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Post New Question
All Questions
+0
234765 Questions
+1
377
2
angle problem
Solve for p.
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Guest
Mar 27, 2021
-2
416
7
halp
Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learning how to stay. There are dogs in the school.
have blue ribbons, have
read more ..
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Guest
Mar 27, 2021
+2
395
2
polygon
Find the area of the polygon.
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Guest
Mar 27, 2021
+1
407
3
number theory
Let k be the largest integer 343/7^k such that is an integer. What is the remainder when 343/7^k is divided by 7?
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Guest
Mar 27, 2021
0
528
2
+312
Competing the square.
Find $a$ such that $ax^2+15x+4$ is the square of a binomial.
Thanks!
-WillBill
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WillBillDillPickle
Mar 27, 2021
0
270
1
geometry
In quadrilateral ABCD, AB = 8, BC = 20, CD = 5*sqrt(2), angle ABC = 90, and angle BCD = 45. What is the area of ABCD?
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Guest
Mar 27, 2021
+2
599
1
+6
A circle with radius 2 units passes through the center A of another circle and intersects it at points B and C. Points A, B, and C divide th
A circle with radius 2 units passes through the center A of another circle and intersects it at points B and C. Points A, B, and C divide the circumference of the smaller circle into 3 equal parts. One-tenth of the area of the smaller circle is outside
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swettyj2019
Mar 27, 2021
+4
588
3
+336
Math puns! (Off Topic)
How do you make time fly?
Throw a clock out the window!
Why are parallel lines so tragic if they have so much in common?
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wolfiechan
Mar 27, 2021
+1
446
3
In 2 years Peter will be twice as old as his sister Eve.
In 2 years Peter will be twice as old as his sister Eve. The sum of their present age is 26. What are their ages?
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Guest
Mar 27, 2021
0
833
4
help with counting
There are 120 people in a sport centre.78 people use the gym.
46 people use the swimming pool.
45 people use the track.
21 people use the gym and the pool.
16 people use the pool and the track. <#> 24 people use the gym and the track. <#> 9 people
read more ..
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Guest
Mar 27, 2021
+3
466
3
+106
Help
If
\[\frac{x}{y} = \frac{3}{4}, \frac{y}{z} = \frac{2}{3}, \;\text{and} \; \frac{z}{w} = \frac{5}{8}\]what is the value of $\frac{x + y + w}{w}$? Express your answer as a common fraction.
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TealSeal
Mar 27, 2021
+1
365
1
+106
Help inequality problem
On Sunday, Jan. 7, 2007, Rob has $\$5$ he saved from his birthday, and he receives his first allowance payment of $\$35$. He will continue to receive a $\$35$ allowance payment every Sunday. However, starting Jan. 7, 2007, Rob is also responsible for paying
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TealSeal
Mar 27, 2021
+4
479
3
+336
Is this right?
In a group of 120 people, 90 have an age of more than 30 years, and the others have an age of less than 20 years. If a person is selected at random from this group, what is the probability the person's age is less than 20?
30
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wolfiechan
Mar 27, 2021
+1
350
1
Help
Suppose that n and K are positive integers. A seven-term sequence is built using the following rules:
• The first term of the sequence is n.
• If a term of the sequence is even, divide by 2 to get the next term.
• If a term of the sequence is odd,
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Guest
Mar 27, 2021
+1
426
2
Triangle inequality
A triangle has two sides of lengths 4 and 15. What value could the length of the third side be? Check all that apply.
A. 4
B. 12
C. 19
D. 15 <#> E. 11 <#> F. 13
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Guest
Mar 27, 2021
+1
459
4
Isosceles and Equilateral Triangles
What is the measure of B in degrees?
read more ..
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Guest
Mar 27, 2021
0
731
4
+312
Help
What is the sum of all values of $k$ such that the equation $2x^2-kx+8=0$ has two distinct integer solutions?
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WillBillDillPickle
Mar 27, 2021
0
382
2
как это решить?
я непонимаю, как это делать ,п омогите пожалуйста! ((( 0,95 × √(3)
если не трудно можете это решить по действиям?
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Guest
Mar 27, 2021
+1
388
2
geometry
Find the area of the shape.
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Guest
Mar 27, 2021
+1
354
1
geometry
Find the area of the shape.
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Guest
Mar 27, 2021
0
443
4
REPOST URGENT
Dolores has a collection of eight books, including “The Great Gatsby” and “The South Beach Diet”. How many ways can she arrange three of her books on a bookshelf, where “The Great Gatsby” and “The South Beach Diet” are not next to each other?
read more ..
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Guest
Mar 27, 2021
+1
450
3
Find all real solutions for x in 2(2^x- 1) x^2 + (2^{x^2}-2)x = 2^{x+1} -2 .
Find all real solutions for x in 2(2^x- 1) x^2 + (2^{x^2}-2)x = 2^{x+1} -2 .
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Guest
Mar 27, 2021
+1
403
2
Isosceles and Equilateral Triangles
Question 7 or 10
What is the length of AB?
read more ..
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Guest
Mar 27, 2021
0
527
3
+312
New Question
Let $a$ and $b$ be real numbers such that $a+b=-1$. Compute $a^2-b^2+a-b$.
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WillBillDillPickle
Mar 27, 2021
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