the list represents a student's grades on tests in their math class. 59, 65, 70, 80, 98, 71, 45, 79, 77, 85 find the mean and interpret its meaning as it relates to the student's overall work in the course.
A. The mean is 72.9 and shows that the student has an average grade and understanding of the subject but struggles at times.
B. The mean is 74 and shows that the student has a poor grade and struggles understanding the subject.
C. The mean is 80.6 and shows that the student has an average grade and understanding of the subject.
D. The mean is 98 and shows that the student has a high average and fully understands the subject.

Answers

Answer 1

Answer:

Step-by-step explanation:

the average score, calculated by dividing the sum of scores by the number of examinees. Median: the middle raw score of the distribution; 50 percent of the obtained raw scores are higher and 50 percent are lower than the median.


Related Questions

pt.2 Can somebody do this, please?!

Answers

Answer:

7 ft

Step-by-step explanation:

15 ft - 8 ft = 7 ft

See my explanation on your other post asking a similar question to this one!

Answer:

9ft

Step-by-step explanation:

14 of the longest length

subtracted by 5 becuase they are parallel of each other including the missing one.

14-5=9

HELPP PLS PLSSSSSS, LOOK AT IMAGE!!!!!!!!!!!

Answers

Answer: 1/3

Step-by-step explanation:

From the dice numbers only 1 and 2 are factors of 14

P(factor of 14)=2/6= 1/3

Answer:

A factor of 4 can only be 4 itself, which is one of the possible outcomes of rolling a 6-sided dice.

Therefore, the probability of getting a factor of 4 when rolling a 6-sided dice is:

P(getting factor of 4) = 1/6

This can be written as a fraction in the form of 1/n, where n is the total number of possible outcomes (6):

P(getting factor of 4) = 1/6

Step-by-step explanation:

i think i did a mistale and extremely confused and restless thinking that , what shall i do?

my sn ap = m_oonlight781

also i can help your homework on there so pls add me

HELP ME PLEASE I DON'T UNDERSTAND !!!!!!!!!!!!!!!!!!!!!!

Answers

the answer is 3, 4, and 7
congruent means that the angles are equal size to each other so angle x is congruent to 3 and 4 and 7 are also congruent to x, im pretty sure

so the answer should be 3,4,7

Georgia has been saving her earnings from her lemonade stand. Georgia has 80 dollars to spend. If she buys a new hat for 22 dollars, how many bows can she buy with the remaining money if they cost 5 dollars each?

Answers

Answer:

Step-by-step explanation:

Because she bought a new hat for 22 dollars, subtract that from the 80 dollars.

1. 80-22=58

Next, each bow costs 5 dollars so you’ll have to see how many times 5 goes into 58 to get your answer.

2. 58/5= 11 with three dollars remaining.

That means Georgia can purchase 11 bows with the remaining money.

Answer:

Step-by-step explanation:

Because she bought a new hat for 22 dollars, subtract that from the 80 dollars.

1. 80-22=58

Next, each bow costs 5 dollars so you’ll have to see how many times 5 goes into 58 to get your answer.

2. 58/5= 11 with three dollars remaining.

That means Georgia can purchase 11 bows with the remaining money.

She can buy 11 because she has 80 minus 22 for the hat, 80-22= 58

5x11 = 55
She would have 3$ left which isn’t enough for a hat
She can buy 11 because she has 80 minus 22 for the hat, 80-22= 58

5x11 = 55
She would have 3$ left which isn’t enough for a hat

8th grade math i mark as brainliest

Answers

Okay so since the die is 6 sided your chances of getting any number is 1/6. Taking this knowledge you would do the following

1/6*1/6
1/36
So you would have a 1/36 chance to roll a 4 then a 1
You have a 1/36 chance cause it’s a six sided die so you have a 1/6 chance starting off and then you have to get a 1 so you have to multiply it by another 1/6 chance to get 1/36

Triangle NMO is drawn with vertices N(−5, 2), M(−2, 1), O(−3 , 3). Determine the image vertices of N′M′O′ if the preimage is reflected over x = −5.

