Mathematics College

Surface area of right cone radius of 8 and 14 height
A. 896
B. 224
C. 176
D. 167

Answers

Answer 1
[tex]\bf \textit{total surface area of a cone}\\\\ S=\pi r\sqrt{h^2+r^2}+\pi r^2\quad \begin{cases} r=radius\\ h=height\\ -----\\ r=8\\ h=14 \end{cases} \\\\\\ S=\pi (8)\sqrt{14^2+8^2}+\pi (8)^2\implies S=8\pi \sqrt{260}+64\pi \\\\\\ S\approx 405.25+201.06\implies S\approx 606.31[/tex]
Answer 2

The value of Surface area of right cone with radius of 8 and 14 height is,

⇒ SA = 606.31

What is Multiplication?

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

Radius of cone = 8

And, Height = 14

We know that;

Surface area of right cone is,

SA = πr (r + √h² + r²)

SA = 3.14 × 8 (8 + √14² + 8²)

SA = 606.31

Thus, The value of Surface area of right cone with radius of 8 and 14 height is,

⇒ SA = 606.31

Learn more about the multiplication visit:

https://brainly.com/question/10873737

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Related Questions

A plot of 1/no2 versus time is linear. using this information, identify the factor by which the rate will increase in model (c) if the number of molecules is increased by a factor of 17.

Answers

This is hard in mathematical language, but there is only this way to present it. Let us denote by A the consentration of the substance and by A' its rate.
We have that b/A= t+c where c is a constant.
Hence A=b/(c+t)
By differentiating, we get that A'=-b/(C+t)^2
Then, we have that -(A)^2=A'/b
Hence at any point, we have that if we make the concentration 17 times, we have that there is a 17 times bigger , the rate will become bigger by 17*17, hence 289 times faster.

the first term in an arithmetic sequence is 5. the foutth term in the sequence is -4. the tenth term is 22. which function can be used to find the nth term of the arithemetic sequence

Answers

Consider this option:
if the given terms are a₁=5; a₂=-4; a₁₀= -22, then

1. rule: n-th term of any arithmetic sequence is:
[tex]a_n=a_1+d(n-1), [/tex]   where d - difference of this sequence.
2. using the mentioned rule
a₄=a₁+d(4-1), ⇒ -4=5+3d; ⇒ d=-3.
(a₁₀=a₁+9d=5-3*9=-22).
3. if d=-3 and a₁=5, then it is possible to make up an equation for n-th term:
[tex]a_n=5-3(n-1)=8-3n;[/tex]
a₁₀₀=8-3*100=-292.

A gardener crosses tall true-breeding pea plants with short true-breeding ones. Tall plants are dominant to short ones. He collects the seeds to grow F1 plants and then allows them to self-pollinate to form an F2 generation. Which of the following describes the traits of the offspring correctly?

Answers

The responses given are as follows;
a) Three–fourths of the F1 and one–half of the F2 plants will be tall.
b) All of the F1 and three–fourths of the F2 plants will be tall.
c) Three–fourths of the F1 and all of the F2 plants will be tall.

Let’s name tall as T and short as t
Since both are true breeding plants
Tall plants have the genotype TT and short plants have the genotype tt
Tall plants will make gametes of type T only
Short plants make gametes of type t only
After cross breeding the offspring would all be of genotype Tt as they’re made of T and t gametes
F1 generation formed have the genotype Tt
Since T is dominant all F1 plants are tall
When F1 self pollinates
F1 * F1
Tt *Tt
Gametes are
T t T t
F2 population offspring genotypes are as follows;
TT -1/4 tall
Tt -1/4 tall
Tt -1/4 tall
tt - 1/4 short
3/4 of the plants are tall
Remaining 1/4 is short

Therefore response b is correct
All f1 plants are tall and 3/4 of f2 plants are tall

first find the estimate of the quotient then find the exact quotient 3 3/7 divide by 1 4/9

Answers

Estimate of the quotient:
3 3/7 = 3+0.428571=3.428571
1 4/9 = 1+0.444444=1.444444
(3 3/7) / (1 4/9) = 3.428571 / 1.444444 = 2.373627

Estimate of the quotient: 2.373627

Exact quotient:
3 3/7=(7*3+3)/7=(21+3)/7=24/7
1 4/9=(9*1+4)/9=(9+4)/9=13/9

(3 3/7) / (1 4/9) = (24/7) / (13/9) = (24/7)*(9/13)=(24*9) / (7*13)=216/91

Exact quotient: 216 / 91 = (182+34) / 91 = 182 / 91 + 34 / 91 = 2 34/91

Exact quotient: 216/91 = 2  34/91

Rodney bought a 25-pound bag of dog food. His dog ate 10 2/5 pounds of the food in the first month and 10 4/5 pounds in the second month. How much dog food, in pounds, was remaining in the bag at the end of the two months?

