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Questions and answers by visitors named
Math
Questions (427)
Use the table to answer the question.
Value per House Number of Houses $150,000 2 $220,000 4 $490,000 3 $540,000 2 $800,000 5
9 answers
795 views
The randomly selected delivery times (in minutes) of two fast food restaurants are as follows.
Fast Food 1 Fast Food 2 42 40 38
3 answers
asked by
Math
1,106 views
The stem-and-leaf plot shows the speeds of the fastest steel roller coasters in Europe. The table shows the speeds of the
8 answers
679 views
The data from two random samples of 200 people regarding their favorite nuts is shown in the following table.
Almond Pistachio
11 answers
asked by
Math
1,066 views
Use the table to answer the question.
Group A 18 20 46 34 58 31 41 Group B 15 21 32 42 29 57 39The table shows the times, in
12 answers
asked by
Math
716 views
For 10 consecutive days, Anthony recorded the daily high temperatures in Dayton and Laredo. The table shows the data.
Daily High
2 answers
884 views
Outcomes K I N D
Frequency 120 140 105 135 A spinner is divided into 4 sections labeled as K, I, N, D. Xavier reproduced the
5 answers
asked by
Math
1,012 views
A money envelope contains five $10 bills, ten $20 bills, and fifteen $50 bills. Sandra randomly selects two bills without
4 answers
797 views
Want the option to keep studying online 10 3 13
Don’t want the option to keep studying online 5 7 12 Column total 15 10 25
4 answers
asked by
Math
661 views
Kat and Joshua want to know which pizza shop has the fastest delivery time. Kat took a random sample of 8 delivery times from
7 answers
750 views
Which of the following data sets has the smallest range?
a {148, 145, 117, 148, 199, 172} b {324, 318, 367, 312, 389, 337} c {50,
1 answer
356 views
Identify the face, edge, and vertex of the triangular prism. Enter 1 for the face, 2 for the edge, and 3 for the vertex.(2
5 answers
asked by
Math
1,713 views
Hazel has 15 T-shirts and 10 short-sleeve blouses in her wardrobe. What is the relative frequency of her T-shirts? Write your
4 answers
615 views
Lloyd bought a refrigerator that measures 76 cm×76 cm×170 cm to fit in a space with a volume of 975,000 cm3. Will the
5 answers
asked by
Math
1,264 views
A quality controller inspected 1,000 units of a product and rejected 150 units due to defects. Approximate the empirical
4 answers
asked by
Math
819 views
A basket of fruits contains 5 apples and 3 pears. Sharon took two fruits at random. What is the probability that both fruits are
7 answers
1,018 views
A survey was conducted with 150 respondents that asked about their favorite activities during winter. There were 30 people who
5 answers
903 views
Outcomes 2 4 6 8 10 12
Frequency 10 9 6 15 13 8 Jede tossed a cube with faces numbered with 2, 4, 6, 8, 10, and 12. The results
4 answers
610 views
A slice of cheese is cut from a wheel of parmesan, and the wedge approximates the shape of a rectangular pyramid. Its base is 4
5 answers
725 views
A storage unit is advertised as being 100 cubic feet. Which of the following best describes what this means?
1.The storage unit
4 answers
972 views
What is the two-dimensional shape created by the sliced object?
(1 point)
6 answers
681 views
Each letter of the word movers is written on an individual paper strip and placed in a box. Which set represents the favorable
3 answers
521 views
Jerry wants to wrap a present in a box for his mother. The box measures 10 cm wide, 4 cm high, and 17 cm long. How much wrapping
4 answers
866 views
Which set of events is dependent?
a choosing a marble from a box, replacing it, then choosing another marble b choosing a ball
3 answers
307 views
A rectangular prism has a base area of 15 cm2, and a congruent pyramid has a volume of 20 cm 3. What is the height of the
3 answers
402 views
If two events are independent, the probability of both events occurring is the product of their individual probability. Events A
3 answers
191 views
A delivery truck service needs to transport 75 boxes. The boxes are all cubes with a side length of 18 in. How much space will
6 answers
529 views
The ages, in years, of randomly selected employees are 34, 41, 28, 35, 27, 44, 48, 29, 33, and 39. Determine the mean age.
a 39.8
4 answers
848 views
A letter is to be randomly picked from the word MISSISSIPPI. Which set of letters have equal chances to be selected?
a S and I b
4 answers
426 views
You want to estimate the number of students who bring their lunch to school every day. Which of the following is the best sample
27 answers
1,447 views
The randomly selected delivery times, in minutes, of two restaurants are as follows. Which restaurant has more consistent
1 answer
143 views
If the product of five tenths and two tenths is subtracted from the sum of one tenth and three tenths, what is the difference? :
1 answer
49 views
What is the quotient of 21.643 and 2.3?
