3,003 Answered Questions for the topic elementary math
11/22/19
PLEASE ANSWER ASAP THANK YOU!!
If a rifleman averages 8 hits out of 10 shots at a target, what is the probability that he will hit the target in 3 out of 4 shots?show work please
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11/22/19
PLEASE HELP ON THIS ASAP I HAVE A TEST ON IT
In the United States the probability that a person has chapped lips is 30% On Charlene's next five dates. What is the probability that: at least four of the dates have chapped lips?show work please
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11/22/19
PLEASE ANSWER ASAP
Which grade is better: A 78 on a test whose mean is 72 and standard deviation is 6.2, or an 83 on a test whose mean is 77 and standard deviation is 8.4? Justify your answer show work thank you!
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Elementary Math
11/20/19
A fraction and a whole number with a whole number product but has to be positive and less than 1
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Elementary Math
11/20/19
Idkfhafnsgmxgnxgmxjnhd
Logan has 20 action figures. He’s shipping them to a friend. He can fit three action figures in a box. How many boxes will he need.
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Elementary Math
11/20/19
Cindy rides her horse with a constant speed of 18 Km/h. How far can she travel in 3 hours 35 minutes
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11/20/19
Problem Solving
rodney says if a triangle can be acute and isosceles at the same time, and another triangle can be equilateral ans isosceles at the same time, then every triangle can be described by two of the...
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Elementary Math Fractions
11/19/19
15/4 shown in shapes
I need to show my son how to divide 15 into 4 using shapes
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11/19/19
systems of measurement
If you were asked to teach a lesson about measuring with a standard inch ruler, describe what you would do to help students understand how to read the ruler and measure using fractional...
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11/19/19
systems of measurement
How would you reply to a student who said, “Why do we need to study the metric system when it is harder and nobody uses it?”
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11/19/19
symmetric figures
. A student concludes that if a figure has two lines of symmetry, it also has rotation symmetry. How would you respond to this observation?
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11/19/19
polygons and tessalations
#4. Nathan asked his teacher if it is possible to have an angle greater than 360 degrees. How would you respond to this question?
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11/19/19
10.3 Space Figures
Natalie asked her teacher why, when you blow bubbles, they are round like a sphere and not cubes or other shapes. Research the question and then write a response you can give to this...
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Elementary Math
11/19/19
Regroup. Find the missing number
6 hundreds 2 tens = 5 hundreds [ ] tens
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Elementary Math
11/19/19
Denise rode 3 km on a bike. Her friend Clark rode 5,000 m on a bike. How much farther in meters did one person ride than the other?
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Elementary Math Fractions
11/18/19
A seamstress has 5.2 feet of ribbon. How many 6/10 strips can she cut?
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Elementary Math
11/18/19
3rd grade math question
Brian and emma won awards. The total awards is 21. Brian has 2x more than emma. How many does emma have.
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Elementary Math Mathematics
11/18/19
how many 3/4 portions are in a 1/2 cup?
what am i supposed to do here plz heelllllpppppp
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Elementary Math
11/18/19
It takes 41 minutes for 9 people to paint 9 walls. How many minutes does it take 14 people to paint 14 walls?
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Elementary Math
11/17/19
Captain has 12m of fencing to make rectangular pens to put around his garden. He wants to enclose the biggest area possible. Draw three diffrent pens he could make. Which pen has the greatest area?
Captain salman has 12m of fencing that he wants to use to make rectangular pens to put around his garden to keep predators out. He wants to enclose the biggest area possible. Draw three diffrent...
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Elementary Math Mathematics
11/17/19
Mrs. Smith needed 4 inches of red ribbon for every inch of yellow ribbon to make a bracelet how many inches of red ribbon and yellow ribbon what do you need if she wanted to make seven bracelets
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Elementary Math Math
11/16/19
Elementary maths problem
If 3 pens and 2books cost 110, 7pens and 2notebooks cost 77 how much do 1pen and 1book cost?
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Elementary Math
11/15/19
The price of an item has dropped to $153 today. Yesterday it was $180 . Find the percentage decrease.
find the percentage decrease
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Elementary Math Hotdogs
11/15/19
A boy earns $140.00 by selling 56 hotdogs, how many more does he have to sell to earn $175.00
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11/15/19
PLEASE HELP ON THIS QUESTION ASAP
porphyrin is a pigment in blood protoplasm and other body fluids that is significant in body energy and storage. Let x be a random variable that represents the number of milligrams of porphyrin per...
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