What is the volume of a hemisphere that has a diameter of 12.6 cm, to the nearest tenth of a cubic centimeter?

Answers

Answer 1
Volume of a sphere = 4/3 pi r^3
A hemisphere is half a sphere so 1/2*4/3 pi r^3 = 2/3 pi r^3
Given diameter = 12.6 but we need radius so diameter /2 or 12.6/2 r=6.3
2/3*pi*6.3^3 =
2/3*pi*250.047
166.698*pi
= 523.7

Related Questions

265.6 is what percent of 256 rounded to the nearest tenth

Answers

Answer:

103.75 %

Step-by-step explanation:

[tex] \frac{265.6}{256} \times 100[/tex]

Take 265.6 and divide it by your original number of 256. Now multiply this resultant by 100 to see your final answer rounded to the nearest 10th.

Answer:

256:265*100 =

(256*100):265 =

25600:265 = 96.6

Step-by-step explanation:

Percentage solution with steps:

Step 1: We make the assumption that 265 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$x.

Step 3: From step 1, it follows that $100\%=265$100%=265.

Step 4: In the same vein, $x\%=256$x%=256.

Step 5: This gives us a pair of simple equations:

100%=256(1)

x%=256(2)

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%);

100%/x% = 256/256

Step 7: Taking the inverse (or reciprocal) of both sides yields

x%/100%=256/256

-->x=96.6%

Therefore, 256 is 96.6% of 265

In \triangle VWX,△VWX, \angle X \cong \angle W,∠X≅∠W, WX = 18WX=18 and VW = 16VW=16. Find the length of XV.XV.

Answers

Answer: 16

Step-by-step explanation:

1/2 divided by n = 1/8

Answers

1/2 divide by 4/1 = 1/8
when u divide u flip the second fraction around and multiply
1/2 x 1/4 = 1/8

Is the following a true or false statement about this rectangle? I have 2 pairs of sides of equal length.

Answers

Answer:

A rectangle has two pairs of opposite sides parallel, and four right angles. It is also a parallelogram, since it has two pairs of parallel sides. ... It is also a rectangle and a parallelogram. A rhombus is defined as a parallelogram with four equal sides.

Step-by-step explanation:

What is the factorization of the trinomial below?
x² - 6x + 5
A. (x+4)(x-2)
B. (X - 5)(x - 1)
C. (x+5)(x - 1)
D. (x-4)(x - 2)

Answers

Answer:

B)

Step-by-step explanation:

Solve: 5x2 + 25x = 0. (2 points)

Answers

Answer:

=−5

Step-by-step explanation:

Fourteen years time a mother will be twice as old as her son.Four years ago the sum of their ages was thirty .Find their ages

Answers

Answer:

son=12 years

Step-by-step explanation:

mother= 26 years

thats my answer please help me to my question

Work Out The Area Of The Shape:

(Picture is shown in attachment)

Answers

Answer:

Solution :-

The given shape is known as Trapezium or Trapezoid.

Area of trapezium = ½(Sum of parallel dides) × Height

Area = ½ (3 + 6) × 4

Area = (3 + 6) × 2

Area = 9 × 2

Area = 18 m²

[tex] \\ [/tex]

Which of the following examples has a unit rate of 30 meters per second? Select all that apply. A) 90 meters in 5 seconds B) 90 meters in 3 seconds C) 120 meters in 6 seconds D) 150 meters in 5 seconds E) 240 meters in 6 seconds

Answers

The following examples have a unit rate of 30 meters per second:

B) 90 meters in 3 seconds.

D) 150 meters in 5 seconds.

What is division?

The division in mathematics is one kind of operation. In this process, we split the expressions or numbers into the same number of parts.

Given:

We have the unit rate of 30 meters per second.

A) 90 meters in 5 seconds.

The unit rate = 90/5 meters per second.

The unit rate = 18 meters per second.

B) 90 meters in 3 seconds.

The unit rate = 30 meters per second.

C) 120 meters in 6 seconds.

The unit rate = 20 meters per second.

D) 150 meters in 5 seconds.

The unit rate = 30 meters per second.

E) 240 meters in 6 seconds.

