Answers
Answer: I believe it’s 72 ? Sorry I might be wrong
Step-by-step explanation:
Answer:
Step-by-step explanation:
Formula for a cone:
V = 1/3 \(\pi\) r² h
Given:
\(\pi\) = 3.14
h= 12
Solution:
We need to find r to plug into formula
We can find r using pythagorean theorem on the triangle
c²=a²+b² c is always the hypotenuse, longest side
15² = 12² + r²
225 = 144 + r²
r² = 81
r=9
V = 1/3 \(\pi\) r² h
V = 1/3 (3.14)(9²)(12)
V= 1017.36
B) Mario is wrong. He used 15 as his radius not 9.
Related Questions
Please answer as fast as you can. I will pay you
Promise
Answers
Answer:
c all real values of x such that x=/ 7
Step-by-step explanation:
The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools.
Mountain View School Seaside School
0 5, 8
9, 8, 2, 0 1 0, 1, 2, 5, 6, 8
8, 7, 6, 5, 5, 4, 4, 3, 1, 0 2 5, 5, 7, 7, 8
0 3 0, 6
Key: 2 | 1 | 0 means 12 for Mountain View and 10 for Seaside
Part A: Calculate the measures of center. Show all work. (2 points)
Part B: Calculate the measures of variability. Show all work. (1 point)
Part C: If you are interested in a smaller class size, which school is a better choice for you? Explain your reasoning. (1 point)
Answers
For Mountain View School:
Data: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 0 + 1 + 2 + 3 + 4 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 8 + 8 + 8 + 9) / 19
= 100 / 19
≈ 5.26
To find the median, we need to arrange the data in ascending order: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5
For Seaside School:
Data: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 1 + 1 + 2 + 2 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 7 + 8 + 8 + 8 + 9) / 19
= 80 / 19
≈ 4.21
To find the median, we need to arrange the data in ascending order: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5
Now let's calculate the measures of variability, specifically the range and interquartile range (IQR).
Range: The range is the difference between the largest and smallest values in the dataset.
For Mountain View School:
Range: 9 - 0 = 9
For Seaside School:
Range: 9 - 0 = 9
Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1) and measures the spread of the middle 50% of the data.
For Mountain View School:
Q1 = 3
Q3 = 7
IQR = Q3 - Q1 = 7 - 3 = 4
For Seaside School:
Q1 = 2
Q3 = 7
IQR = Q3 - Q1 = 7 - 2 = 5
To determine which school is a better choice for a smaller class size, we can consider both the mean and the median.
Both the mean and median for Mountain View School are higher than those for Seaside School. This suggests that, on average, the class sizes at Mountain View School are larger than those at Seaside School. Therefore, if you are interested in a smaller class size, Seaside School would be a better choice
For Mountain View School:
- Median: The median class size is the middle value, which is 25.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (29 + 28 + 28 + 27 + 25 + 24 + 24 + 23 + 21 + 20 + 19 + 18 + 15 + 13 + 10) / 15 = 21.27.
For Seaside School:
- Median: The median class size is the middle value, which is 20.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (25 + 25 + 27 + 27 + 28 + 28 + 28 + 30 + 31 + 35 + 36 + 38 + 40 + 43 + 45) / 15 = 31.13.
Part B:
For Mountain View School:
- Range: The range is the difference between the largest and smallest values, which is 29 - 10 = 19.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 20 and Q3 is 28. Therefore, the IQR is 28 - 20 = 8.
For Seaside School:
- Range: The range is the difference between the largest and smallest values, which is 45 - 25 = 20.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 27 and Q3 is 38. Therefore, the IQR is 38 - 27 = 11.
Part C:
If you are interested in a smaller class size, Mountain View School is a better choice for you because it has a lower mean and median class size than Seaside School.
What is the value of x? Round to the nearest tenth if necessary.
Answers
Answer:
\(\sqrt{157}\\\) or 12.5
Step-by-step explanation:
Use Pythagorean Theorem: a^2 + b^2 = c^2
11 squared plus 4 squared is 157.
157 = c squared
square root both sides then u get c or x = \(\sqrt{157}\\\)
plug into calculator then round and u get 12.5
Step-by-step explanation: (given in the pic below)
Show all of your work. Partial credit is only available if all your work is shown.
For problems 1 – 4, convert to customary units. (3 points each)
Answers
The conversions are solved to obtain
1. 48,000 oz = 3000 lb
2. 4.5 T = 9000 lb
3. 7 gal = 56 pt.
4. 125 fl oz is equal to approximately 3.91 qt.
How to do the conversionsUsing unit conversion the following is done as follows
1.
1 lb = 16 oz
48,000 oz = x lb
hence x = 48000 / 16 = 3000 lb
2.
