 = |-1|
20 - 14 = |6|
16 - 14 = |2|
12 - 14 = |-2|
18 - 14 = |4|
6 - 14 = |-8|
Now, we sum all terms and divide them by the total number of elements, which are 14.
[tex]MAD=\frac{4+2+1+4+1+6+2+2+4+8}{14}= \frac{34}{14}\\ MAD \approx 2.4[/tex]
Therefore, the absolute deviation is about 2 points. The right answer is B.
What is the correlation coefficient for the data shown in the table?
A) 0
B) 1
C) 4
D) 5
What is the answer? To this question
Answer:
D.
Step-by-step explanation:
Firstly, we must look at the absolute value symbol. This means that if d is positive, it must be a number greater than 3. If d is negative, the number must be less than -3 (for the absolute value to be greater than 3.)
This results in A and D being possible solutions. HOWEVER, we must look at the ">" symbol.
Notice how the symbol solely represents "Greater than", and not "Greater than OR equal to".
This means that the number line must have OPEN circles at -3 and 3. This will give you solution D.
Ebru has a standard deck of cards. The deck has 52 total cards and contains 4 suits: hearts, clubs, diamonds, and
spades. Each suit contains cards numbered 2 – 10, a jack, a queen, a king, and an ace.
Ebru randomly selects a card. Let A be the event that the card is a 2 and B be the event that it is a spade.
Which of the following statements are true?
Choose all answers that apply:
P(A B ) = P(A), the conditional probability that Ebru selects a 2 given that she has chosen a
spade is equal to the probability that Ebru selects a 2.
PB A) = P(B), the conditional probability that Ebru selects a spade given that she has
chosen a 2 is equal to the probability that Ebru selects a spade.
Answer:
Ebru has a standard deck of cards. The deck has 52 total cards and contains 4 suits: hearts, clubs, diamonds, and
spades. Each suit contains cards numbered 2 – 10, a jack, a queen, a king, and an ace.
Ebru randomly selects a card. Let A be the event that the card is a 2 and B be the event that it is a spade.
Which of the following statements are true?
Choose all answers that apply:
P(A B ) = P(A), the conditional probability that Ebru selects a 2 given that she has chosen a
spade is equal to the probability that Ebru selects a 2.
PB A) = P(B), the conditional probability that Ebru selects a spade given that she has
chosen a 2 is equal to the probability that Ebru selects a spade.
Step-by-step explanation:
Ebru has a standard deck of cards. The deck has 52 total cards and contains 4 suits: hearts, clubs, diamonds, and
spades. Each suit contains cards numbered 2 – 10, a jack, a queen, a king, and an ace.
Ebru randomly selects a card. Let A be the event that the card is a 2 and B be the event that it is a spade.
Which of the following statements are true?
Choose all answers that apply:
P(A B ) = P(A), the conditional probability that Ebru selects a 2 given that she has chosen a
spade is equal to the probability that Ebru selects a 2.
PB A) = P(B), the conditional probability that Ebru selects a spade given that she has
chosen a 2 is equal to the probability that Ebru selects a spade.
Answers:
In photo below
Explanation:
I got it correct in my test :)
A circle has a radius of 5 in. A central angle that measures 150° cuts off an arc.
Explain how to find the arc length exactly, and then approximate it to one decimal place.
Answer:
Part 1) The exact value of the arc length is \frac{25}{6}\pi \ in
Part 2) The approximate value of the arc length is 13.1\ in
Step-by-step explanation:
ind the circumference of the circle
The circumference of a circle is equal to
C=2\pi r
we have
r=5\ in
substitute
C=2\pi (5)
C=10\pi\ in
step 2
Find the exact value of the arc length by a central angle of 150 degrees
Remember that the circumference of a circle subtends a central angle of 360 degrees
by proportion
\frac{10\pi}{360} =\frac{x}{150}\\ \\x=10\pi *150/360\\ \\x=\frac{25}{6}\pi \ in
Find the approximate value of the arc length
To find the approximate value, assume
\pi =3.14
substitute
\frac{25}{6}(3.14)=13.1\ in
a) 40 degrees
b) 50 degrees
c)100 degrees
d) 39 degrees
Answer:
A) 40 Degrees
Step-by-step explanation:
angle EGD and angle DGC form a right angle, so subtract:
90-50= 40.
Answer:
D.) 30°
Step-by-step explanation:
∡AGB is vertical to ∡EGD, so they are congruent.
(I put this so you can give Kalehead the brainliest :D)
what is 12.92÷10 but the 5 is on top of the ten
Answer:
I think It's 25.84
Step-by-step explanation:
Find the unit rate.
