Answers
Answer:
1,256 dm^2 and 400π dm^2
Step-by-step explanation:
The circumference is equal to 2pi times the radius. So 40pi=2pi times the radius so the radius is 20. The area of a circle is pi times the radius squared or 400pi and if using 3.14 for pi this would be 1,256 dm^2
Related Questions
pls answer I will mark brainliest
Answers
Answer: 147 cm²
Step-by-step explanation:
Since it says to use 3 for pi, and the radius is given to us (7 cm), we will plug in and solve for the area.
A = πr²
A = (3)(7)²
A = 147 cm²
An equation was used to predict possible weights of puppies at 6 months of age. The actual weights of the puppies are also listed.
Actual weight (ounces) 9 15 16 20 20 26
Predicted weight (ounces) 9 12 15 18 21 24
The sum of the residuals is ______.
0
7
9
26
Answers
identify the slope and y-intercept of the function y= -5x+4
Answers
Answer:
The slope is -5 and the y intercept is (0,4). (D).
Step-by-step explanation:
The formula for this is y=mx+b. With m equaling the slope, and b equaling the y intercept. In the place of m, there is -5, getting you your slope of -5 and in the place of b there is 4 (meaning the coordinate (0,4)), getting you your answer. I hope this helps! :)
Answer: D
Step-by-step explanation: slope= -5 & y-intercept= (0,4)
What is the volume of this prism?
A.) 72 ft³
B.) 80 ft³
C.) 84 ft³
D.) I don't know.
Answers
Answer:
The answer would be 72 feet. (A)
Step-by-step explanation:
To find the volume of the prism you would do length times width time height. That would be 4 times 3 times 6. 4 times 3 is 12 and 12 times 6 is 72, getting you your answer. I hope this helps! :)
During a sports competition, students participated in races of various distances. The data is shown in the frequency table. What is the range of lengths of the various races? A. 500 m B. 1000 m C. 900 m D. 400 m
Answers
Answer:
B
Step-by-step explanation:
this is the answer but work out the question and you will see how to answer more questions like this
?????? I don’t get it
Answers
Answer:
His gain was greater on the first play because if you convert 2 yards to feet you get 6ft and 6 feet is greater than 5 feet which means the football player had a greater gain on the first play.
Step-by-step explanation:
1 yard is 3 ft
2yards x 3=6 ft
6ft> 5ft
first play> Second play
Find the volume of the cone. Round to two decimal places
Answers
Answer:
564.44
11*7 squared
Answer:
V = 564.15 ft^3
Step-by-step explanation:
The formula for the volume of a cone of base radius r and height h is
V = (1/3)(pi)(r^2)(h). Here, r = 7 ft and h = 11 ft, and so the volume of this particular cone is
V = (1/3)(3.14)(7 ft)^2*(11 ft), or V = 564.15 ft^3
Find the volume of the rectangular pyramid. If needed round two decimal places
Answers
Answer:
126
Step-by-step explanation:
V = lwh/3 = 7*6*9/3 = 126
A book store is hosting a special night in which families can enjoy a story and craft time. Tickets to the
event must be purchased ahead of time and are $1.50 for children and $2.50 for adults. So far, 45
children's tickets have been sold, which is 60% of the total tickets sold. How many tickets have been
sold so far? Show your calculations or explain how you got your answer.
Answers
Answer:
75 total tickets
Step-by-step explanation:
METHOD 1:
We know that 45 children's tickets have been sold, being 60% of the total tickets having been sold.
So, basically, we solve for x:
We have, 60% × x = 45
or, 60/100 × x = 45
Multiplying both sides by 100 and dividing both sides by 60,
we have x = 45 × 100/60
x = 75
If using calculator, enter 45x100/60, which will give you the answer.
------------------------
METHOD 2:
Division is the opposite of multiplication
Start with the formula to calculate the percentage of total
y=value÷ percentage/100
Substitute values in the equation
y=45÷60/100
Simplify and solve
y=45÷0.6
y=75
Both methods give you 75, therefore 75 tickets have been sold
please help I have so much work God
Answers
Answer:
this is a find the shapes with 4 sides
Step-by-step explanation:
i did this my self
A: the result of andre's first step was -x+6= -8
B: the result of diego's first step was 6 = x-8
Answers
Answer:
Andre subtracted 3x from both sides while Diego subtracted 2x from both sides
Step-by-step explanation:
What is the surface area?