To convert from pounds (lb) to tons (T), we divide by 2000 (since 1 ton = 2000 lb). Therefore, T = 4.5 T * 2000 = 9000 lb
3.
To convert from gallons (gal) to pints (pt), we multiply by 8 (since 1 gal = 8 pt). Therefore, 7 gal = 7 * 8 = 56 pt.
4.
To convert from fluid ounces (fl oz) to quarts (qt), we need to divide by 32 (since 1 qt = 32 fl oz). Therefore:
125 fl oz = 125 / 32 qt
= 3.90625 qt (rounded to 5 decimal places)
Learn more about conversions at
https://brainly.com/question/97386
#SPJ1
Joanna draws a scale model of a rectangular table for a carpenter to build.
On her drawing, 3/4 of an inch represents 1 foot. In the drawing, the table is 7 1/2 inches long. How long, in feet, will the table be when the carpenter builds it?
A. 4 2/3 ft
B. 2 5/8 ft
C. 5 5/8 ft
D. 10 ft
Answers
Answer:
D
Step-by-step explanation:
just multiply the three over four inches with seven and a half to get the accurate measurements
WHO EVER THE HELL IS PRIVATE MESSAGING ME PLZ STOP I CANNOT SEE IT AND ITS BOTHER T/F OUTTA ME RN!!!!!!!!!! F YOUUUUU
Answers
Answer: I'M ON YOUR SIDE....WHOEVER KEEPS MESSAGING THIS PERSON STOPPPPP!!!!!!!!!!!!!!!!!!!!!!!!
Step-by-step explanation:
-HOPE THAT KEEPS EM AWAY
Answer:
This is a bug within the Brainly.com community I believe. Every time you get a notification, there will be just as many, if not more in your 'private messages' inbox. As of now, there is no way to prevent this from happening, it is all up to the moderator to fix it, as of my understanding.
Step-by-step explanation:
Some students recorded how many minutes they spent on the phone in one day. They put the results in a Stem-and-Leaf Plot.
What is the mean number of minutes spent on the phone?
Answers
Explanation:
The data from the stem-and-leaf plot is:
10,
24,25,26,
30,30,32,33,
40,45,46
Add up those values
10+24+25+26+30+30+32+33+40+45+46 = 341
Then divide over n = 11 which is the sample size.
341/11 = 31 is the arithmetic mean.
Answer:
341/11 = 31 is the arithmetic mean.
Step-by-step explanation:
Which number can be used in the box to make the number sentence true?
26-8 >_ + 3
A.11
B.15
C.23
D.26
Answers
Answer:
Step-by-step explanation:bbbb
Help pls i really need this!!
Answers
Answer: the answer is A
Step-by-step explanation: 400 times 2.5 is 1000 and 250 times 2.5 is 625 and together they equal 1625
There are 12 inches in 1 foot and 5,280 feet in 1 mile. Jada ran 314 miles
Answers
Answer:
in feet: 1657920 ft and in inches: 19895040
Step-by-step explanation:
Point T has coordinates (-7, -3). If it's reflected across the line x = 2, what will be the coordinates of its image?
(11, -3)
(7, -3)
(-7, 7)
(7, 3)
Answers
Answer
the point after reflection are (11,-3)
Which of the following is the solution set of x < 5?
A) x = {5, 4, 3, 2, 1, ... }
B) x = {5, 6, 7, 8, 9, ... }
C) x = {4, 3, 2, 1, ... }
D) x = {3, 4, 5, 6, 7, ... }
with solution pls, show the solution how did you get the answer
Answers
The best answer from the options provided is C, because "x<5" means all the numbers less than 5 and answer C only has integers that are less than 5.
Now C isn't a perfect answer, because C leaves out all the other fractions and decimals like 4.3 and 3/4 that are also less than 5, but aren't in answer C.
But given your choices, A, B, and D are not the answer, since they all have a number included that's greater than OR equal to 5.
To see why, let's break down the inequality x < 5. This inequality means that x can be any number that is less than 5, but not including 5 itself. In other words, x can be any number in the open interval (-∞, 5).
The solution set for this inequality is any set of numbers that satisfies this condition. The set of numbers in option B) {5, 6, 7, 8, 9, ... } is the only set that satisfies this condition, since all of these numbers are less than 5.
Option A) {5, 4, 3, 2, 1, ... } includes 5, which is not a solution to the inequality x < 5.
Option C) {4, 3, 2, 1, ... } does not include any numbers greater than or equal to 5, so it does not satisfy the inequality x < 5.
Option D) {3, 4, 5, 6, 7, ... } includes 5, which is not a solution to the inequality x < 5.
Identify any missing information that is needed to answer each question. Then choose a reasonable quantity and write an expression for each problem. After you have written the expression, evaluate it using mental math or some other method.
