Please help! I need the right answer : (

A cone with the height h radius r has volume v=1/3 m2h. if the cone has a height of 6 in. And volume of v=8♊︎(pie)x+24m♊︎(pie), what is the radius r in terms of x? A. r=3x+2. B. r=4x^2+12x+9. C. r=2x+3 D. r= (2x+3) (2x-3)

Answers

Answer 1

Answer:9514 1404 393

Answer:

 h = 3V/(πr²)

Step-by-step explanation:

The formula can be solved for h by multiplying both sides by the inverse of the coefficient of h.

 

_____

Additional comment

Whenever a variable has a coefficient you don't want, you can make that be 1 by multiplying the equation by the inverse of the coefficient. This is the same as dividing by the coefficient. This makes use of the fact that for any non-zero 'a', the ratio a/a has a value of 1. Anything multiplied by 1 is unchanged.

 V = ah   ⇒   V/a = (ah)/a = h(a/a) = h·1 = h

Note that we multiply the whole equation (both sides of the equal sign) by 1/a. The basic rule of equality is that you can do whatever you like to an equation, as long as you do it to both sides.

Step-by-step explanation:


Related Questions

What statement is NOT true comparing the two
box and whisker plots?

Answers

Answer: C

Step-by-step explanation:

The minimum is the line furthest to the left, and they are both lined up. The median, the line inside the box, is on 12. The third quartile, the edge of the box on the right hand side, are the same for both graphs. However, test 1 has a lower first quartile, the edge of the box on the right hand side, than test 2.

C because it is higher den the first

Use the box plots comparing the number of boy dogs and number of girl dogs attending doggy daycare each day for a month to answer the questions.

Answers

The boxplots 1 and 2 represent the distribution of data using a five number summary for the male and the female attendance.

What will be the solution?

(a) The IQR of the male's data

The first box plot represents the male's boxplot.

So, we have:

Upper quartile (Q3) = 14

Lower quartile (Q1) = 2

The IQR is the difference between the above values

IQR = Q3 - Q1

So, we have:

IQR = 14 - 2 = 12

So: the IQR for the males' data is 12

(b) The difference in the median values

From the first and second boxplots, we have:

Median male = 10

Median female = 18

The difference (d) between these values is

d = 18 - 10

d = 8

So: the difference between the median values of each data set is 8

(c) The distribution of data

This is dependent on whether the dataset has an outlier or not.

From the figure, we have:

Male's data: presence of an outlier - use median

Female's data: absence of an outlier - use mean

So: the male dataset is measured by median, while the mean is a better measure of center for the female's data

(d) Reason for outliers

A possible reason for outliers is sampling problems

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If the dimensions of a rectangle with a perimeter of 12 cm are doubled, what will be
the perimeter of the new rectangle?

Answers

Step-by-step explanation:

the perimeter is the sum of the 4 individual sides.

if the sides are doubled, so is the sum of them.

therefore, the new perimeter is then

12×2 = 24 cm

Find the volume of the solid.

Answers

Solid is a substance that can be measured. The required volume of a solid is 90 cubic cm

Volume of solids

The formula for calculating the volume of a solid ie expressed as:

V = lwh

l is the length

w is the width

h is the height

For the given figure;

Volume =  (11 * 2 * 3) + (2 * 3 * 4)
Volume = 66 + 24
Volume = 90 square cm

The required volume of a solid is 90 cubic cm

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I'm so confused on what I did wrong ​

Answers

Answer:

[tex]r < 15.5[/tex]

Step-by-step explanation:

Step 1:  Add 4.5 to both sides

[tex]r - 4.5 < 11[/tex]

[tex]r - 4.5 + 4.5 < 11 + 4.5[/tex]

[tex]r < 15.5[/tex]

Answer:  [tex]r < 15.5[/tex]

I don't really know what you did wrong but it seems like you added 45 to 11 instead of adding 4.5 to 11.

Hope this helps!  Let me know if you have any questions

Problem 6.1
Which number is larger?
12x10^9
4x10^9

Answers

Answer:

7 7^10

1 5^9

yan po yung sagot

sana makatulong

Find the cardinal number for the following set A.
A= {x | x is a letter in the word aftershock}
The cardinal number of set A is

Answers

Answer:

I hope this answer is correct

What type of solution is this expression (one solution, no solution, or infinite solutions)
4x + 2x - 2 = 3x + 7

Answers

Answer: One solution

Step-by-step explanation:

6x-2=3x+7

3x-9

x=3

Area of prisim…………………

Answers

Answer:

85.2 cm^2

Step-by-step explanation:

two bases' area    2 * 15.6 = 31.2 cm^2

  now add the three sides....they are all the same size

      three  X  6 x 3   = 54 cm^2

summed = 85.2 cm^2

Sulio wants to build a wooden fence to enclose his vegetable garden. Determine the amount of fencing he needs by finding the perimeter of the garden.