Answers

3 4/5 pounds left.
10 2/5 + 10 4/5 = 21 1/5.
25 - 21 1/5 = 3 4/5.

Answer:

[tex]3\frac{4}{5}[/tex] pounds of food

Step-by-step explanation:

We have been given that Rodney bought a 25-pound bag of dog food. His dog ate [tex]10\frac{2}{5}[/tex] pounds of the food in the first month and [tex]10\frac{4}{5}[/tex] pounds in the second month.  

Let us find the amount of dog-food eaten by dog in two months.

[tex]\text{Dog-food eaten in 2 months}=10\frac{2}{5}+10\frac{4}{5}[/tex]

[tex]\text{Dog-food eaten in 2 months}=\frac{52}{5}+\frac{54}{5}[/tex]

[tex]\text{Dog-food eaten in 2 months}=\frac{52+54}{5}[/tex]

[tex]\text{Dog-food eaten in 2 months}=\frac{106}{5}[/tex]

Now we will subtract amount of food eaten by dog from the amount of food initially to find the remaining amount of dog food.

[tex]\text{Remaining amount of dog-food}=25-\frac{106}{5}[/tex]

[tex]\text{Remaining amount of dog-food}=\frac{5*25}{5}-\frac{106}{5}[/tex]

[tex]\text{Remaining amount of dog-food}=\frac{125}{5}-\frac{106}{5}[/tex]

[tex]\text{Remaining amount of dog food}=\frac{125-106}{5}[/tex]

[tex]\text{Remaining amount of dog food}=\frac{19}{5}[/tex]

[tex]\text{Remaining amount of dog food}=3\frac{4}{5}[/tex]

Therefore, [tex]3\frac{4}{5}[/tex] pounds of food was remaining in the bag at the end of the two months.

It took Eduardo 8 hours to drive from buffalo, NY to new York city, a distance of about 400 miles. Find his average speed.

Answers

50 mph

Hope this helped!

Write a general formula to describe the variation: M varies jointly with the cube root of the difference B and b.

Answers

The general formula to describe the variation: M varies jointly with the cube root of the difference B and b is [tex]M=k \sqrt[3]{(B-b)}[/tex]

What is joint variation?

When two (or more) other variables are held constant, joint variation occurs when one variable directly fluctuates as each of the other variables.

Given that;

M varies jointly with the cube root of the difference B and b

The difference of  B and b (B-b)

let K be the the constant of proportionality

cube root of the difference B and b, [tex]\sqrt[3]{(B-b)}[/tex]

Then we have [tex]M=k \sqrt[3]{(B-b)}[/tex]

Final Answer:

[tex]\[ M = k \cdot \sqrt[3]{B - b} \][/tex]

Explanation:

In the given context, the formula [tex]\( M = k \cdot \sqrt[3]{B - b} \)[/tex] represents a joint variation between the variable M, the cube root of the difference between B and b, and a constant of proportionality (k).

Joint variation occurs when a variable is directly proportional to the product of two or more other variables, each raised to a specific power.

Breaking down the formula, [tex]\( \sqrt[3]{B - b} \)[/tex] signifies the cube root of the difference between B and b. This reflects the relationship where M is jointly influenced by both the magnitude and sign of the difference between B and b.

The constant of proportionality (k) is introduced to account for the specific numerical relationship between M and the cube root of the difference.

For a practical example, consider a scenario where M represents the volume of a gas, B is the initial pressure, and b is the final pressure. The formula captures how the volume varies jointly with the cube root of the pressure difference.

As the pressure difference increases, the cube root of the difference influences the volume of the gas, and the constant of proportionality ensures the appropriate scaling of this relationship.

The joint variation formula provides a concise representation of the complex relationship between the variables involved.