A: You receive $24 for washing cars. How much do you earn per hour?
B: You buy 5 silocone baking molds at a craft store. How much do you spend?
Answers
B: you need to know how much the baking molds cost, a reasonable amount would be 7.50, the equation would be 7.50•5=37.5
Hope this helps
Please mark Brainliest
Answer:
A: you need to know how many cars you wash an hour. A reasonable amount would be five cars an hour making the equation 24•5=120$
B: you need to know how much the baking molds cost, a reasonable amount would be 7.50, the equation would be 7.50•5=37.5
8th grade word problem!! 100 POINTS+BRAINLIEST: just write out the steps and explain in simple language :)) Answers for the sake of points will be reported
Answers
(i) Equation : y = 6.25x + 65
(ii) Price of each ticket : $6.25
(iii) Money originally in the box : $65
Explanation:
Here from table, identify the coordinates given.
Coordinates:
(7, 108.75)(13, 146.25)(18, 177.50)Find slope:
\(\sf slope: \dfrac{y_2 - y_1}{x_2- x_1} = \dfrac{\triangle y}{\triangle x} \ \ \ where \ (x_1 , \ y_1), ( x_2 , \ y_2) \ are \ points\)
\(\rightarrow \sf slope \ (m) : \dfrac{146.25-108.75}{13-7} = 6.25\)
Slope is also the price of each ticket which is $6.25
Equation:
\(\sf y - y_1 = m(x - x_1)\)
\(\rightarrow \sf y - 108.75 = 6.25(x - 7)\)
\(\rightarrow \sf y - 108.75 = 6.25x - 43.75\)
\(\rightarrow \sf y = 6.25x - 43.75 + 108.75\)
\(\rightarrow \sf y = 6.25x +65\)
To find the amount of money in the box originally, insert x which represents number of tickets sold as 0.
Originally amount of money:
\(\rightarrow \sf y = 6.25(0) +65\)
\(\rightarrow \sf y = 65\)
Hence, there were $65 in the box before any tickets were sold.
Given the conversion factor 12 inches/ 1 foot, what is the line segment's length in feet?
A. 8.6 feet
B. 9.0 feet
C. 1238.4 feet
D. 91.2 feet
Answers
A. 8.6 Feet
Answer:
8.6 feet
Step-by-step explanation:
This is a very simple way to shovel the problem
103.2/ 12=8.6 .
helpppp pleaseeeee fasttttt
Answers
Answer: Divide each term in 3y = 7x by 3 and simplify
Step-by-step explanation:
Someone help me with this ASAP!!!
Answers
Answer:
22 minutes and 40 seconds, or 22 2/3 minutes, or 22.6667 minutes, or 68/3 minutes
Step-by-step explanation:
Answer:
22 2/3
Step-by-step explanation:
Each student has 1 1/3 minutes to speak. There are 17 students.
1 1/3 x 17= 17 17/3
3 goes into 17 5 times and leaves behind 2 and so you combine the 5 and 17 making 22. the 2 left behind remains as the fraction 2/3
22 2/3 is the final answer
Justin weighs 15 pounds less than Greg weighs. Half of Greg’s weight is 75 pounds less than Justin’s weight. How much does each of them weigh?
A.
Greg weighs 200 pounds, and Justin weighs 185 pounds.
B.
Greg weighs 190 pounds, and Justin weighs 175 pounds.
C.
Greg weighs 180 pounds, and Justin weighs 165 pounds.
D.
Greg weighs 170 pounds, and Justin weighs 155 pounds.
Answers
Answer:
Justin weighs 165 pounds.
Greg weighs 180 pounds.
Answer:
B
Step-by-step explanation:
190-15=175
200/2=100
175-100=75
I shall give the right answer brainliest
Answers
Answer:
A. \(-\frac{1}{9}\)
Step-by-step explanation:
-(\(3^-^5\))(\(3^3\)) = \(-\frac{1}{9}\)
please let me know if I am wrong.
hope this helped.
Answer:
A
Step-by-step explanation:
\(-\left(3^{-5}\right)\left(3^3\right)\)
\(\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^{b+c}\)
\(3^{-5}\cdot \:3^3=3^{-5+3}\)
= \(-3^{-5}\cdot \:3^3\)
\(\mathrm{Add/Subtract\:the\:numbers:}\:-5+3=-2\)
\(=-3^{-2}\)
= \(\mathrm{Apply\:exponent\:rule}:\quad \:a^{-b}=\frac{1}{a^b}\)
\(3^{-2}=\frac{1}{3^2}\)
= \(=-\frac{1}{3^2}\)
\(3^2=9\)
= \(=-\frac{1}{9}\)
Which of the following equations is equivalent to: 4x - 2 = 38
5x = -50
x - 20 = 30
5x = 50
2x = 10
Answers
Answer:
5x = 50
Step-by-step explanation:
4x - 2 = 38
solved - x=10
5x = -50
solved - x=-10
x - 20 = 30
solved - x=50
5x = 50
solved - x=10
2x = 10
solved - x=5
Answer:
5x = 50
Hope this helps!!