Perimeter = 2 times length + 2 times width. The length of a garden is 8 feet and the width is 6 feet.

Evaluate the formula for the perimeter of a parallelogram to solve the problem. Then check all that apply.
First, write the formula for the perimeter of a parallelogram, P = 2l + 2w.
Next, use parentheses when you substitute 8 for l and 6 for w.
After multiplying, add 16 and 12.
Sulio needs 28 feet of fencing.
Sulio needs 48 feet of fencing.

Answers

The perimeter of the rectangle is 28 feet. Then Sulio needs 28 feet of fencing.

What is the perimeter of a rectangle?

For a rectangle with length and width L and W units, we get:

Perimeter of the rectangle = 2(L + W) units

Sulio wants to build a wooden fence to enclose his vegetable garden. Determine the amount of fencing he needs by finding the perimeter of the garden.

The length of a garden is 8 feet and the width is 6 feet.

Then the perimeter of the rectangle will be

Perimeter = 2 (8 + 6)

Perimeter = 2 x 14

Perimeter = 28 feet

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Answer:

Look at this image.

Step-by-step explanation:

A, B, C, D. I am intelligent

Vicky has a spinner divided into 9 equal sections that are labeled 1 though 9. She wants to compare the theoretical probability and the experimental probability of spinning an odd number. She spins the spinner 10 times and records the results in this list.

{2, 4,​ 1, 8, 7, 5, 3, 4, 1, 9}

**Note - There are 3 answers. You must select 3 answers.**

The theoretical probability of spinning an odd number is equal to ______. The experimental probability of spinning an odd number is equal to ______. Therefore, the theoretical probability of spinning an odd number is _____ the experimental probability of spinning an odd number.

Question 7 options:

2/3


3/5


less than


greater than


1/2


5/9


1/5

Suppose you toss a coin and then roll a number cube.

What is the sample space for the compound event?

Question 9 options:

H1 T1 H6 T6


H T 1 2 3 4 5 6


H1 T1 H2 T2 H3 T3 H4 T4 H5 T5 H6 T6


TH1 TH2 TH3 TH4 TH5 TH6

A restaurant is serving a special lunch combo meal that includes a drink, a main dish, and a dessert. Customers can choose from 5 drinks, 6 main dishes, and 3 desserts.

How many different combo meals are possible?

Customers can create ______ different lunch combo meals.

Question 10 options:

36


90


14


120


Frank opens several pea pods & counts the number of peas in each pod. He records the number peas per pod: 7,8,9,10,11 Number of times: 1,4,18,15,2. written as a percent, what is the experiment probability that the pea pod has 9 peas in it? 48.8% 45% 18% 12.5%

Answers

The theoretical probability of spinning an odd number is equal to 5/9.

The experimental probability is equal to 3/5.

The theoretical probability of is greater than the experimental probability.

The sample space is H1 T1 H2 T2 H3 T3 H4 T4 H5 T5 H6 T6.

The different combo meals that are possible is 90.

The experiment probability that the pea pod has 9 peas in it is 45%.

What are the probabilities?

Probability is used to determine how likely it is that an event would happen. Experimental probability is based on the result of an experiment that has been carried out multiples times

The theoretical probability of spinning an odd number = odd numbers between 1 and 9 / 9 = 5/9

The experimental probability = number of odd number / sample space

6/10 = 3/5

The different combo meals possible = 6 x 5 x 3 = 90

The experiment probability that the pea pod has 9 peas in it = number of pods with 9 peas / total number of peas

(18/40) x 100 = 45%

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The area of a triangle is 7.5 . The base of the triangle is 5 cm .what is the height of this triangle.

Answers

B=5cm

Area

1/2BH=7.51/2(5)H=7.52.5H=7.5H=7.5/2.5H=3cm
Answer:

= 3 cm

Step-by-step explanation:

[tex] \frac{1}{2} BH = 7,5 \\ \\ (\frac{1}{2} \times5)H=7,5 \\ \\ 2,5H = 7,5 \\ \\ H=7,5 \div 2,5 \\ H=3 \: cm[/tex]

Answer by Nina

Don't copy from anywhere ✅

Don't Look at Rank ✅

Which term refers to when there are excessively large amounts of people in a specific area, which limits access to resources?
A. Population
B. Migration
C. Refugee
D. Overpopulation

Answers

Answer:

D. Overpopulation

Step-by-step explanation:

Overpopulation is the number of a people in an area exceeds the capacity of the environment to support life at a decent standard of living. When there is a population exceeding the amounts of resources that are provided, it can cause issues as there are nonrenewable resources meaning that there is limited resources for everyone. This is bad as it can become a crisis.