Answers
Answer:
402cm
Step-by-step explanation:
middle rectangle: 10 * 12 = 120cm
top and bottom rectangles: the sides will be connected to the 8cm triangle, making their heights 8cm. 8 * 12 = 96cm
side triangles: (10 * 9) / 2= 45cm
120 + (2 * 45) + (96 * 2) = 402cm
A square pyramid on top of a rectangular prism. The rectangular prism has a length of 4 meters, width of 4 meters, and height of 4 meters. The square pyramid has triangular sides that have a height of 3 meters and side length of 5 meters. Compare the surface area of the composite figure to the surface area to the combined surface areas of the figures if they were separated. The composite surface area would be the surface area of the rectangular prism plus the surface area of the square pyramid considered separately. You should not count the pyramid’s as part of the composite figure’s surface area.
Answers
Answer:
The square pyramid by itself has a surface area of 55 meter[tex]s^2[/tex].
The rectangular prism by itself has a surface area of 96 meter[tex]s^2[/tex].
Step-by-step explanation:
Answer:
La pirámide cuadrada por sí sola tiene una superficie de 55 metros .
El prisma rectangular por sí solo tiene un área de superficie de 96 metros .
Step-by-step explanation:
There are 240 ounces of sports drink left in the cooler at the end of one practice.
Every player had some sport drink from the cooler. Based on the equation, y = 648 -24x, how many players were at practice?
Answers
Answer:
there were 17 players left on the pitch
Step-by-step explanation:
17x24=408
648-408=240
Answer:
there were 17 players left on the pitch
Step-by-step explanation:
17x24=408
648-408=240
Graphing should be considered a method of _________
Answers
Explanation:
Because you can only use graphs in math
pls answer I'll mark brainliest
Answers
Answer:
Step-by-step explanation:
so in order to find the surface are of square and rectangle we have this formula square =a^2
Some of the rectangles are 11*5 = 55
And for the squares they are 2*5=10
But we have 2 rectangle with 2*11=22
Basically just add them up and the answer is 174m^2
174.
the L of the main rec is 11x14 the side boxes both have an area of 10. add all up and you get 174
Daily Math Question
You can identify sample spaces for compound events using organized lists, tables, and tree diagrams. Which of the three methods do you find easiest to use? Which method is the most helpful? Why?
What is the definition of the Fundamental Counting Principle? What does this principle state? How can the principle be used to help you identify a sample space for a compound event? What are the limitations of using the Fundamental Counting Principle when determining the probability of an outcome? Support your answers with an example.
Answers
Answer:
The fundamental counting principle is used to count the total number of possible outcomes that are in a situation.
What does the fundamental counting principle state?
The fundamental counting principle states that if there are n ways of doing something, as well as m ways of doing another thing, then there are n×m ways to perform both of these actions.
The Fundamental Counting Principle helps when determining the sample space of probability as it figures out the total number of ways the combination of events can occur. Therefore, it is used as a guide when determining the sample space of a probability.
Lastly, the limitation is that the Fundamental Counting Principle is that it assumes that each basic event is equally probable, which does not necessarily have to be true.
!!50 POINTS!! Better Buy?
You are planning an end of the year party for your math class. Your teacher needs to help deciding which products are the better buy.
Directions: Determine the unit rate for each brand and determine what is the best purchase item. !!SHOW WORK!!
(If you help with this please check out my profile for more questions that need answers by TOMORROW!)
Answers
Answer:
The best buy item is the Frito-Lay mi Variety Pack. Going for only 0.35 per item.
Step-by-step explanation:
All I did was the equations and then I compared the answer, the lowest answer is the best buy since it is the lowest price found.
Frito-Lay:
9.88/28 = 0.35
Unit rate is 35 cents
Pringles:
6.48/18 = 0.36
Unit rate is 36 cents
Pack of 18:
11.21/18 = 0.6
Unit rate is 60 cents
Pack of 24:
15.85/24 = 0.66
Unit rate is 66 cents
GC:
14.75/30 = 0.49
Unit rate is 49 cents
Sweet Treats:
10.75/25 = 0.43
Unit rate is 43 cents
Comparing all of this data, it can easily be seen that the Frito-Lay mi Variety Pack is the best deal you can find out of these 6 deals.