Step-by-step explanation:
Please help and thank you. I forgot the formulas sorry.
Use a net to find the surface area. The area of the right triangular prism is [blank] cm2.
Answers
Answer: The answer is 255 cm2
Step-by-step explanation:
So we are looking for the area of the right triangular prism. We first must start of by observing the lengths of each side. Once you have found out what is what multiply in order. First 12 x 5 = 60. Then multiply 13 x 15 which equals = 195. Finally you want to ad up the sums together to get 255 cm2.
To find more questions by me, click on my profile to view everyone I have helped. I hoped this could help you and have a fantastic day and grade : )
If the volume of the rectangular is 882 cm ,what is the height of the rectangular prism
Answers
Answer:
1,356
Step-by-step explanation:
B=14*7 (98) V= 882. H=?
V=b•h
882=98h
882/98= 9
a city doubles its size every 90 years if the population is currently 90,000, what will the population be in 270 years DUE IN FIVE MINUTES
Answers
Answer:
the world would be filled with people
we would all be dead
Step-by-step explanation:
Answer:
360,000
Step-by-step explanation:
If the population doubles every 90 years, then in 270 years, the population should become 360,000.
Good luck on your test!
There are a total of 114 oak and pine trees on a piece of land. There are 26 fewer oak trees than pine trees. There is a regulation that the number of oak trees on this piece of land cannot exceed one-third of the total number of trees. Find how many oak and pine trees are on this piece of land and determine whether the solution is viable or nonviable.
A: There are 36 oak trees and 78 pine trees. The solution is nonviable.
B: There are 44 oak trees and 70 pine trees. The solution is viable.
C: There are 44 oak trees and 70 pine trees. The solution is nonviable.
D: There are 36 oak trees and 78 pine trees. The solution is viable.
Answers
Answer: C) 44 Oak trees and 70 Pine trees
Step-by-step explanation:
Oak : o
Pine : p
Based on the info given,
o + p = 114
p = o + 26
You then have to substitute the P value into the original equation:
o + (o + 26) = 114 (remove the parenthesis here and solve)
o + o + 26 = 114
2o + 26 = 114
2o = 88
o = 44
There are 44 Oak trees
Hope this helps !
What is the area to this?
Answers
Answer:
The Area of the polygon is 36m².
Step-by-step explanation:
Area of the polygon= Area of rectangle + Area of triangle
Diagram
______________
l. l \
3m |. 3m l. \
|. l. /
|_____________ l /
11m. 2m
( 13m).
Area of rectangle= Length × Width
= 11m × 3m
= 33m²
Area of triangle= ½ × base × height
To find the height= 13m - 11m = 2m
= ½ × 3 × 2
= ½ × 6
= 3m²
Area of the polygon= 33m² + 3m² = 36m²
Please answer quickly
Answers
Answer: b) exponential.
Step-by-step explanation: the picture shows that the line is not going in a straight line. so it cant be linear.
A right triangle has its vertices at (3, 4), (-3, 7), and (5, 4). What is the area of the triangle? Use the formula A = 1/2bh where b is the base of the triangle and h is the height.
Answers
2
Given base = b and height = b/2
Area of triangle = (b) (b/2) =1/4 x b over 2
1st option is right
Select all the true statements about relations and functions.
a All functions are relations, but not all relations are functions.
b The domain of a function is all the output values.
c If a relation is a function, each input value will have only one output value.
d If a relation is not a function, at least one input value will have more than one output
value.
e In a function, the output is the dependent variable and the input is the independent variable.
Answers
Answer: a, c, d, and e
Step-by-step explanation:
I'm 95% sure these are correct other people can double check...
Find the surface area of the right triangular prism shown below.
Answers
3+4=
done you need to add them together and then those to answers you add them and done
Answer:
27 units^2
Step-by-step explanation:
The total surface area is calculated by adding all the areas on the surface: the areas of the base, top, and lateral surfaces (sides) of the object. This is done using different area formulas and measured in square units. Volume is the amount of space that a three dimensional object takes up.
So you add, next time you get another question like this
Hope this helps!
An area model has 3 shaded parts and 9 unshaded parts.
Use this area model to find One-fourth divided by 3.
One-fourth divided by 3 =
.
Answers
Answer:0.08333 repeated or in a fraction 1/12
Step-by-step explanation:
Answer:
its 1/12
Step-by-step explanation:
i got it right on edge