What is the circumference of the circle shown in terms of pi?

Answers

Answer:

10πcm

Step-by-step explanation:

radius of the circle= 5cm

circumference of a circle has the formular

= 2πr

= 2×π×5

then In terms of pi

= 10πcm

Il give people 50 points If they do this please

Answers

Answer:

a) Time spent, x (minute): 50 < x ≤ 60

b) Time spent, x (minute): 20 < x ≤ 30

Step-by-step explanation:

a) The modal class is the class interval with the highest frequency in a frequency table which is 21 (right column)

b) Find the total amount of Frequency:

12 + 18 + 11 + 9 + 8 + 21 = 79

to find mid number through the data set divided by 2:

79 / 2 = 39.5

so add up the frequency till you reach 39.5 (max)

12 + 18 = 30

30 + 11 = 41   this passes through 39.5 so the median is in the 3rd row

Please someone help me​

Answers

Answer:

Pls can u type it out ur self so I can help u out

Ralph deposited $910 in an account that pays 1.75% simple interest, for three years.
How much interest did the account earn?
What is the ending balance?
How much interest did the account earn the first year?
How much interest did the account earn the third year?

Answers

Answer:

Find the interest. Formula interest = PRT Principal x rate x time

910.00 x 1.75% x 1 =

910.00 x 0.0175 x 1 =

15.93 is the interest.

Step-by-step explanation:

85% of fans going to a baseball game will spend at least $7.00 on food at the ballpark.
If 38,214 fans come out to Miller Park to watch the Milwaukee Brewers play against the Miami Marlins, how
much money will the ballpark make on food sales?

Answers

Answer:

$227,373.3

Step-by-step explanation:

85% of 38,214 is 32,481.9

If 32,481.9 will spend at least $7.00 on food that will give us $227,373.3

solve the equation 1/x + 3/x =16​

Answers

1/x + 3/x = 16
4/x = 16
4/16 = x
1/4 = x

[tex] \qquad \qquad \qquad \frac{1}{x} + \frac{3}{x } = 16[/tex]

This is how to solve your problem:

Combine fracrions with common denominator

[tex] \qquad \qquad \frac{1}{x} + \frac{3}{x} = 16[/tex]

[tex] \qquad \qquad \frac{1 + 3}{ x} = 16[/tex]

Add the numbers

[tex] \qquad \qquad \qquad\frac{1 + 3}{x} = 16[/tex]

[tex] \qquad \qquad\frac{4}{x} = 16 [/tex]

Multiply all terms by the same value to eliminate fraction denominators

[tex] \qquad \qquad \qquad \color{skyblue}{ \frac{4}{x} = 16}[/tex]

[tex] \qquad \qquad \qquad \color{gold}{x .\frac{4}{x} = x.16}[/tex]

Cancel multiplied terms that are denominator

[tex] \qquad \qquad \: x.\frac{4}{x} = x.16 [/tex]

[tex] \qquad \qquad 4 = x.16[/tex]

Re-order terms so constants are on the left

[tex] \qquad \qquad4 = x.16[/tex]

[tex] \qquad \qquad 4 = 16x[/tex]

Divide boths sides by the same factor

[tex] \qquad \qquad4 = 16x[/tex]

[tex] \qquad \qquad\frac{4}{16} = \frac{16x}{16} [/tex]

Simplify

divide the numbersCancel terms that are in both the numerator and denominatorMove the variable to the left

[tex] \qquad \qquad x = \frac{1}{4} [/tex]

the final answer is :

[tex]x = \frac{1}{4} [/tex]

A ladder 5m long rests against a house and makes an angle of 720 with the ground. How far does the ladder reach up the wall?

Answers

Um the angle is 72. No ladder can make an angle of 72. Anyway trigonometry is the only way to solve this.

The function is sin. Sin(72)= opposite/5(hypotenuse)
5sin(72)=4.76 metres to 2 decimal places

A. Reflect across the x-axis, then shift 10 units up
B. Reflect across the x-axis, then shift 4 units up
OC. Reflect across the x-axis, then shift 6 units up
n Deflect across the wavie then chift & unite un
← PREVIOUS

Answers

Answer:

b. reflects across the x-axid then shift 4 units up

Step-by-step explanation:

(5,3)

km2 − m Please answer!!!!!