N′(5, 2), M′(2, 1), O′(3, 3)
N′(2, −5), M′(1, −2), O′(3, −3)
N′(0, 2), M′(3, 1), O′(2, 3)
N′(−5, 2), M′(−8, 1), O′(−7, 3)

Answers

N′(5, 2), M′(2, 1), O′(3, 3)
N’[5,2], M’[2,1], O’[3,3]
Hope im right

find an equation that models the path of a satelite if its path is a hyperbola, a=45,000 km, and c= 71,000 km. assume that the center of the hyperbola is the origin and the transverse axis is horizontal.
Please show your work so i can understand!!

Answers

so first off, we know the hyperbola has a horizontal traverse axis, so that means equation wise, the positive fraction is the one with the "x" variable on it, center is the origin, meaning (h,k) is just (0,0), and we know the value for the distances "a" and "c", let's find "b".

[tex]\textit{hyperbola, horizontal traverse axis } \\\\ \cfrac{(x- h)^2}{ a^2}-\cfrac{(y- k)^2}{ b^2}=1 \qquad \begin{cases} center\ ( h, k)\\ vertices\ ( h\pm a, k)\\ c=\textit{distance from}\\ \qquad \textit{center to foci}\\ \qquad \sqrt{ a ^2 + b ^2} \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} h=0\\ k=0\\ c=71000\\ a=45000 \end{cases}\implies \cfrac{(x- 0)^2}{ 45000^2}-\cfrac{(y- 0)^2}{ b^2}=1 \\\\[-0.35em] ~\dotfill[/tex]

[tex]\stackrel{c}{71000}=\sqrt{\underset{ a }{45000^2}+b^2}\implies 71000^2=45000^2+b^2 \\\\\\ 71000^2-45000^2=b^2\implies \sqrt{71000^2-45000^2}=b\implies 54918.12\approx b \\\\[-0.35em] ~\dotfill\\\\ \cfrac{(x- 0)^2}{ 45000^2}-\cfrac{(y- 0)^2}{ 54918.12^2}=1\implies {\Large \begin{array}{llll} \cfrac{x^2}{ 45000^2}-\cfrac{y^2}{ 54918.12^2}=1 \end{array}}[/tex]

Answer:16000

Step-by-step explanation:

b

state the vertices, foci, and asymptotes of the hyperbola with the equation
20x^2-25y^2=100
PLEASE SHOW YOUR WORK SO I CAN UDERSTAND!!!

Answers

To find the vertices, foci, and asymptotes of the hyperbola with equation 20x^2 - 25y^2 = 100, we need to first write the equation in standard form:

(x^2)/(5) - (y^2)/(4) = 1

From this equation, we can see that the hyperbola has a horizontal transverse axis, since the x^2 term is positive and is divided by a smaller number than the y^2 term. Therefore, the center of the hyperbola is (0,0).

Using the standard form of the hyperbola, we can find the values of a and b:

a^2 = 5, so a = sqrt(5)
b^2 = 4, so b = 2

Now we can find the vertices, foci, and asymptotes:

Vertices:
The vertices are located at (±a,0), so the vertices are at (-sqrt(5),0) and (sqrt(5),0).

Foci:
The foci are located at (±c,0), where c = sqrt(a^2 + b^2). Plugging in our values of a and b, we get:

c = sqrt(5+4) = sqrt(9) = 3

So the foci are at (-3,0) and (3,0).

Asymptotes:
The equations of the asymptotes are y = ±(b/a)x, so the equations of the asymptotes are:

y = ±(2/sqrt(5))x

Therefore, the vertices are (-sqrt(5),0) and (sqrt(5),0), the foci are (-3,0) and (3,0), and the equations of the asymptotes are y = ±(2/sqrt(5))x.

4) If a person runs 2 3/4 miles in 1/2 hour, compute the unit rate as a complex fraction, ____ miles per hour which is equivalent to ____ miles per hour.​

Answers

Answer:5 1/2 for the first box and second I think

Step-by-step explanation:

PLSS HELP!!! LOOK AT PICTURE

Answers

Answer: 1/5, 0.2, or 20%

Step-by-step explanation: P(4) means the probability (P) of getting the number 4, therefore written as P(4). As there are 5 cards, and 1 of them has a four on them, it can be written as 1/5, as one out of the five cards have a four on them. Convert it into a decimal, by using a calculator or past knowledge so 1 divided by 5. You get 0.2. Keep in mind that 1.0 is 100% and anything below, such as 0.5 (50%) or 0.1 (10%), are all decimals. Because we got 0.2, the answer in percentages is 20%, or 0.2 of 1.0.