4 answers
469 views
Eduardo has a 32-gallon fish tank. Describe what this measurement means.
1.It means his fish tank holds 32 gallons of water. 2.It
8 answers
974 views
A rectangular prism has a volume of 252 If a rectangular pyramid has a base and height congruent to the prism, what is the
1 answer
123 views
A six-sided number cube is to be rolled 30 times. How many times do you expect to roll on an even number?
5 answers
309 views
The sample space of an experiment is S={a, b, c, d, e, f}. What is the probability of picking a consonant? Write your answer in
1 answer
152 views
A deck of 10 cards labeled 1–10 is shuffled. One card is selected at random. If the experiment is repeated 120 times, how many
3 answers
267 views
Company X tested its light bulbs to see how long they would last. On a production line, 2,500 bulbs were taken and tested. The
4 answers
372 views
Number of White Balls Selected Number of Red Balls Selected
Bowl A 5 15 Bowl B 16 4 Clark’s Results Number of White Balls
3 answers
278 views
A six-sided number cube is rolled 30 times and lands on 3 ten times and on 5 eight times. Calculate the experimental probability
6 answers
793 views
A school principal wants to know the average number of extracurricular activities students in her school are involved in. She
3 answers
640 views
The low temperatures during one week in January were 2°, −3°, −9°, −11°, 1°, −8°, and −9°. What was the median
1 answer
364 views
A local library manager randomly surveys 80 patrons about the type of book they borrow when they visit the library. The manager
4 answers
114 views
2/7 divided by 6
I know to invert the fraction, then what? Please help! 2/7 divided by 6/1 = 2/7 multiplied by 1/6 Multiply and
1 answer
499 views
I can't figure this out. Please help!
Estimate 16 20/21 * 28 3/7 - 4 13/25 + 8 2/47 as a whole number or as a mixed number where
1 answer
387 views
How do you find critical points in a function? For example, find the critical points in f(x)=12+2x^2-x^4
please help me somebody
1 answer
404 views
I had to solve for this:
1) choose 4 people from a class of 12 My answer: n=12 r=4 12C4 = 495 2) chosse 8 people from a class of
1 answer
379 views
I have a factoring question; what is 8a^2-8a-30? I've been working on this for a while and I think I understand factoring, but
3 answers
531 views
can someone give me proof that a negative number times a negative number is a positive number
I've always been told this in like
1 answer
400 views
i'm not sure how to evaluate this
(6)/(X^-4) + (5)/(X^-2)
2 answers
866 views
Solve:
8p-4 = 4(2p-1) Isn't it equals to 0?
1 answer
404 views
I need help with these three problems. I cant figure them out.
3. The difference of two numbers is tripled. The result is
3 answers
671 views
The instructions to my book work says for the data in each table, tell whether y varies directly with x. If it does write an
1 answer
476 views
I'm trying to create a graph in excel and how come when i put this into my graph
(21.8(151.1)^-1)100 I get undefined and all my
4 answers
434 views
Payments of $1800 and $2400 weere made on a $10,000 variable-rate loan 18 and 30 months after the date of the loan. The interest
2 answers
766 views
A bank offers a rate of 5.3% compounded semi-annually on its four year GICs(Guaranteed Investment Certificates). What monthly
3 answers
737 views
When you write 2,500 in expanded form, how many addends do you have?
2,000+ 500+0+0 ??
4 answers
662 views
I am not sure on this question. Can you help me. Question: How can you tell if 31/33 is already in its simplest form?
I wrote my
3 answers
280 views
I am confused what would be a real-life solution using polynomial division.
3 answers
585 views
This is a question given to me to answer:How is dividing a polynomial by a binomial similar to or different from the long
2 answers
673 views
(6-4x-x^2)^2
5 answers
329 views
(2x^(2)+7x-15)/(2x^(2)+13x+15)
3 answers
366 views
Write a two column proof.