Answers

Step-by-step explanation:

1km=1000m

2km=2×1000m

2km=2000m

HELP ASAP!! (NO LINKS) I WILL GIVE BRAINLIEST
The numbers of attendees at the carnival over the last 15 days are 50, 200, 175, 125, 75,
100, 150, 225, 250, 100, 125, 75, 25, 225, and 175. identify the box-and-whisker plot for
the data.

Answers

Answer:

The answer is C.

Step-by-step explanation:

From looking at the values you are given. The only one that matchs with your beginning values of 25 and endding values of 250 is answer C. For a more elaborate explanation, please ask another student for more details.

Julia is using this figure to prove that triangle ABC is an isosceles triangle. First, she used the converse of the perpendicular bisector theorem and the definition of perpendicular lines to determine that CE is the perpendicular bisector of AB.

Answers

The next step of the valid proof is that AE = CE because of the perpendicular bisector theorem.

What is a perpendicular bisector theorem?

The perpendicular bisector theorem states that any point on the perpendicular bisector is equidistant from the endpoints of the line segment on which it is drawn.

In this case, Julia is using this figure to prove that triangle ABC is an isosceles triangle. After the steps given, the next step will be to indicate that AE = CE because of the perpendicular bisector theorem.

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Answer:

AC = BC  because of the perpendicular bisector theorem

Step-by-step explanation:

I got it right on the test

Factor: 2n2 - 11n + 15

Answers

Answer:

(2n-1)(n-5)

Step-by-step explanation:

2n2-11n+5

2n2-10n-1n+5

(factorize)

2n(n-5)-1(n-5)

(2n-1)(n-5)

4. Use the formula to evaluate the series 3 + 6 + 12 + 24 +48 +96. Sn a₁(1 - r^) 1-r​

Answers

Answer:

[tex]S_6=189[/tex]

Step-by-step explanation:

This is a geometric series with [tex]a_1=3[/tex] and common ratio [tex]r=2[/tex]. Using the formula [tex]\displaystyle S_n=\frac{a_1(1-r^n)}{1-r}[/tex] to find the sum of the first [tex]n=6[/tex] terms, we have:

[tex]\displaystyle S_n=\frac{a_1(1-r^n)}{1-r}\\\\S_6=\frac{3(1-2^6)}{1-2}\\\\S_6=\frac{3(1-64)}{-1}\\\\S_6=\frac{3(-63)}{-1}\\\\S_6=\frac{-189}{-1}\\\\S_6=189[/tex]

So, the given series works out to be [tex]S_6=189[/tex].

Sandy baked two dozen cookies. She gave ten cookies to the neighbours and ate three cookies.
How many cookies are left?

Answers

Answer:

11

Step-by-step explanation:

2 dozen = 24

24-10=14

14-3=11

Answer:

11

Step-by-step explanation:

two dozens is 24 because one dozen is 12. 24-10=14-3=11

The temperature outside changed from 82°F to 46°F over a period of six days. If the temperature changed by the same amount
each day, what was the daily temperature change?
A. 36°F
B. -6°F
C. 6°F
D. -36°F

Answers

to find the daily change, let’s first find the total change
46 – 82 = -36 °F

we have 6 days, so divide
-36 / 6 = -36 °F per day

Answer:

B. -6

Step-by-step explanation:

You know immediately that it will be negative, because the temp is going down.

To find the exact answer, start by finding the difference between the two temps

82-46 = 36

since its a six day period, divide 36 by 6

36/6 = 6

so, the answer is -6

Find the time that that the projectile will reach a height of 96 ft and return to the ground when v0 = 112 feet per second

Answers

The time that the projectile will reach a height of 96 ft and return to the ground will be 6 seconds.

What is kinematics?

It is the study of the motion of a body without considering mass. And the reason behind them is neglected.

The projectile will reach a height of 96 ft and return to the ground when v₀ = 112 feet per second

The time it takes to reach feet and return to the ground will be

T = 2v₀  /  g

Where g = 32.2 feet per square second.

Then we have

T = 2 x 112 / 32.2

T = 5.956

T ≅ 6 seconds

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Can someone explain this step by step for me? its from a review so ignore my wrong answer. Thank you!

Answers

Answer:

[tex]P(\text{Male}|\text{Divorced})\approx0.092[/tex]

Step-by-step explanation:

[tex]\displaystyle P(\text{Male}|\text{Divorced})=\frac{P(\text{Male and Divorced})}{P(\text{Male})}=\frac{\frac{9.6}{214.7}}{\frac{104.5}{214.7}}\approx0.092[/tex]

We can even break this down further by simply only looking at the total amount of males, and finding the proportion of males that are divorced, which is [tex]\frac{9.6}{104.5}\approx0.092[/tex], the same value.

Note that P(Male | Divorced) means the probability of choosing a male, given (|) that person is divorced.

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