3,003 Answered Questions for the topic elementary math
Elementary Math
08/07/21
EDUC 301 math practice
Three girls play three rounds of a game. On each round, there are two winners and one loser. The girl who loses on a round has to double the number of chips that each of the other girls has by...
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Elementary Math
07/28/21
The Maverick Movie Theater sells a small tub of popcorn for $1
Customers have complained that the large tub is too wide to carry into the theater without spilling. The owner wants to change the base to be a 10-inch square instead. To keep the same volume, the...
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Elementary Math
07/28/21
he Maverick Movie Theater sells a small tub of popcorn for $1
The medium-sized tub is a prism with a square base of 9 inches and a height of 12 inches. It currently costs $6 and is not selling well. The owner wants you to decide if this price is fair, as...
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07/27/21
Weight mixture math help.
Fresh grapes contain 80 % water while dry grapes contain 10% water. if the weight of dry grapes is 250 kg what was its total weight when it was fresh??
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Elementary Math
07/26/21
If the area of the front wall of this building is 144 square feet, what is the length of the building
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Elementary Math
07/06/21
what adds to 18 and subtracts to 8
what two numbers add to 18 and subtract to 8
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Elementary Math Math
07/04/21
Amount earned every year?
If I work 4 weeks on and 4 weeks off, how much will I make? My brother will be earning 1400 every business day, So would my brother earn ($1,400 per shift x 5 days per week) x 26 weeks per year =...
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Elementary Math Math
07/03/21
_72_ what numbers do i need to put in underlines to get 4-digit number divisible by 45. Find largest such number
Elementary Math Math
07/03/21
Alex is 1.75 m tall, Martin is 1.85 m. By how much percent Martin is taller than Alex
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06/30/21
If 7 times a number decreased by 12 is 18 more than five times that number, find the number
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Techniques of Integration
If g(1)=5, g(5)=7, and ∫15 g(x)dx=−6, evaluate the integral ∫15 xg′(x)dx.
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Work-time related math.
Working alone at their respective constant rates, A can complete a task in ‘a’ days and B in ‘b’ days. They take turns in doing the task with each working 2 days at a time. If A starts they finish...
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Elementary Math
06/19/21
Which of the following answers can I choose?
Jace was asked to compare the fractions 1/5 and 1/8. When posed with the comparison task asked in a context, Jace correctly answered the question. However, when the fractions were written on...
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Elementary Math
06/19/21
Express the following quantities by a fraction placed in the blank space
(a) 25 years ______of a century.(b) 11 eggs is ______of a dozen.
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Elementary Math
06/13/21
Which property is illustrated below?
3 + [7 + (5)] = 3 + [(5) + 7]a) Identity property of additionb) Commutative property of addition c) Associative property of addition
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Elementary Math
06/13/21
Which question is a missing-addend problem?
A.On Elizabeth's three mile walk to the park, she came across a sign that said she had one mile left to reach the park. How far has Elizabeth walked so far?B.Matthew ate 15 jelly beans and...
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Applications of Integration
Use calculus to find the area of the triangle with the vertices (0, 5), (2, -2), and (5, 1).Area between curves =
06/13/21
Applications of Integration
Find, by slicing, the volume of a cone whose height is 3 cm and whose base radius is 3 cm. Slice the cone as shown in the figure below.
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Elementary Math
06/12/21
Shannon is asked to determine the number of stickers in 4 packs of stickers if each pack has 15 stickers. Which model does she illustrate to find 4×15?
A.A Cartesian-product model.B.An area model.C.A tree-diagram model.D.A repeated-addition model.
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Elementary Math
06/12/21
Ariel uses a Set (Partition) Model to solve 18÷3, creating three groups of 6 out of 18 M&Ms she has drawn. If she uses the same method, how would she illustrate 12÷4?
A.Ariel could not solve the problem using any of the strategies described.B.Determine the number to multiply by 4 to get 12.C.Draw 12 M&Ms and separate them into four groups.D.Measure out...
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06/11/21
If $3840 is deposited into a bank account at a 5% interest rate how long will it take the account to make $960 in interest?
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06/11/21
Find the interest rate (as a percent). Principal = $360 Interest = $17.55 Time = 9 months. WRITE YOUR ANSWER AS A PERCENT!
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06/11/21
If $2,500 is loaned for 18 months at a 4.5% annual rate, how much interest will need to be paid?
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06/11/21
How much should you deposit into an account that pays 3% interest to earn $900 after 10 years?
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What is the maximum height the rocket reaches?
A rocket takes off from a height of 30 feet with an initial velocity of 150 ft/sec. The equation that models the path that the rocket takes is: (G)x = -16t^2 + 150t + 30. What is the maximum height...
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