1.Reflexive property of Congruence. -Thanks
2 answers
549 views
lim as x approaches negative infintiy (x^2+x^3)
I just don't know where to start
3 answers
292 views
Five socks, colored blue, brown, black, red, and purple are in a drawer. how many combinations of three socks can be randomly
3 answers
1,541 views
During a week in December on anchorage, Alaska the daily high temperatures were 20,18,-10,15,-15,25, and 11. Write an expression
2 answers
519 views
Is the square root of x^23 = x^11
1 answer
328 views
Train A is traveling at 100 mph and train B is traveling at 104 mph. Train A passes a station at 12:15 p.m. If train B passes
2 answers
633 views
Need to write fraction as a whole or mixed number. Express fractions in simplest form..
1. 76/12 Answer= 6 1/6 2. 88/10 Answer= 8
2 answers
558 views
A study has shown that 20.05% of all college textbooks have a price of $80 or higher. It is known that the standard deviation of
2 answers
694 views
The sales (in millions of dollars) of a laser disc recording of a hit movie t years from the date of release is given by
S(t)=[{4
2 answers
548 views
A manufacture of a certain commodity has estimated that her profit in thousands of dollars is given by the expression
-6x^2+30x-1
3 answers
2,146 views
can someone help me write out these expressions?
4 more than p: product of c and 15: the quotient of n and e: The quotient of 17
2 answers
911 views
another question, im so confused!D: it says:
Define variables and write an EQUATION for each phrase: 1.)The total cost is the
3 answers
409 views
what is the domain and range of g(m)=m^2 - 5m
1 answer
346 views
For a 3-person relay race, a coach can choose from 4 of his top runners.how many different 3- person teams can he choose ? Use
4 answers
1,038 views
I need help finding the key points for the graph y=1/3 cos x and y=-sin 2piex/3
I just don't understand how to graph this and
1 answer
377 views
chung ho is standing on the top of a building that is 135m tall. The angle of depression to the top of the building next door is
4 answers
1,805 views
bernhardt and julia are observing an eagles nest in a tree. Julia is 75m from the tree, and sees it at an angle of elevation of
1 answer
483 views
Triangle ΔABC has vertices A(2,5), B(8,1) and C(-2,-1) and is a right triangle. If the slope of AB is -2/3 and the slope of AC
2 answers
1,036 views
For all positive integers w and y, where w > y, let the operation ☺ be defined by w ☺ y = (2^(w + y))/(2^(w - y)).
For how
2 answers
742 views
8/2 [2/ 9]
how to simplfy above question.
1 answer
334 views
solve the equation & check your solution
1 answer
330 views
A group of hikers on a mountain began at an elevation of 3040 feet above sea level and stopped at elevation of 2319 feet above
5 answers
1,162 views
on a farm there are rabbits and chickens. Altogether, there are 20 heads and 50 feet. How many rabbits and chickens are there?
1 answer
444 views
In an AP the 6th term is half the 4th term and the 3rd term is 15.
a. Find the fist term and the common difference. b. How many
5 answers
2,403 views
A mortagge is taken out for $10,000 and is repaid by annual installments of $2,000. Interest is charged on the outstanding debt
1 answer
366 views
A bank loan of $500 is arranged to be repaid in two years by equal monthly instalments. Interest, calculated monthly, is charged
3 answers
621 views
Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate
10 answers
4,413 views
Find absolute maximum and minimum for f(x)=(3x^3)−(18x^2)+27x−10 over the closed interval [2,4].
Thank you so much!!
2 answers
577 views
Identify the molecules that participate in the light dependant reactions and tell what they do.
1 answer
274 views
graph this equation:6x^2+18x-24=0
1 answer
282 views
A ⊆ B. Prove P(A|B)>= P(A)
1 answer
260 views
The area of a cylinder is 956m3. If the circular top is halved, what is the new volume?
4 answers
399 views
On a windless day, a bird can fly at a constant 10 m/s. It flies 6.0km east and then home again.
How much time does the round
3 answers
749 views
Eric has a two rocks samples. One has a mass of 600 grams and the other has a mass of 1 kilogram. He recorded the total mass as
3 answers
751 views
only 2/9 the university students wanted to become math teachers. if 2800 didn't want to become math teachers how many university
7 answers
1,142 views
Simplify 4sqrt6/sqrt30
by rationalizing the denominator
2 answers
620 views
A shop owner bought 30 folders and some journal. He paid @82.50 for the folders. Each journal cost 10 times as much as a folder.
2 answers
968 views
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