The unit rate = 40 meters per second.

Therefore, B and D have the unit rate of 30 meter per second.

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Amber surveyed a random sample of 100 students from her middle school to learn more about what type of school lunches are preferred. The table below shows the result of the survey:

Hamburgers Spaghetti Pizza
Sample #1 44 43 13
Sample #2 39 41 20
Which of the following inferences can be made based on the data? (5 points)

a
Hamburgers are the most preferred lunch.

b
Pizza is two times more popular than spaghetti.

c
Pizza is two times more popular than hamburgers.

d
Hamburgers and spaghetti are preferred almost equally.

Answers

Answer:

d Hamburgers and spaghetti are preferred almost equally.

Please help! And serious answers please

Answers

Answer:

I think  it is 10

Step-by-step explanation:

Well, there are 2 segment of 4 and 1 segment of 3, meaning it is about 10 away. (rounding to the nearest tenth)

test worth 75 points; test score 96% write a proportion

Answers

Answer:

72

Step-by-step explanation:

Answer:

the radius is 7

Step-by-step explanation:

85 orders in 17 days = ? orders in 12 days

Answers

Answer:

60

Step-by-step explanation:

Let the order be x

Solution

85/x= 17/12

1020=17x

1020/17=x

x=60

what is 7 divided by 80?

Answers

Answer:

7 divided by 80 is 0.0875 .

Answer:

0.0875 as a decemial or 7/80 as a fraction

Step-by-step explanation:

In ΔLMN, l = 6.9 cm, m = 8.1 cm and n=8.8 cm. Find the measure of ∠N to the nearest 10th of a degree.

Answers

Answer:

71.3

Step-by-step explanation:

trust me.. delta 2021

Bob has a coin cup with four $1 tokens and two $5 tokens in it. He also has two $10 tokens and one $25 token in his pocket. He
randomly draws a token from the cup, and then randomly draws a token from his pocket. What is the probability that he will draw
$30 in tokens?
A. 1/3
B. 1/9
C. 2/9
D. 4/9

Answers

Answer:

;-;

There is no 30$ tokens

Step-by-step explanation:

i guess its A or b

like the heck

Answer:

n[$1]=4

n[$5]=2

n[$10]=2

n[$15]=1

n[total]=9

getting 10=2/9

y = 5x^2 - 10
what is the rate of change ?
is the function linear or non linear ? why ?

Answers

Answer:

Step-by-step explanation:

Are you in Calculus?  These are calculus concepts!

To calculate the rate of change here you must specify an interval, e. g., "what is the rate of change on the interval (0, 3)?"

If you know calculus:  The 'rate of change' on the interval (a, b) is

                f(b) - f(a)

r. of c. = --------------------

                    b - a

Have you used this formula before?

Because of the 'x^2' term this is NOT a linear function.

If you want more explanation, provide an interval on which you want the average rate of change and ask specific questions of your own.

What is the angle of depression from the top of a 400-fc foot cable that runs from a towel to a point 325 feet away

Answers

45.6 degrees
Step-by-step explanation



First of all this needs to be recognized as a right triangle problem. The angle of depression is the angle outside the triangle that is complementary to the vertex angle (the angle at the top). Geometrically, this angle is congruent to the base angle inside the triangle (NOT the right angle).

Please help me pretty please

Answers

Answer:

28.6

Step-by-step explanation:

Pathagorem therom

based on pythagoras theorem, a right angle triangle's side is a²+b²= c²,

c is the hypotenuse, which is the longest side and the opposite of the right angle

c²= 26²+12²c²= 676+144c²= 820 c= ✓820 c= 28.6357...inch

A golf driving range charges a flat fee of $20 to practice and then $5.75 for a buckets of balls. Write an equation that models the charges (C) in terms of the number of bucket of balls (b) that you use

Answers

Answer:

A

Step-by-step explanation:

Flat fee is $20 [initial cost]

Each bucket of ball is $5.75

b is the number of buckets and c is the total cost

To get total cost, we add the flat fee with the bucket fee. Bucket fee is $5.75 multiplied by the number of buckets, which is b.

