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Post New Question
All Questions
+0
234803 Questions
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425
3
help with algebra
A carpenter is working on a deck. He hires two assistants who work 60% as fast as he works. If all three work together on the deck, they should finish in what fraction of the time that he would take working alone?
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Guest
Jan 11, 2021
-1
450
1
Help
Using the digits 2, 3, 4, 7 and 8, Carlos will form five-digit positive integers. Only the digit 2 can be used more than once in any of Carlos’ five-digit integers. How many distinct fivedigit positive integers are possible?
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Guest
Jan 11, 2021
-1
411
1
Plz Help
Using the digits 2, 3, 4, 7 and 8, Carlos will form five-digit positive integers. Only the digit 2 can be used more than once in any of Carlos’ five-digit integers. How many distinct fivedigit positive integers are possible?
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Guest
Jan 11, 2021
-1
453
3
+216
Help Please
Using the digits 1, 2, 3, 4, 5, how many even three-digit numbers less than 500 can be formed if each digit can be used more than once?
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Jmaster10
Jan 11, 2021
-1
440
2
+216
Math Help Please
How many odd five-digit counting numbers can be formed by choosing digits from the set if digits can be repeated?
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Jmaster10
Jan 11, 2021
-1
410
1
+216
help
For how many integer values of between 1 and 474 inclusive does the decimal representation of terminate?
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Jmaster10
Jan 11, 2021
0
507
1
decimals
Marj needs to round , and she wants the result to be as large as possible. She has to round to the nearest thousand, the nearest hundred, the nearest ten, the nearest integer, the nearest tenth, or the nearest hundredth. What is the largest possible
read more ..
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Guest
Jan 11, 2021
0
341
1
Decimals
Marj needs to round $345.67$, and she wants the result to be as large as possible. She has to round to the nearest thousand, the nearest hundred, the nearest ten, the nearest integer, the nearest tenth, or the nearest hundredth. What is the largest possible
read more ..
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Guest
Jan 11, 2021
-1
481
3
counting
How many integers between 100 and 500 have at least two 8s as digits?
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Guest
Jan 11, 2021
0
439
1
Confusion
I am confused 5/(3+4x) = 4/(4x+3).
If we cross multiply, we get
5(4x+3) = 4(3+4x)
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Guest
Jan 11, 2021
0
604
1
+236
Ratio's
When you sketch a figure of an adult male, it is recommended that the head be $\frac{1}{8}$ of the total height. If the full drawn height of a 6-foot man is 10 inches, how many inches should the drawing of his head be from top to bottom? Express your answer
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Choff
Jan 11, 2021
0
450
2
line
A line has a slope of -3/17 and its y-intercept is (0,18) . What is its x-intercept?
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Guest
Jan 11, 2021
0
402
1
help algebra question
help drag and drop
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Guest
Jan 11, 2021
-1
664
1
36x + 24
36x + 24
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Guest
Jan 11, 2021
+1
307
1
counting problem
Pat starts with two identical square pieces of paper. On the first one, she draws straight lines that divide the paper into a 3-by-3 grid of squares. The total length of the lines she draws is 18. On the second piece of paper, Pat draws straight lines
read more ..
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Guest
Jan 11, 2021
+1
521
2
+59
math
How to separate the variable c from the heron formula?
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helloguys
Jan 11, 2021
+1
412
1
trapezoid
Let WXYZ be a trapezoid with bases XY and WZ. In this trapezoid, ZXW=105 degrees, XWZ=48 degrees, and XYZ=141 degrees. Find YXZ, in degrees.
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Guest
Jan 11, 2021
0
507
1
+321
N is a four-digit positive integer. Dividing N by 9 , the remainder is 5. Dividing N by 7, the remainder is 3. Dividing
N is a four-digit positive integer. Dividing N by 9 , the remainder is 5. Dividing N by 7, the remainder is 3. Dividing N by 5, the remainder is 1. What is the smallest possible value of N?
<
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itachiuchihakujo
Jan 11, 2021
0
300
0
Help
At a school trip with 15 students, if three members are to be chosen such that there are at least one male and one female student, there are 286 different possible selections. What is the difference between the number of males and females?
(A) 1
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Guest
Jan 11, 2021
-1
460
1
+59
help pls
Heron's formula.
separate i p from the heron formula
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helloguys
Jan 11, 2021
0
497
1
system
x + y + xy = 19
y + z + yz = 29
z + x + zx = 5
read more ..
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Guest
Jan 11, 2021
0
334
2
Quick Help!!
How many triangles are there whose perimeter is 24 with side lengths x, y, z all integers? If triangles are congruent, they are considered equal.
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Guest
Jan 11, 2021
0
520
1
help c&p problem
What is the probability that a list of five different, single-digit numbers, whose sum is 31, will contain exactly two prime numbers? Express your answer as a common fraction.
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Guest
Jan 11, 2021
0
336
1
graph
A is a constant such that the graph of the equation Ax+3y=8 passes through the point (1,-3). Find A.
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Guest
Jan 11, 2021
0
395
0
perfect squares
Some perfect squares (such as 100), have a digit sum (1+0+0=1) that is equal to the digit sum of their square root (1+0=1). Some other perfect squares (such as 121), have a digit sum (1+2+1=4) that is equal to the square of the
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Guest
Jan 11, 2021
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