the formula is:
[tex]v = \frac{4}{3}\pi {r}^{3} [/tex]
Answer:
Volume of hemisphere=
[tex] \frac{2}{3} \pi {r}^{3} [/tex]
Volume of sphere=
[tex] \frac{4}{3} \pi {r}^{3} [/tex]
Step-by-step explanation:
[tex] \frac{2}{3} \times \frac{22}{7} \times {8}^{3} [/tex]
Using calculator=
1072.761905
Round to the nearest tenth=
1072.8
Samantha is making goodie bags for a birthday party. She puts 2 slices of pie in each goodie bag. Her sister then puts an equal amount of pie slices in the bags, as well. Altogether they put a total of 25 pies in 5 goodie bags. Draw a tape diagram to represent this problem.
How much pie did Samantha’s sister place in each bag?
A restaurant manager uses the expression 7.85m + 8.85d to calculate his profit when he sells m main courses and d desserts. What is the restaurant manager's profit, in dollars, when he sells 45 main courses and 43 desserts?
Answer:733.8 dollars in profit
Step-by-step explanation:
hope this helps :)
The radius of a circle is 8 millimeters. What is the circle's circumference?
Answer:
uh what is a circumference
Step-by-step explanation:
Answer:
16 π or 50.26548246 mm (you can use either)
Step-by-step explanation:
1) 8 x 2 = 16
2) 16 x π = 16 π or 50.26548246
I really need help!! Which box doesn't belong??
Answer:
I think it's C
Step-by-step explanation:
A is go up one time
B is go down one time
C is... not sure what's going on there
And D is multiply by 8
I'm confused.
A farmer has a rectangular field with an area of 2 3/4 square miles. The field is 1/2 mile wide. What is the length of the field? Write your answer as a decimal.
Answer:
A farmer has a rectangular field with an area of 3/4 square mile. The field is 1/2 ... The field is 1/2 mile wide. What is the length of the field? 2. See answers ... 3/4 divided by 1/2 is 1.5 or 5/2 therefore the field is 5/2 miles long
Step-by-step explanation:
Answer:
the answer isnt 5/2 i dont think so
Step-by-step explanation:
What is 3x+8 ?
I believe you simplify.
Step-by-step explanation:
Simplifying x = 3x + -8 Reorder the terms: x = -8 + 3x Solving x = -8 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. x + -3x = -8 + 3x + -3x Combine like terms: x + -3x = -2x -2x = -8 + 3x + -3x Combine like terms: 3x + -3x = 0 -2x = -8 + 0 -2x = -8 Divide each side by '-2'. x = 4 Simplifying x = 4
Six less than the product of 10 and Malik's age
Use the variable m to represent Malik's age.
Marcus teaches karate.He has 45 students and charges each one $55 per month. Marcus collects _____$ every month?
Answer:
2475
Step-by-step explanation:
45 x 55 = 2475
Answer:
2475
Step-by-step explanation:
x = 55
y = money per month
45x = y
45(55) = y
y = 2475
If each cube has a side measure of 12 inch, what is the volume of the rectangular prism?
Group of answer choices
414 in3
712 in3
75 in3
480 in3
Answer:
nii pata didi plz dil dedo
What is the best way of choosing a sample to statistically represent a population? Why? What is a biased sample? How can biased sampling affect the statistical study of a population?
Search the Internet and give two or more real-world examples of biased sampling leading to unexpected or unfavorable outcomes. In each case, how could the sample have been improved to make a more accurate inference about the population?
Answer: In random sampling, the whole population should have an equal chance of being chosen.
Step-by-step explanation:
In a simple random sample, every member of the population has an equal chance of being selected.
Your sampling frame should include the whole population. To conduct this type of sampling, you can use tools like random number generators or other techniques that are based entirely on chance.
Biased sample
A sample is biased if individuals or groups from the population are not represented in the sample.
In statistics, sampling bias is a bias in which a sample is collected in such a way that some members of the intended population have a lower or higher sampling probability than others.
Affects
It affects the internal validity of an analysis by leading to inaccurate estimation of relationships between variables. It also can affect the external validity of an analysis because the results from a biased sample may not generalize to the population.
Sampling is one of the procedure to get information about population. The best way to choose a sample representing a population is simple random sampling.
Why do we do sampling?We do sampling so that we don't have to work on entire population of items but only on that sample in a way that we can predict information about population.
Most of the times, it isn't possible in real world to work on entire populations. Samples come out for rescue by assumptions that they will have some properties of the population pertained in them.
Thus, the sample should be taken out such that it includes data of the population as much as it can in unbiased way so as to imitate population. (assuming that we want the sample to contain the summary of the population).
What is simple random sampling?If the sampling is done from the population randomly, without any other rule, then such sampling is called simple random sampling. Items are selected in a fixed size, all randomly.
What is stratified sampling?Sampling which is done by taking the main population divided in categories(called strata), then such sampling from stratas (sub-parts of the population) is called stratified sampling.
What is systematic random sampling?In this type of sampling, starting of the sampling is done randomly, but then rest of the samples are collected by an order. Like for example, first point is selected randomly, then all points are selected that they are equidistant from each other in the population.
What is convenience sampling?The word "convenience" summarizes this sampling. It is done in a way that those values from population are sampled which are in convenience with the researcher. Like if some random picking is to be done from beads spread on the ground, then the researcher picking those beads which are closer to him.
Convenience sampling and stratified sampling are biased, as convenience sampling is leaving a good amount of population untouched, and stratified sampling is taking about sub-parts of the population.