Answer:

20%

Step-by-step explanation:

P stands for the chance of getting something, in this case it's the number 4.

There is 1 card that has 4 on it and 5 cards in total, so it would be 1/5

1/5 or/ 1 divided by 5 equals to 0.2 which is also equal to the percentage 20%

.............................................

Answers

12 Popsicles I think I'm not sure

four popsicles is the answer!!

Solve and show each step

Answers

Answer:

4th option

Step-by-step explanation:

Because the fourth option is the only option where the y-intercept is 15, which refers to the base price, and also 10x shows that every hour adds 10 dollars to the 15 dollar base price, and as the question says, it is higher than the 7.5 dollars an hour in the table above.

If this helped, please consider picking this answer as the Brainliest Answer. Thank you!

Polygon JKLM is drawn with vertices J(−4, −4), K(−4, −6), L(−1, −6), M(−1, −4). Determine the image coordinates of K′ if the preimage is reflected across y = −7.

K′(−4, −4)
K′(−4, −5)
K′(−4, 6)
K′(−4, −8)

Answers

Answer: -4,6

Step-by-step explanation:

To reflect a point across a horizontal line, we keep the x-coordinate the same, but negate the y-coordinate of the point. In this case, the line of reflection is y = -7. Therefore, to find the image coordinate of K′, we negate the y-coordinate of K and add 3 (since -7 - (-6) = -1):

K′(-4, -6 - (-7) + 3) = K′(-4, 4)

So the correct answer is K′(-4, 4)


Solve, show each step

Answers

Answer: 14.85

Step-by-step explanation:

1.485 * 10^1 =14.85

14.85.
Explanation. 1.485 x 10 = 14.85

The distance between two cities on a map is 25 inches. The actual distance between the two cities is 300 miles. How many miles would 35 inches be on the map?

9 miles
12 miles
214 miles
420 miles
PLEASE HELP ASAP!!!!

Answers

Answer : 420 miles

Explanation: 25 : 300
5 : 60
35 : 420

Answer: Your answer is 420 miles

Step-by-step explanation: I did this in middle school

Hope it helped :D

Third-, fourth-, and​ fifth-grade students collected clothing items to be sent to 3 different clothing donation centers. The​ third-grade students collected 55​ items, and the​ fourth-grade students collected 45 items. Each clothing donation center was given 75 items. Write and solve an equation to find how many items the​ fifth-grade students collected

1.A The​ fifth-grade students collected _ An equation that can be used is 55 +45 = 75 X
2.B The​ fifth-grade students collected _ An equation that can be used is (55+45+X) ÷=75
3.C The​ fifth-grade students collected _ An equation that can be used is ​(55 +45) x 3 = 75 + X
4.D The​ fifth-grade students collected

enter your response here items. An equation that can be used is ​55 +45+X=75

Answers

Answer: B) The answer is 125

Step-by-step explanation:

when u solve the equation you will get 125.

Answer:

the answer is B

Step-by-step explanation:

WILL GIVE BRAINLIEST ANSWER
Construct a triangle with a 70 degree angle, a 85 degree angle, and a 105 degree angle. Did you construct a triangle, if so what type of trianlge is it?

Answers

Answer:

no triangle

Step-by-step explanation:

The sum of the measures of a triangle is 180°.

70° + 85° + 105° = 260°

Since the sum of the given measures is 260°, no triangle with these angle measures can be constructed since it cannot exist.

No because a triangle is 180. These three numbers equal 260.

ASAP I WILL GIVE BRAINLIEST
A composite figure is shown.
Which of the following represents the total area of the figure?

10.663 in2
24.413 in2
28.448 in2
34.335 in2

Answers

14.49 is the area of the rectangle
5.1975 is the area of the small triangle
4.725 is the area of the larger triangle
Add them together,

24.4125 or simplified, 24.413
The answer is 24.413 in2 cause the triangle formula is 1/2 base time height and the rectangle formula is b times height

8th grade math i mark as brainliest

Answers

Answer:

1/32

Step-by-step explanation:

The probability of rolling a 6 on a 6-sided die is 1/6, and the probability of rolling a 4 on a 6-sided die is also 1/6.

Assuming that the rolls are independent (i.e., the outcome of one roll does not affect the outcome of the other roll), the probability of rolling a 6 and then a 4 is the product of the probabilities of each individual event:

Probability of rolling a 6 and then a 4 = (Probability of rolling a 6) x (Probability of rolling a 4)

= (1/6) x (1/6)

= 1/36

Therefore, the probability of rolling a 6 and then a 4 on a 6-sided die rolled twice is 1/36, or approximately 0.0278 (2.78%).

The answer would be 1/32

please help im so lost............

(+30 POINTS!!!!!!!!!) (if its right!)

Answers

Answer:

I'm gonna say the  second one

Step-by-step explanation:

Answer: Your answer is -4+(-9)

Hope it helped :D

What is the volume of this object? Enter answer as a mixed number.

u3

Answers

Answer:

31 1/4 units

Step-by-step explanation:

The equation for volume of a rectangular prism is length x width x height.

We know the length of the width and height are given as 2 1/2 u.

In this case we can simply find the height by counting the amount of blocks high it is, which in this case is 5.

Then we multiply the numbers together.

2 1/2 x 2 1/2 x 5 = 31 1/4

Suppose you borrow money for a year at a simple interest rate of 7.2%. You pay $86.40 in interest. How much have you borrowed?

Answers

Answer:

  $1200

Step-by-step explanation:

You want to know the amount borrowed at 7.2% if the simple interest for one year is $86.40.

Interest

The interest formula is ...

  I = Prt

where P is the amount borrowed, r is the interest rate, and t is the number of years.

Application

Using the given values, we have ...

  86.40 = P·0.072·1

  P = 86.40/0.072 . . . . . . divide by the coefficient of P

  P = 1200

You have borrowed $1200.

Answer: 1200

Step-by-step explanation: Linear equation. 7.2x = 100(86.40). then divide by 7.2 on each side. x=1200

HELP ASAP PLEASE
I PUT THE FILE WITH THE PROBLEM HERE

Answers

Answer:

Growth, Growth, decay, decay, growth, decay, growth, decay

Step-by-step explanation:

Growth growth, decay, decay, growth, decay, growth, decay

running out of pointss! <33
Determine the line of reflection used to create the image.

y-axis
x-axis
x = 2
y = 2

Answers

It would be the X-Axis

Answer:

The answer is the X-Axis!

Step-by-step explanation:

If you have any questions ask me please! :)

A standard car tire has a diameter of 18 inches. If you drive 2 miles to school, how many times does your car tire rotate during the drive? (1 mile = 5,280 ft)

Answers

Answer:

Step-by-step explanation:

1. Convert the 2 miles into ft. 2*5280=10560.

2. Convert the 18 inches to ft. 18/12=1.5ft

3. Divide. 10560/1.5=7040

Hopefully that was corect! :)

(Order of Operations MC) HELP!!!!!!!!!!!

Jalissa's mom purchased coffee from the local coffee shop. The first cup of coffee was $3.95. Each refill is $1.25. She also decided to get a bagel for $2.50. If Jalissa's mom had 2 refills and a $0.50 discount as part of the rewards program, how much did she spend at the coffee shop?

$7.20
$7.45
$8.45
$9.45

Answers

Answer:

$8.45

Step-by-step explanation:

$1.25 + $1.25 =$2.50

$3.96 + $2.50 + $2.50 = $8.95

$8.95 - $ 0.50= $8.45

So that's how I got my and.

Jalissa's mom spent $8.45 at the coffee shop.

Steps:-

Add:

First cup of coffee. $3.95

Additional refill ($1.25×2). $2.50

Bagel. $2.50

Less: Discount. ($0.50)

Total Amount spent by

Jalissa's mom. $8.45

G−11 = 27
Simplify your​ answer

WILL MARK BRAINLIST

Answers

Answer:

G=38

Step-by-step explanation:

27 +11 = 38

I hope this helps!