The two tables below show the success rates of several groups of businesses in a certain city. The first shows the number of businesses of several types started in Sharon’s city over the course of two years, and the number of those businesses which did not succeed and were forced to shut down within two years of opening. The second deals with separate records of successful new businesses, showing how much profit those new businesses turned over two years. Businesses on the boundary lines fall in the lower category. Type Food Retail Financial Service Opened 3,193 2,280 1,898 5,045 Closed 1,977 1,626 1,443 3,548 Up to $25k $25-50k $50-75k $75-100k Over $100k Food 945 623 601 258 114 Retail 813 548 347 188 63 Financial 316 244 195 86 51 Service 979 739 432 174 124 Using the tables as experimental data, determine which of the following situations have a probability of at least 15.00%. I. a food establishment succeeding and earning $50,000 or more II. a service establishment succeeding and earning between $25,000 and $75,000 III. a retail establishment succeeding and earning no more than $50,000 a. I only b. I and II c. II and III d. III only

Answers

The answer is D. III only. A retail establishment succeeding and earning no more than $50,000 is correct in the choices given.

Answer:

The answer is D on edge 2020.

Step-by-step explanation:

Vanessa earns a base salary of $400.00 every week with an additional 5% percent commission on everything she sells. Vanessa sold $1650.00 worth of items last week.

What was vanessas total pay last week

Answers

Vanessa’s total pay is $482.50

Two numbers have a difference of 0.7 and a sum of 1 . What are the numbers ?

Answers

The two numbers are 0.85 and 0.15

0.85 + 0.15 = 1
0.85 - 0.15 = 0.7


hope this helps

Name all pairs of vertical angles.

Answers

4 vertical angles, these are the legs of the table
:)

Write an inequality to represent the situation. Twelve times a number increased by four is no more thsn twenty-three.

Answers

Hi there!

The inequality for this situation is

12x + 4 <= 23
Where x is the number. 

Hope this helps!

Let x be the number.

Twelve times the number x  is 12·x=12x.

The number 12x increased by four is 12x+4. This result is no more than twenty-three, then

12x+4≤23.

Answer: 12x+4≤23.




There are four steps in solving one’s personal financial challenges:

1. considering opportunity costs
2. assessing risks and returns
3. setting short- and long-term goals
4. assessing needs and wants

Which of these is the correct order of these steps?


2, 3, 1, 4

1, 2, 3, 4

4, 1, 2, 3

3, 1, 4, 2

Answers

Answer: C. 4, 1, 2, 3.

I hope this helps :)

Answer: Third option is correct.

Step-by-step explanation:

Since there are four steps in solving one's personal financial challenges:

1) First he needs to assessing the needs and wants .

2) Then, he will consider opportunity costs, i.e. next best alternative.

3) Then, he will assessing the risks and returns associated with the opportunity costs.

4) Last, but not the least, he will be setting short and long term goals.

So, The correct order of these steps is 4,1,2,3.

Hence, Third option is correct.

help please in eed answers asap

Answers

A cube has the same length for its height, width, and length.  So to find the volume, we multiply:

4.2 x 4.2 x 4.2 = 74.088 cm^3

Answer:

74,088 cm³

Step-by-step explanation:

[tex]whl = V \\ \\ [4,2]^{3} = 74,088[/tex]

I am joyous to assist you anytime.

A stained glass window is in the shape of an equilateral triangle. what is the measure of one interior angle of the triangle

Answers

For an equilateral triangle, the only angle for the inside can be 60 degrees. 

60° x 3 (Angles) = 180°

What is the solution to this inequality? 17+x≥33

Answers

Hello there,

The answer to your question would be:

[tex]x \geq 16[/tex]

Hope I helped you. Good luck.
The answer should of been x ≥ 16

The speed limit on a highway is 55 miles per hour. This means that vehicles cannot legally drive at speeds over 55 miles per hour. Write an inequality that is true only for speeds in miles per hour, x, at which vehicles can drive legally on the highway.

Answers

x < or = to 55 mph.
Hope it helps! :)

If the APY of a savings account is 5.3%, and if the principal in the savings account is $5100 for an entire year, what will be the balance of the savings account after all the interest is paid for the year?
A. $5300.00
B. $5127.03
C. $5100.00
D. $5370.30

Answers

the answer is D. hope this helps

Answer:

Option D - $5370.30

Step-by-step explanation:

Given : If the APY of a savings account is 5.3%, and if the principal in the savings account is $5100 for an entire year.

To find : What will be the balance of the savings account after all the interest is paid for the year?          

Solution :

First we find the interest he paid.