$5.00 for 2 T-shirts
A: $2.50 per T-shirt
B: $1.50 per T-shirt
C: $3.50 per T-shirt
Answer:
A
Step-by-step explanation:
2.50 x 2 = 5.00
Answer:
A
Step-by-step explanation:
$5.00 divided by 2 which would equal 2.50 (unit rate)
Jeff collected 100 baseball cards.
Thirty-three of the cards are Cincinnati Reds players, and 22 of them are Cleveland Indians.
Part A
What decimal represents the part of the cards that are Cincinnati Reds? can someone help me please
Answer:
33/100 =.33
Step-by-step explanation:
Answer:
0.33
Step-by-step explanation:
The percentage of the Cincinnati Reds would be 33/100 which would be 33%. 33% as a decimal is 0.33.
If three times a number plus four is no more than four times the number minus one, which of the
following are true? Let z represent the number.
Z>5
Z25
ZS5
The number is at least 5.
The number is at most 5.
Answer:
Step-by-step explanation:
3z+4≤4z-1
3z-4z≤-1-4
-z≤-5
z≥5
sol.
The number is at least 5
7) The best classification for 3i + 4i is:
a. Integer
b. Irrational Number
c. Imaginary Number
d. Complex Number
Answer:
C
Step-by-step explanation:
The i's next to each number indicate that they are imaginary
Answer:
c. Imaginary Number
Step-by-step explanation:
3i+4i = 7i
This is an imaginary number
can yall help me out really quick please
Answer:
C
Step-by-step explanation:
just did the math ツ
? ? ?
1 4 7 One digit its right but in the wrong place
1 8 9 One Digit is right and in the right place
9 6 4 Two digits are correct but both in the wrong place
5 2 3 All Digits are wrong
2 8 6 one digit is right but in the wrong place
What are the Tree Numbers
Answer:
679.
Step-by-step explanation:
There is either a 1, 4 or 7 in the number.
From the second guess, 189, 1 cannot be in the number , either 8 or 9 are in right place. Also 4 or 7 are in the number.
9 6 4: 9 may be in the number, also 4 or 6.
No 2,3 or 5.
2 8 6 this tells us there is no 8 , and 9 is the last digit.
As there is no 2 there must be a 6 in the number
So the number contains a 9 and a 6.
The third number is either a 4 or a 7, but from the 964 result it cannot be a 4 because 6 is included.
So it either 679 or 769.
But 964 had 6 in the wrong place so the number is 679.
I think the answer is 679 because you every numbers make sense except for 679.
-Dhruva;)
A rectangular ice skating rink is 85 feet wide by 200 feet long. Which of the following is the
area of the rink?
Answer:
17000
Step-by-step explanation:
85 x 200 = 17000
Answer:17000
Step-by-step explanation:200×85=17000
Length×Width
Which equation has no real solutions?
A) -2x^2 = -168
B) 4x² + 76 = 32
C) 25x² = 1
D) 43 - X^2 = 12
You and some friends buy tickets to a raffle at your school. You can each buy one ticket. In total 150 tickets were sold. The probability that on of your friends win the raffle is 1/30. How many friends of yours bought tickets
Answer:5
Step-by-step explanation:
Given
There are total of 150 ticket
If the probability to win a raffle is [tex]\frac{1}{30}[/tex]
[tex]Probability =\frac{\text{Favorable outvome }}{\text{Total outcome}}[/tex]
[tex]\frac{1}{30}=\frac{\text{no of tickets bought}}{\text{Total no of tickets}}[/tex]
[tex]\frac{1}{30}=\frac{\text{no of tickets bought}}{150}[/tex]
no of tickets bought[tex]=\frac{150}{30}=5[/tex]
and no of tickets bought=No of friends
Therefore there 5 persons who bought tickets
Write an equation of the line that passes through (0,3) and (4,2).
Answer:
y= [tex]\frac{-1}{4}[/tex]x+3
Step-by-step explanation:
To write an equation for a line, we will first need to find the slope of the graph. This can be done by using the slope formula:
m= [tex]\frac{y_{2-y_{1}} }{x_{2}-x_{1}}[/tex]
Now, we can plug these points in this equation.
m= [tex]\frac{2-3}{4-0}[/tex] --> m= [tex]\frac{-1}{4}[/tex] .
Since we have derived the slope, we can simply use one of the points listed to solve for our other values by plugging them into the line formula:
y= mx+b
------------
2= [tex]\frac{-1}{4}[/tex](4)+b
2=-1+b
3= b
Therefore, the equation we get is:
y= -[tex]\frac{-1}{4}[/tex]x+3
PLEASE HELP!! S is the center of the circle. Suppose that JK=12, LK=12, NS=8, and PS= 2x - 6. Fine the following
Answer:
x = 7
LP = 6
Step-by-step explanation:
JK = 12
LK = 12
NS = 8
PS = 2x - 6
radius bisects the chords JK and LK because it is perpendicular to them.