PLEASE HELP 20 POONTS! Of the students at Creekview Middle School, 30% are in 6th
grade, 30% are in 7th grade, and 40% are in 8th grade.
What is the estimated probability that at least one of the
next three students entering the school will be a 6th
grader?
Here are the results of a simulation using a random number generator.
Let 7, 8, 9 0 = 8thg
Let 4, 5, 6 = 7th grader
Let 1, 2, 3 = 6th grader
Answers
Answer:
A
Step-by-step explanation:
You look for groups with the number 1,2,3 in
Medal award ceremonies are held after each event. The following three flags are used to represent the gold, silver, and bronze medal winners. Gold Silver Bronze 1. Using the flags, create a tree diagram to show the possible arrangements of the three medal flags. PLEEZE HELP MEEEEEEE :(
Answers
Answer:
Step-by-step explanation:
Having the information on how many events there are and how many people in each event there would help me personally solve this
what i can tell you is its a probability thing a tree diagram is starting with something, like flipping a coin, and creating a branch for heads and tails, 0.5 for each branch. like the attachment I have on here. there's only 2 probable results from a coin, but if I have 5 events with 50 competitors I've created a lot more probable outcomes, it also depends on the events, if one of my competitors in 6'9" and ones 5'2" and the event is a dunk contest it would be slightly unfair and the probability of the person who is 5'2" changing your tree diagram :)
help me please and remember SHOW ALL WORK
TYSM!
Answers
If you were solving the probability for each box individually that would be your answer
However if you are doing statistics and need to do it in a certain order you multiply the fractions
2/5 x 4/9 = 8/45
(.17777)
This leaves you with a 17% (8/45) chance of picking a vowel then an even number.
Box 2 would be 4/9
dory is buying a square shaped canvas with an area 144 squared inches. which shows the correct steps she should take if she wants to find out the side lengthes of the canvas
Answers
Answer:
sqrt 144
Step-by-step explanation:
formula for area of a square us s^2,
s^2 = 144
square root both sides
100 points for a serious answer.
Mrs. Hanger is painting the following picture of an H to hang in the entryway of her home. She has made the following scale drawing as her model. The scale used on the drawing is 1:6. On the scale drawing, H is centered on the page and is inches from the top, bottom, and sides of the drawing.
As you can see, the "H" is going to be painted brick red in the center of a rectangular beige background. This means the distance from the "H" to the top of the picture will be the same as the distance from the "H" to the bottom of the picture. Similarly, the distance from the "H" to the left side of the picture will be the same as the distance from the "H" to the right side of the picture. Finally, each segment of the "H" will have the same width.
What is the actual width of the painting?
What is the actual height of the painting?
What is the actual height of the "H"?
What is the actual width of the "H" (through the center)?
What is the actual distance from the left edge of the painting to the left edge of the "H"?
actual width of the painting:
inches
actual height of the painting:
inches
actual height of the "H"?:
inches
actual width of the "H" (through the center):
inches
actual distance from the left edge of the painting to the left edge of the "H":
inches
Answers
Answer:
I'm not sure if this will be able to help, though I found the same question, but answered by someone who is far more advanced with this, and has answered for more questions than I have. Hope this can help, if not please comment, so I can delete.
https://brainly.com/question/21188240
How do find volume of the triangular pyramid, I’m so confused I need the formula as well ASAP,!!,, please thanks so much
Answers
Answer:
5100
Step-by-step explanation:
20 x 17 x 15 = 5100. hope this helps you!!!
also formula is 1/2 x b x h x l
Mr. Perry took his family out to
dinner last night and their subtotal
was $88.24. The sales tax was 5%
and he left a 20% tip. If Mr. Perry
put $120 on the table, how much
change did he receive?
[Show Work Please]
Answers
Answer: $8.83
Step-by-step explanation:
Facts:
Total before extra fees: $88.24
Sales tax: 5%
plus a 20% tip afterwards.
Gave $120
Change= ?