The interest formula is [tex]I=P\times R\times T[/tex]

Where, P is the principal P=$5100

R is the rate of interest R=5.3%=0.053

T is the time T=1 year

Substituting the values,

[tex]I=5100\times 0.053\times 1[/tex]              

[tex]I=\$270.3[/tex]                  

The balance of the saving account is the sum of interest paid and principal value.

Amount = Interest +Principal

Amount = $270.3 +$5100          

Amount = $5370.3

Therefore, Option D is correct.      

At what Kelvin temperature will a sample of gas occupy 12 liters if the same sample occupies 8 liters at 27 °C?

Question 11 options:

45.0K


450K


40.5K


405K

Answers

Since the gas it is getting compressed with a change on temperature, we consider that the pressure is constant, and of course the number of mole is constant (same gas), therefore, from the ideal gas law
P
V
=
n
R
T
we can say:
V
T
=
constant
Therefore,
V
1
T
1
=
V
2
T
2
⇒
T
1
=
V
1
×
T
2
V
2
⇒
T
1
=
12
L
×
300
K
8
L
=
450
K
A=450k

HELP WILL MARK BRAINLIEST
Use the net to find the lateral area of the cylinder
height is 9inch and radius is 5inch

Answers

Lateral Area = 2πrl

Lateral Area = 2 x π x 5 x 9 

Lateral Area = 282.74 in²

---------------------------------------------------------------------------
Answer: The lateral area of the cylinder is 282.74 in²
---------------------------------------------------------------------------

An experienced roofer can roof a house in 26 hours. A beginning roofer needs 39 hours to complete the same job. Find how long it takes for the two to do the job together

Answers

The way to do this is to use the formula
1/r1 + 1/r2 = 1/rt
r1 = time for roofer 1 in hours = 26 hours.
r2 = time for roofer 2 in hours = 39 hours.

1/26 + 1/39 = 1/rt
0.03846 + 0.02564 = 1/rt
0.06410 = 1/rt ****** (I've used these stars later on. Ignore them now) 

You could go on one of two ways. You could put 1 one under 0.06410 and cross multiply. I'll do that first.

0.06410 / 1 = 1/rt
0.06410 * rt = 1 * 1
0.06410 * rt = 1 Now divide by the number on the left.
rt = 1/0.06410
rt = 15.6

Or you could do this. Go back to the step with the stars. 
Turn both steps upside down

0.06410 = 1 / r2 Take the reciprocal of both sides.
1/0.06410 = r2
r2 = 15.6 hours for both roofers working together.

There are other ways of doing this problem. None are any quicker. The point is that your answer should come to a number below either of the workers. It makes sense. The slower worker still does some work, but the faster worker does most of it.

Final answer:

The experienced roofer and the beginning roofer together can complete the job in approximately 15.6 hours, which is found by adding their work rates and taking the reciprocal of the sum.

Explanation:

To find how long it takes for both an experienced and a beginning roofer to roof a house together, we need to sum their work rates and then find the reciprocal of that sum. We'll start by considering the work rates of both the experienced and the beginning roofer. The experienced roofer can roof a house in 26 hours, which means the roofer completes 1/26 of the job per hour. The beginning roofer completes the job in 39 hours, which is 1/39 of the job per hour.

Now, we can calculate their combined work rate:
1/26 + 1/39 = (39 + 26) / (26 * 39) = 65 / 1014 = 1/15.6

These two roofers together complete 1/15.6 of the job per hour. To find out how long it will take them to complete the job together, we take the reciprocal of this rate:
1 / (1/15.6) = 15.6 hours.

Therefore, it would take the experienced and beginning roofer combined around 15.6 hours to roof the house together.

What number fills in the blank to complete the factorization of 3x + 24?


(x + 8)

Answers

Answer:

The factor form of given expression is 3(x+8) so the required number is 3.

Step-by-step explanation:

The given expression is

[tex]3x+24[/tex]

Write the factors of each term.

[tex]3x+24=3\times x+3\times 8[/tex]

In both terms, 3 is a common factor.

Take out the common factor 3.

[tex]3x+24=3(x+8)[/tex]

The factor form of given expression is 3(x+8). The factor (x+8) is given, therefore the required number is 3.

A cardboard sheet is cut in the shape of a triangle, with vertices at (0,0), (20,0), and (3,4) units. the thickness of the sheet is uniform. what is the x-coordinate of its center of mass?

Answers

This problem can be solved in two ways, the long way, or the short way.