JK = JN + NK = 6 + 6 = 12
LK = LP + PK = 6 + 6 = 12
LP = 6
radius= root(6^2 + 8^2) = 10 then PS = 8 = 2x -6,
8 = 2x - 6
14 = 2x
x = 7
PLEASE HELP!
The original price of a dress is $50, and the discount is 15% off. Whats the sale price?
Answer:
42.5
Step-by-step explanation:
Answer:
$42.5
Step-by-step explanation:
$50-15%=42.5 or $42.5
I'm sure.
Hope this helped lots and lots,
sincerely, me
PLEASE HELP FIRST ANWER WILL BE MARKED BRAINLIEST!!!
A linear relationship has __________ __________ ___ __________. *
Answer:
A linear relationship has a constant rate of change.
Step-by-step explanation:
Hope this helps!
What is the measure of RST?
Answer:
D or 88 degrees
Step-by-step explanation:
Just took the test
Some please help me out ASAP !!!!
Answer:
About 3
Step-by-step explanation:
Since all real life objects have three dimensions, if you increase the dimensions of an object by a certain factor, the object's volume is greater by the factor cubed.
1500*x^3=45000
x^3=30
x is about 3
Hope this helps!
Which of the following statements is TRUE? a. If your original creditor (ex: credit card company) sells your debt to a collection agency, you no longer have to pay that debt -- it's been forgiven. bIf your original creditor (ex: credit card company) sells your debt to a collection agency, you are still required to pay off that debt. c. your original creditor (ex: credit card company) your debt to a collection agency, you have a grace period before you have to start making payments again. d. If your original creditor (ex: credit card company) sells your debt to a collection agency, the full debt becomes due immediately
Answer:
the answer is d
Step-by-step explanation:
i just know its fine.
Answer:b
Step-by-step explanation:
The base of a rectangular prism has a length of 8m and a width of 4 m if the volume is 64 cubic meters , what is the height of the prism.
Answer:
2
Step-by-step explanation:
Because 8x4 is 32 and 32x2 is 64 so it’s 2
A boat can travel 105 miles on 15 gallons of gasoline. How much gasoline will it need to go 140 miles?
90 gallons
980 gallons
20 gallons
35 gallons
Answer:
20 gallons
Step-by-step explanation:
105/15=7
7*20=140
Which of the graphs is the best example of a line of best fit?
A. A
B. B
C. C
D. D
The best example of a line of best fit will be given in option A.
What is Equation of line?
The equation of line passing through the points (x₁ , y₁) and (x₂, y₂) with slope m is defined as;
y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
Some graph are shown in figure.
Now, Find the best fit of the line as;
In option A;
The line is contain almost near to the points of the graph.
So, This is the best example of a line of best fit.
In option B;
The line is not passes through any of the given points.
So, It is not best fit.
In option C;
The line is perpendicular to the graph of the points.
So, It is not best fit.
In option D;
The line is vertically with the points of the graph.
So, It is not best fit.
Thus, The best example of a line of best fit will be given in option A.
Learn more about the equation of line visit:
https://brainly.com/question/9351428
#SPJ2
Which of the following best describes a rational exponent?
O
A. An exponent that has the form m-n, where mand n are integers
O
B. An exponent that has the form
where mand n are integers
O
C. An exponent that has the form m+n, where mand n are integers
O
D. An exponent that has the form mn, where mand n are integers
An exponent that has the form m/n where m and n are integers. So, this describes a rational exponent.
What are rational exponents?Rational exponents are those exponents numbers that are expressed as a rational number in the form of [tex]a^{m}[/tex] where m is a rational number.
An exponent of a rational number m that is in the form of p/q.
An exponent that has the form m/n where m and n are integers. So, this describes a rational exponent.
Learn more about rational numbers;
https://brainly.com/question/1310146
If log2 24 = y, which choice is closest to the value of y?
Answer:
4.6 :)
Step-by-step explanation:
what is 4^6 . 4^6 please help
Answer:
4^12 or 16777216
Step-by-step explanation:
4^6* 4^6
We can symplify 4^6* 4^6
Since they both have the same base, we can add there exponent:
4^6* 4^6= 4^12
4^12 equals to 16777216
I need help. Find the value of x
Answer:
8
Step-by-step explanation:
it's 8 because the sides facing each other equal
Answer:
x = 6
Step-by-step explanation:
In triangle ABC, BD is the bisector of angle ABD.
Therefore by angle bisector property:
[tex] \frac{x}{8} = \frac{3}{4} \\ x = \frac{8 \times 3}{4} \\ x = 2 \times 3 \\ \huge \red{ \boxed{ x = 6}}[/tex]