The names of the months of the year
were written on separate papers and
placed in a hat. Two papers are ran-
domly drawn one at a time, replacing
the first before the second draw. What
is the probability of drawing. ?
(a) April and then June
(b) a month ending in r and then a
month ending in y
(c) May and then not drawing May


Write the probability as a reduced fraction

Answers

Step-by-step explanation:

There are 12 months of the year, so there are 12 possible choices for each draw. Since the first paper is replaced before the second draw, each draw can be considered as independent and with replacement.

(a) To draw April and then June, we need to draw April on the first draw (with probability 1/12), and then June on the second draw (with probability 1/12). The probability of both events happening is the product of their probabilities:

P(April and then June) = (1/12) x (1/12) = 1/144

(b) To draw a month ending in r and then a month ending in y, we can choose from the following months: April, June, July, September, and November. There are 5 months that end in r, so the probability of drawing one of them on the first draw is 5/12. After replacing the first paper, there are still 12 months left in the hat, but now we want to draw a month ending in y. There are 4 months that end in y, so the probability of drawing one of them on the second draw is 4/12. Again, the probability of both events happening is the product of their probabilities:

P(month ending in r and then month ending in y) = (5/12) x (4/12) = 5/36

(c) To draw May on the first draw and not draw May on the second draw, the probability of drawing May on the first draw is 1/12, and the probability of not drawing May on the second draw is 11/12 (since there are 11 months left in the hat after May is drawn on the first draw). Again, the probability of both events happening is the product of their probabilities:

P(May and then not drawing May) = (1/12) x (11/12) = 11/144

Therefore, the probabilities are:

(a) 1/144

(b) 5/36

(c) 11/144

Step-by-step explanation:

There are 12 months of the year, so there are 12 possible choices for each draw. Since the first paper is replaced before the second draw, each draw can be considered as independent and with replacement.

(a) To draw April and then June, we need to draw April on the first draw (with probability 1/12), and then June on the second draw (with probability 1/12). The probability of both events happening is the product of their probabilities:

P(April and then June) = (1/12) x (1/12) = 1/144

(b) To draw a month ending in r and then a month ending in y, we can choose from the following months: April, June, July, September, and November. There are 5 months that end in r, so the probability of drawing one of them on the first draw is 5/12. After replacing the first paper, there are still 12 months left in the hat, but now we want to draw a month ending in y. There are 4 months that end in y, so the probability of drawing one of them on the second draw is 4/12. Again, the probability of both events happening is the product of their probabilities:

P(month ending in r and then month ending in y) = (5/12) x (4/12) = 5/36

(c) To draw May on the first draw and not draw May on the second draw, the probability of drawing May on the first draw is 1/12, and the probability of not drawing May on the second draw is 11/12 (since there are 11 months left in the hat after May is drawn on the first draw). Again, the probability of both events happening is the product of their probabilities:

P(May and then not drawing May) = (1/12) x (11/12) = 11/144

Therefore, the probabilities are:

(a) 1/144

(b) 5/36

(c) 11/144

HELP!!! LOOK AT IMAGE!! PLEASEEEE HURRY

Answers

Answer:

Step-by-step explanation:

100%

all 3 can be divided into 36

Answer: 100%

Step-by-step explanation:

Because we know 1,2,3 can all go into 36 (36 is able to be divided by 1,2,3) and we want the percentage of the divisor of 36. We can determine that it would be 100% Since whatever card we pick, can be divided into 36. Sorry if that made no sense, I'm not the best at explaining this.

HELPP PLEASE LOOK AT IMAGE

Answers

Answer:

33.3%

Step-by-step explanation:

There are 3 sections the spinner can land on, and only one meets the requirement (less than 3, so the 2 section is the only one). Therefore the chance of landing on 2 is 1/3, or 0.333...... which can be converted into percentage by multiplying it by a hundred.

-0.333..... x 100 = 33.33333....

If this helped, please consider picking this answer as the Brainliest Answer. Thank you!

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