___________
Step 1: Add the sales tax
The first thing to do is find 5% of 88.24, since the sales tax was 5% of the cost of their dinner.
5% of 88.24= 4.41200---> $4.40
Now we add it to the subtotal.
4.40+ 88.24= $92.64
Step 2: Add the 20% tip.
Since the question puts the "20% tip" statement after the 5% tax, I'm going to assume that the 20% tip is 20% of the dinner cost after the tax was added.
So the new cost is 92.64. All you need to do is find 20% of 92.64, and then add the result to 92.64. Look:
20% of 92.64= 18.528--> $18.53
18.53+92.64= $111.17
Now, there we have the total cost of dinner.
Step 3: Find how much change he got.
So now we know the total cost is $111.17, and that he paid with $120. He obviously paid more than the total cost, so to find the amount of change, simply subtract the 111.17 from 120:
120-111.17= $8.83
He recieved $8.83 in change because he paid $8.83 more than the expected balance (actual total cost).
Hope this helps :)) Also brainliest would be appreciated, i worked pretty hard on this :)
Answer:$8.82 Change
Step-by-step explanation:
88.24*1.20=105.89. 105.89*1.05=111.18
$120-$111.18=$8.82 change.
(Whew! That took a while!)
Type a digit that makes this statement true.
7,748,00
is divisible by 6.
Submit
Answers
Answer:
Divisible rule of 6 is " The number must be divided by 2 and 3 " so answers are 774810,774840,774870.
Step-by-step explanation:
turn this fraction into a decimal 17 23/32
Answers
Answer:
The answer should be 18.
Step-by-step explanation:
Divide the numerator by the denominator: 23 ÷ 23 = 1
Add the number you got to the whole number: 17 + 1 = 18.
Therefore: 18 is your answer.
This is the answer 53.84375
Money Tracker (Additional Instructions in Photo)
Take a screenshot of the following photo and !!SHOW ALL WORK!!
Please help, this assignment will boost my grade up to an A+!
(I have a lot more I need help with too! If you can help. It’s all math)
Answers
Answer:
You have to add all the money up then subtract it by the following money you earned.
Step-by-step explanation:
45.35+45.25= 90.5
1.39x75=104.25
0.68x8=5.44
68.72x2=137.44
1.85x37=68.45
0.13x900=117
52.85x12=634.2
52.85x2=105.7
19.49x3=58.47
2750-1321.45=1428.55
(the number 1321.45 came from everything added together, which i then subtracted from 2750 to get 1428.55 as your remaining balance.
11x+2=5x+10+58
show steps
Answers
Step-by-step explanation:
=> 11x + 2 = 5x + 10 + 58
=> 11x - 5x = 10 + 58 - 2
=> 6x = 66
=> x = 66/6
=> x = 11
Hope it helps you!!Hi student, let me help you out! :)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
We are asked to solve the equation [tex]\large\pmb{11x+2=5x+10+58}[/tex].
[tex]\triangle~\fbox{\bf{KEY:}}[/tex]
The goal is to get x all by itself.So here's how we solve the equation...
///\\\///\\\///\\\///\\\///\\\///\\\///\\\///\\\///\\\///\\\\///\\\///\\\///\\\///\\\///\\\///\\\///\\\
Notice that we can add 10 and 58 right off the bat:
[tex]\large\pmb{11x+2=5x+68}[/tex]
Now we subtract 2 from both sides of the equal sign:
[tex]\large\pmb{11x=5x+66}[/tex]
Now we subtract 5x from both sides of the equal sign:
[tex]\large\pmb{6x=66}[/tex]
Divide both sides by 6:
[tex]\large\pmb{11}[/tex]
That's the value of x.
Hope it helps you out! :D
Ask in comments if any queries arise.
~Just a smiley person helping fellow students out :)
ABCD is a rectangle in which AD = (2x + 1) cm and DC = (3x - 2) cm. PQRS is a trapezium in which PQ is parallel to SR, PQ = (x + 2) cm, SR = (5x − 8) cm and the shortest distance between PO and SR is (4x – 11) cm. The area of ABCD is twice the area of PQRS. Write down an equation in x to represent this information and show that it simplifies to 18x²89x + 68 = 0.
Answers
x=4
or
x=17/18