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Post New Question
All Questions
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232614 Questions
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1516
2
+34
Triangles
Thirty identical toothpicks were used to create the figure below. There are over 25 triangles in the figure. What is the fewest number of toothpicks that could be removed so that no triangles remain?
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AppIePi
Jul 3, 2020
0
528
1
susan
Juan's cat weighs 5 pounds. His neighbor says her puppy weighs 102 ounces. Does Juan's cat weigh more than the puppy?
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Guest
Jul 3, 2020
0
517
4
+113
PLEASE, PLEASE HELP ME!
Due to inflation there were two demnd increases. After the secound, the price of a certin item becam 6 times the original. What percent increase of the secound if the first was 50%?
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QuestionsBug
Jul 3, 2020
0
375
1
HELP
What is the sum of the squares of the coefficients of 4(x^4 + 3x^2 + 1)?
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Guest
Jul 3, 2020
0
342
0
number theory
The sum of two positive numbers a and b is 629 and their greatest common divisor is 37. What are all possible values of a and b?
Guest
Jul 3, 2020
0
367
0
help
This triangle is divided into nine parallel stripes of equal height. The total area of the red stripes is 145.
What is the total area of the blue stripes?
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Guest
Jul 3, 2020
0
360
1
Help Please
Suppose $f$ is a polynomial such that $f(0) = 47$, $f(1) = 32$, $f(2) = -13$, and $f(3)=16$. What is the sum of the coefficients of $f$? This is copied from Alcumus. I just want a hint. Thanks in advance!
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Guest
Jul 3, 2020
0
395
2
Geometry help plssss
In the diagram below, RT:TS = 1:2 and SR = PQ = 20. Find UV.
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Guest
Jul 3, 2020
0
451
1
question
I left my campsite and hiked south for 1 mile. Turned east and hiked for 1 mile. Then turned north and hiked for 1 mile, at which time I came upon a bear inside my tent eating my food!
What color was the bear?
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Guest
Jul 3, 2020
0
369
0
probability
You are dealt 2 cards at random from a standard 52 card deck. What is the probability of getting a blackjack?
Note: A blackjack is a combination of an Ace and a ten point card. All face cards are worth ten points, and
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Guest
Jul 3, 2020
0
579
1
help
If 4 apples and 6 bananas cost Rs. 1.56, and 9 apples and 7 bananas cost Rs. 2.60. Find the cost (given in Rs.) of one apple and one banana.
Note: Rs. stands for rupees (Indian currency).
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Guest
Jul 3, 2020
0
356
0
quadratic
Find the vertex of the quadratic y = 2x^2 - 4x + 7. I'm confused, because y is a function of x.
Guest
Jul 3, 2020
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354
0
help
If and , find the domain of
Guest
Jul 3, 2020
+1
683
6
+107
huh im confused and its due today
The perpendicular bisector of the line segment connecting the points (-3,8) and (-5,4) has an equation of the form y=mx+b. Find m+b.
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xplosions
Jul 3, 2020
+1
520
1
+171
um idk help?
Let Find the function such that is its own inverse.
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BillyBobJoeJr
Jul 3, 2020
+8
695
3
+136
Parametric Curves Question
A tennis ball dipped in red paint rolls around on the coordinate plane, so that it is at
at time t, where . Find the length of the paint trail left by the tennis ball.
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EinsteinBrain29
Jul 3, 2020
0
482
1
PLEASE HELP SHOW WORKING!
A= 26 - x * 26 - y
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Guest
Jul 3, 2020
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330
0
help
Roots of Quadratic
Consider real numbers m and n such that -1+2i is a root of the quadratic equation x^2+mx+n=0. If m and n are the two roots of the quadratic equation x^2+Ax+B=,
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Guest
Jul 3, 2020
0
527
1
help
Let a < b < c < d be four consecutive positive integers such that
- a is divisible by 5,
- b is divisible by 7,
- c is divisible by 9, and
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Guest
Jul 3, 2020
0
551
1
Consecutive Numbers
There are three consecutive multiples of five. The sum of the first two numbers is 1,945. What are the integers?
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Guest
Jul 3, 2020
0
831
1
+133
Consider the set . Prove that one can choose T to be a element subset of S such that none of the elements of T can be represented as the
Consider the set . Prove that one can choose T to be a element subset of S such that none of the elements of T can be represented as the arithmetic mean of two distinct elements of T.
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SpicyP
Jul 3, 2020
0
586
2
+133
PLEASE HELP question about induction
Prove that is divisible by for all nonnegative integers n.
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SpicyP
Jul 3, 2020
0
352
1
need help
A man has seven wives. He is on a business trip and earned good fortune. He sent some gold coins to his wives through a messenger and guided the messenger to give the coins in the presence of at least two wives and tell them to divide the gold coins equally
read more ..
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Guest
Jul 3, 2020
0
390
1
number theory
What is the only five digit number that when multiplied by 9 is its digits reversed?
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Guest
Jul 3, 2020
0
468
1
help
In the cyclic quadrilateral WXYZ on the circle centered at O, ∠ZYW=10∘ and ∠YOW=100∘. What is the measure of ∠YWZ?
read more ..
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Guest
Jul 3, 2020
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