So, we have:

cost = $20 + $5.75b

In equation it is:    

Choice A is right.

11) Solve for X. (round to nearest tenth)

Answers

this trangle is square angle trangle 90

19+24=43

90-43=47 answer is 47

Answer:

tan 24 degrees = perpendicular/ base

tan 24= x/19

0.445= x/19

0.445×19 = x

x = 8.445, answer

PLS HELP ME ON THIS , WILL MARK BRAINLIEST

Answers

Answer:

The answers are no, no, yes, no

The radius of a circle is 25 centimeters.
.Enter the circumference of the circle, in centimeters. Round your answer to the nearest hundredth

Answers

Answer:

157.08

Step-by-step explanation:

The formula for circumference is 2πr.

2πr = 2π25 = 50π = 157.079 = 157.08

Ann works in a supermarket for $10.00 per hour. If her pay is increased to $12.00, then what is her percent increase in pay? Show your work.

Answers

Answer:

20% increase in her pay

Step-by-step explanation:

It's 20% increased, because it increased by $2, $2 goes into $10 5 times, and if you were to put that into percentages 2 is a fifth of 10 so that would 20%, because 20 is a fifth of 100.

Answer:

It's 20% increased,  

Step-by-step explanation:

because it increased by $2, $2 goes into $10 5 times, and if you were to put that into percentages 2 is a fifth of 10 so that would 20%, because 20 is a fifth of 100.

For what value of n does (1/36)n=216

Answers

Answer:

(1/36)^n=216

(1/2^2 * 3^2)^n=216

n=-3/2

Step-by-step explanation:

I'm smart

The mean (average) number of albums released by the four artists is 7 albums. Calculate the mean absolute deviation (MAD) of the data shown in the display below.

Answers

Answer:

I'm sorry I dint understand the question very well

What is the circumference of a 2 m circle

Answers

Answer:

4 π m

Step-by-step explanation:

brainliest pls

Answer:

4π m

Step-by-step explanation:

Formula for finding circumference = [tex]2\pi r[/tex] (where 'r' = radius of circle)

Now, according to the question -

Radius of the circle = 2 m

So , by using the formula , circumference = [tex]2 \times \pi \times 2 = 4\pi[/tex] m.  

Vertie rode 3.5 kilometers on a bike. His friend Valene rode 2 000
meters on a bike.
How much farther in kilometers did one person ride than the other?

Answers

Answer:

1.5

Step-by-step explanation:

Vertie rode 3.5 kilometers on a bike. His friend Valene rode 2 000

meters on a bike. 1.5 kilometers farther one person ride than the other.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

Vertie rode 3.5 kilometers on a bike. His friend Valene rode 2 000

meters on a bike.

We know that

one kilometer = 1000 meters

or

1 meter = 1/1000 km

2000 meter will be equal to

2000/1000 = 2 km

So, the difference between the ride of the friends would be

3.5 km - 2 km

= 1.5 km

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3/5 + 3 1/2
Imma Need some help

Answers

Answer:

[tex]4\frac{1}{10}[/tex]

Step-by-step explanation:

Multiply 3/5 by 2 and multiply 1/2 by 5 to have equal denominators of 10.

6/10 + 3 5/10

Now just add them together to get 3 11/10.

Then finally simplify.

3 11/10 ---> 4 1/10

Split £180 into a 7 : 5 ratio

Answers

7 + 5 = 12
180 / 12 = 15
7 x 15 = 105
5 x 15 = 75
£105 : £75

The splitted bill of  £180 into a 7 : 5 ratios are  £105 and  £75 respectively.

What are ratio and proportion?

A ratio is a comparison between two similar quantities in simplest form.

Proportions are of two types one is the direct proportion in which if one quantity is increased by a constant k the other quantity will also be increased by the same constant k and vice versa.

In the case of inverse proportion if one quantity is increased by a constant k the quantity will decrease by the same constant k and vice versa.

Given, A bill has to be split £180 in the ratio of 7 : 5.

One part is (7/7 + 5)×180.

= (7/12)×180.

= 105.

Another part is (5/7 + 5)×180.

= (5/12)×180.

= 75.

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