The systematic random sampling is not good in those cases where population doesn't contain variation equally, and we might end up doing systematic sampling in that region which is biased than other regions.
The best sampling is simple random sampling, as it is randomly picking data values from the population, so is most probable to get the properties of the population(the more you're lost, the more probable you're to get to new paths). If sample size is large enough, this sampling comes out as best sampling method, in context of summarizing the information of the population, as almost all of the properties of the population is covered by values obtained during simple random sampling.
Thus, the best way to choose a sample representing a population is simple random sampling. (assuming that we want to summarize the population).
Learn more about simple random sampling here:
https://brainly.com/question/25644040
anyone can help me please?
Answer:
40% is what i think it is
Find the perimeter of the trapezoid below.
Answer:
62
Step-by-step explanation:
Three pounds of potatoes make eight equal servings of mashed potatoes. How many pounds of potatoes are in each serving? _______
what two numbers does that lie between? ______
and_____
Answer:
each serving uses 3/8 pounds of potatoes
the answer is between the whole numbers 0 and 1
You roll a 6-sided die two times.
What is the probability of rolling an even number and then rolling an even number?
Answer:
1/3%
Step-by-step explanation:
Answer:
1/4 or 25%
Step-by-step explanation:
even numbers are 2,4,6
P=(3/6)×(3/6)=(1/2)×(1/2)=1/4
what is 2/8 x 4/5
a.6/40
b.8/40
c.6/13
d.8/13
The state transportation commission counted cars traveling east and west across a toll bridge. The commission counted 20,000 cars traveling east and 30,000 cars traveling west. What percentage of the cars were traveling east?
Answer:
Eh cafe donete mal reo jama kolotake? 24 eh moi -09....? kelare mei osaje.
car`e 3,000 = 2458.0? maro et
Step-by-step explanation:
Answer:
9490.0
Step-by-step explanation:
what are the coordinates of point A
A. (5,4)
B. (4,5)
C. (4,6)
D. (6,4)
Answer:
(5,4)
Step-by-step explanation:
The first coordinate is the x coordinate of the number of units we go across
x = 5
The second coordinate is the y coordinate or the number of units we go up (or down)
y = 4
(5,4)
Answer:
A. (5,4)
Step-by-step explanation:
You always put the coordinate of the X axis first which would be 5 because it is in between the 4 and 6, and on the Y axis it is in the 4 line! hope this helps! :)
How many solutions will this system have?
A. Infinitely many solutions
B. No clue
C. No solution
D. One solution
Answer:
one line over another is infinitely many solutions or to the letter A
hope it helps you and pls brainlies
The irregular figure on the left has been decomposed into the figures on the right.
A figure is broken into a parallelogram and triangle. The triangle has a base of 5 inches and a height of 3 inches.
What is the value of h, the height of the triangle?
3 inches
4 inches
5 inches
7 inches
tysm 30 points!! pls answer correctly
Answer:
The answer is 4 trust me i'm in high school.
Step-by-step explanation:
Plzz mark brainliest
EXPERT HELP: EXPLAIN THE ANSWER AND DON'T GUESS
Hi I have 2 questions to ask (math)
Find the product: 5d * 7g *
-----------------------------------------
Which choice shows the expression in expanded form? (* is a symbol for multiply) *
a. 20 * y * z* b. 20yz
Answer: the product of 5d*7g is 35dg. The expanded form is 20*y*z
Step-by-step explanation:
A restaurant manager uses the expression 7.85m + 8.85d to calculate his profit when he sells m main courses and d desserts. What is the restaurant manager's profit, in dollars, when he sells 45 main courses and 43 desserts?
Answer:
244 and 43
Step-by-step explanation:
hope this helps n please mark brainliest
Answer:
$733.80
Step-by-step explanation:
To calculate the profit, you use 7.85m + 8.85d
Since m = 45 and d = 43,
his profit = (7.85 × 45) + (8.85 × 43)
= 353.25 + 380.55
= 733.80
∴The restaurant manager's profit in dollars is $733.80.
Hope this helps
Find the quotient.
2 7/9 ÷ 2 1/2
Answer:
2/7
Step-by-step explanation:
Help I don’t understand
Answer:
176
Step-by-step explanation:
12x6=72
10x8=80
subtract the 12 with the 8 and get 4 and subtract the 10 with the 4 and get 6;
6x4=24
add it up
24+80+72=176
Write a numerical expression to match the word expression. ) Two less than one-third of the product of nine fourths and twelve 12 1 3 2 alt ( x 12) 4
Answer:[tex]\frac{1}{3} ((\frac{9}{4})(12))-2[/tex]
Step-by-step explanation:
8. A peacock weighs 152 ounces.How many pounds does the peacock weight?
9. Jessica’s water bottle holds 0.75 liters of water.How many milliliters of water does the bottle hold?
10. Magnus found a moth and measured its wingspan. If the moths’s wingspan was 27 millimeters, how many centimeters is the moth’s wingspan?
Answer the question right
Answer:
10
Step-by-step explanation:
PLEASE HELP ASAP :))
Square A'B'C'D' sa dilation of
square ABCD
What is the seale factor?
Enter your answer in the box.
pls help fast 27/d=4 1/2 i need to find d
Answer:
121 1/2
Step-by-step explanation:
27/d = 4.5
*27 *27
d = 121.5
d = 121 1/2
Answer:
d is 30
Step-by-step explanation:
