3,003 Answered Questions for the topic elementary math
Solve for more than the product of 16 and 2
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Elementary Math
09/22/21
Solve for 18 more than the product of 16 and 2
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09/21/21
I need help with my math please
If the city plans to plant a total of 18 trees on two streets putting twice as many trees on elm street as on maple street how many trees will be planted on each street
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Elementary Math Math
09/19/21
Why aren't these two ways of using bow-tie method yielding the same answer?
If I have, 200 / (r+w) = 100 / (r-w), I solve this with:200/(r+w) - 100 / (r-w) = 0(200 (r-w) - 100 (r+w)) / (r^2-w^2)It seems this is incorrect, but why?I see the answer is actually to solve as:...
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Elementary Math
09/14/21
Exactly how many hits did the website have during January and February
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09/10/21
Determine the value of x, y and z
Determine the value of x, y and z if- 4x-3y= 2-8z- y is twice as large as x- z is one sixth of yThe answer is x = 3, y = 6 and z = 1 but how do I get that answer?
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09/10/21
What number is K?
What number is K if the value of the expression 67-3k is twice as large as the value of the expression k-9?The answer is k=7, but how do I get the answer?
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09/09/21
Simplify the expression 5x-4y
Simplify the expression 5x-4y if we know that b) x-y=1
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09/09/21
Is there any value of x that is consistent with the following?
Is there any value of x that is consistent with the following?"The value of the expression 3-2x is 5 more than twice the value of the expression."
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09/09/21
Determine the cost per hour on
It costs 140 SEK more to rent a padel court for an hour on weekends than on weekdays.Three hours on a weekend costs 50 SEK more than five hours on a weekday.Determine the cost per hour ona)...
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Elementary Math
09/09/21
Yesterday, 5/6 of the 240 students in a contest gave their speeches. How many students gave their speeches? Write your answer in simplest form.
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Elementary Math
09/09/21
Yesterday, 56 of the 240 students in a contest gave their speeches. How many students give their speeches? Write your answer in simplest form.
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09/05/21
How much of the vegetable field does Laban then have left to grow on?
Laban has acquired an allotment with a large vegetable plot. He grows lettuce on 1/3 of the vegetable land and carrots on 4/7 of the rest. How much of the vegetable field does Laban then have left...
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09/04/21
How much does the empty jar weigh?
A jar filled to 1/4 with jam weighs 250g. When the jar is 3/4 full, it weighs 350g. How much does the empty jar weigh?
09/01/21
How much does one hydrogen atom weigh (grams)?
One cubic metre of hydrogen at normal pressure contains 26,900,000,000,000,000,000,000 molecules and weighs 0.090 kg. Each molecule contains two hydrogen atoms. How much does one hydrogen atom...
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09/01/21
How much does one hydrogen atom weigh (grams)?
One cubic metre of hydrogen at normal pressure contains 26,900,000,000,000,000,000 molecules and weighs 0.090 kg. Each molecule contains two hydrogen atoms. How much does one hydrogen atom weigh...
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Elementary Math
08/31/21
Given that the lines in figure 10.34 marked with arrows are parrel, determine the sum of the angels a+b+c without measuring Show work and justications
Given that the lines in figure 10.34 marked with arrows are parrel, determine the sum of the angels a+b+c without measuring Show work and justications
Elementary Math
08/30/21
values in the number box
choose the number that has a 3 with a value 100 times less than the value of the 3 in 42.396
Elementary Math
08/18/21
The length of a sticky note measures 770 millimeters. Express this length in meters. Explain your thinkking.
The length of a sticky note measures 770 millimeters. Express this length in meters. Explain your thinkking.
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Elementary Math
08/18/21
The length of a sticky note measures 770 millimeters. Express this length in meters. Explain your thinkking.
The length of a sticky note measures 770 millimeters. Express this length in meters. Explain your thinkking.
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Elementary Math
08/17/21
sequence of black balls and white balls.
Following is a sequence of black balls and white balls. How many black balls are needed for the 100th term?
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Partial Derivatives
Find the point(s) on the surface z2=xy+1 which are closest to the point (7, 11, 0).List points as a comma-separated list, (e.g., (1,1,-1), (2, 0, -1), (2,0, 3))
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