1. The long way
We know that the base of the triangle is along the x-axis, and the length of the base is 20.
The centre of mass is located at 2/3 of the distance from vertex (3,4) along the median, which cuts the base at (10,0).
Therefore the centre of mass is located at
x=3+(10-3)*2/3=23/3
y=4/3

2. The short way
It turns out that the centre of mass of a triangle sheet is located at the mean of the coordinates of the three vertices, i.e.
CG=((0+20+3)/3, (0+0+4)/3)=(23/3, 4/3)  as before.

Will someone please find the value of x for these questions

Answers

Try this solution:

12) for h=√(10²-6²)=8
then 
[tex] \frac{x-6}{8} = \frac{8}{6}; \ =\ \textgreater \ \ x= \frac{50}{3} [/tex]

14) 6:11 as x:10. It means that
[tex] \frac{6}{11} = \frac{x}{10}; \ =\ \textgreater \ \ x=6*10/11= \frac{60}{11} [/tex]

What is the product of (-1/4) x (-3/7)? Write your answer in simplest fraction form

Answers

[tex]\frac{-1}{4}\times \frac{-3}{7} = \frac{(-1)(-3)}{(4)(7)} = \frac{3}{28}[/tex]

A circle has a circumference of 361π. What is the diameter of the circle?

Answers

Circumference of a circle = πD

Given that the circumference = 361π

πD =  361π

D = 361 units

The formula to find circumference of circle is given by

[tex] C =2\pi r [/tex]

Where r is radius of circle and pi =3.14

We are given Circumference here as 361π

Plugging the value in the formula :

[tex] 361\pi =2\pi r [/tex]

r=361/2 = 180.5

radius of circle is 180.5.

We know that Diameter is double of radius.

So diameter = 2*180.5 = 361

Answer: Diameter of circle is 361.

i,ii,iii,iiii,iiiii what is the twentieth term?

Answers

I think it would be iiiiiiiiiiiiiiiiiiii since it seems to just be adding an i each time. Hope this helps.

a store received 500 containers of milk to be sold by Febuary 1. Each container the store sold $0.83 and sold for $1.67. The store signed a contract with the distributor in which the distributor agreed to a $0.50 refund for every container not sold by Febuary 1. If 470 containers were sold bu February 1, how much profit did the store make?

Answers

$409.80.

The amount of net profit the store makes on each container is given by 1.67-0.83 (the amount it is sold for subtracted by the amount it costs the store), which is $0.84 per container.  They sell 470 containers, so the net profit at this point is 470(0.84) = $394.80.

However, since the distributor is giving the store a $0.50 refund on all every container under 500 that the store sells, the store gets additional money back:

500-470 = 30 containers not sold
30(0.50) = 15

So the total profit is $394.80 + 15 = $409.80.

Carlos’s hockey team has ten players, not counting the goalie.Five non goalie players need to be selected for a starting line-up.

A)How many different starting lineups are possible if positions are not assigned?

B)How many starting lineups are possible if positions are assigned?

Answers

Final answer:

There are 252 different starting lineups possible if positions are not assigned, and 30,240 starting lineups are possible if positions are assigned.

Explanation:

For part A of the question, where positions are not assigned, we can calculate the number of different starting lineup combinations by using the combination formula. Since we are choosing 5 players out of 10 without regard to order, we use:

C(n, k) = n! / (k!(n-k)!)

Where n is the total number of players to choose from, and k is the number of players we want to choose. Therefore, we have:

C(10, 5) = 10! / (5! (10-5)!) = 252

There are 252 different starting lineups possible if positions are not assigned.

For part B, where positions are assigned, we use the permutation formula because the order in which we select the players matters. This formula is:

P(n, k) = n! / (n-k)!

Since the order in which the players are chosen matters, we have:

P(10, 5) = 10! / (10-5)! = 30,240

There are 30,240 different starting lineups possible with positions assigned.

A bag of trail mix weighs 2 lb. By weight, 20% of the bag is oats. How many pounds is the
oats portion of the trail mix?
(a) Write an equation for the situation and label the “part,” “whole,” and “percent.”
HELP DUE TONIGHT

Answers

0.2(2) = x; 0.2 is the percent, 2 is the whole, and x is the part; x = 0.4 lb.

20% = 20/100 = 0.2.  Multiplying the percent by the whole gives us the part; 0.2(2) = 0.4.
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