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Post New Question
All Questions
+0
234777 Questions
+3
4349
6
+382
A collection of nickels, dimes and pennies has an average value of 7 cents per coin. If a nickel were replaced by five pennies, the average
A collection of nickels, dimes and pennies has an average value of 7 cents per coin. If a nickel were replaced by five pennies, the average would drop to 6 cents per coin. What is the number of dimes in the collection?
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hellospeedmind
Sep 30, 2018
+2
2557
2
+382
In the arrangement below, each number is the non-negative difference of the two numbers above it to which it is attached. What is the sum o
In the arrangement below, each number is the non-negative difference of the two numbers above it to which it is attached. What is the sum of the four greatest distinct possible values for z?
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hellospeedmind
Sep 30, 2018
0
971
2
+28
HELP ME PLZ
English has letters that can be vowels. This includes Y, which can be either a consonant or a vowel; for this problem, we'll consider Y a vowel.
The other English letters are always consonants.
How many two-letter "words" can
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Pungce
Sep 30, 2018
+2
1009
1
+382
Squares: Answer ASAP with explanation
Some perfect squares (such as 121) have a digit sum that is equal to the square of the digit sum of their square root , and .
What is the smallest perfect square greater than 100 that does not have this property?
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hellospeedmind
Sep 30, 2018
0
788
1
Help!
The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?
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Guest
Sep 30, 2018
0
2152
1
+1245
Please find the PERIMETER, not the AREA!
The square shown is divided into 4 congruent rectangles. If the perimeter of the square is 144 units, what is the perimeter of one of the four congruent rectangles?
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Lightning
Sep 30, 2018
0
631
1
+8
help please asap
pls help how do i solve this
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nellycrane
Sep 30, 2018
0
2250
2
+1207
Help
A non-square rectangle has integer dimensions. The number of square units in its area is triple the number of units in its perimeter. What is the smallest possible length for the perimeter?
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Logic
Sep 30, 2018
0
1144
3
+1245
Length
The square shown is divided into 4 congruent rectangles. If the perimeter of the square is 144 units, what is the perimeter of one of the four congruent rectangles?
read more ..
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Lightning
Sep 30, 2018
0
1103
1
+1245
Traingles
Triangle ABC is isosceles with angle B congruent to angle C. The measure of angle C is four times the measure of angle A. What is the number of degrees in the measure of angle B?
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Lightning
Sep 30, 2018
0
752
1
+1245
Help!
In the diagram below, WY = 9, XZ = 7, [AWX] = 30, and [AYZ] = 20. Find [AXY].
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Lightning
Sep 30, 2018
-1
831
2
+1207
help
Real numbers and have a difference of 16 and a product of 23. Find .
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Logic
Sep 30, 2018
0
540
0
+845
Rational function, stationary point
https://snag.gy/Bi1gNy.jpg
please help with question 8C
YEEEEEET
Sep 30, 2018
Sep 29, 2018
0
662
1
Can somebody help me with a solution? Thank you so much
While staying in a 15-story hotel, Polya plays the following game. She enters an elevator on the 6th floor. She flips a fair coin five times to determine her next five stops. Each time she flips heads, she goes up one floor. Each time she flips tails, she
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Guest
Sep 29, 2018
0
974
1
+1207
help
If , , and , find .
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Logic
Sep 29, 2018
0
884
1
+8
complex numbers
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nellycrane
Sep 29, 2018
0
574
1
+1207
Help
A non-square rectangle has integer dimensions. The number of square units in its area is triple the number of units in its perimeter. What is the smallest possible length for the perimeter?
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Logic
Sep 29, 2018
0
607
1
+1207
help
Express in the form , where and are real numbers.
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Logic
Sep 29, 2018
0
873
1
+642
algebra
how do i solve this?
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cerenetie
Sep 29, 2018
0
830
1
+642
binomial help
this is really confusing
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cerenetie
Sep 29, 2018
0
836
1
+642
binomial theorem
pls help thank you
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cerenetie
Sep 29, 2018
0
736
3
+642
help me pls
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cerenetie
Sep 29, 2018
0
441
1
Deferred Retirement Acct.
A business manager started his retirement account when he was 30. He regularly deposited $1,000 per month at an average rate of 5% compounded monthly. After 15 years of this, he was transferred to Europe for a period of 5 years in which he was unable to
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Guest
Sep 29, 2018
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