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Post New Question
All Questions
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234927 Questions
+1
365
1
Math help
Find the equation of the circle centered at $(1,-4)$ with radius 3. Write your equation in the form "$(x - h)^2 + (y - k)^2 = r^2$"
can u help me with this? I don't know how to solve this and I would like help please!
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Guest
Feb 1, 2021
+1
334
1
Help asap!!!
The harmonic mean of two positive integers is the reciprocal of the arithmetic mean of their reciprocals. For how many ordered pairs $(x,y)$ of positive integers is the harmonic mean of $x$ and $y$ equal to $20$?
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Guest
Feb 1, 2021
+1
422
1
Help
Points $A(-1, -2)$ and $B(3, 2)$ are the endpoints of a diameter of a circle graphed in a coordinate plane. How many square units are in the area of the circle? Express your answer in terms of $\pi$.
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Guest
Feb 1, 2021
+1
371
1
An interval notation problem
Let $p(x)$ be defined on $2 \le x \le 10$ such that $$p(x) = \begin{cases} x + 1 &\quad \lfloor x \rfloor\text{ is prime} \\ p(y) + (x + 1 - \lfloor x \rfloor) &\quad \text{otherwise} \end{cases}$$ where $y$ is the greatest prime factor of $\lfloor
read more ..
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Guest
Feb 1, 2021
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327
0
can i get help plz?
Breanna is opening a new snowboard shop near Table
Mountain. She knows that the recommended length
of a snow board is related to a person’s height. She
collected data on the heights of 1000 males to ensure
read more ..
Guest
Feb 1, 2021
0
566
1
A parallelogram has an area of 256 m2 and a height of 16 m. What is the length of the base?. can I get some help
A parallelogram has an area of 256 m2 and a height of 16 m. What is the length of the base?. can I get some help
MooMooooMooM
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Guest
Feb 1, 2021
0
311
1
help asap pls!
Find a polynomial f(x) of degree 5 such that both of these properties hold:
f(x) is divisible by x^3.
f(x)+2 is divisible by (x+1)^3.
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Guest
Feb 1, 2021
0
600
2
math riddle
I am a number less than 1000. The sum of my first and last digits is 8. When I am written in the reverse order, my new number is 16 less than three times the original number. If my middle digit is zero. What number am I?
MooMooooMooM
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Guest
Feb 1, 2021
0
303
1
Quadratic formula / Discriminant problem
Please help! Any steps or answers are appreciated.
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Guest
Feb 1, 2021
0
663
3
can i get help
In the theatre, the number of seats in every row is four more than the number of seats of the preceding row. If there are 30 seats in the first row, what is the total seating capacity of the theatre if there are 30 rows?
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Guest
Feb 1, 2021
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435
1
arithmetic sequence
In an arithmetic sequence, the sixth term is twice the third term and the 30th term is 60. Find the common difference
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Guest
Feb 1, 2021
0
334
0
help plz
Breanna is opening a new snowboard shop near Table
Mountain. She knows that the recommended length
of a snow board is related to a person’s height. She
collected data on the heights of 1000 males to ensure
read more ..
Guest
Feb 1, 2021
-1
364
0
+216
Can I have help on this question
https://web2.0calc.com/questions/number-theory-help-please_5
I need help ASAP
The answer is not 31 either
Jmaster10
Feb 1, 2021
0
585
3
help plz
Both diagrams show squares of congruent lengths. On the left, the rhombus is formed by two midpoints on the square and two intersection points of identical circles. The yellow area is shaded as shown above.
Which diagram has the greatest amount
read more ..
MooMooooMooM
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Guest
Feb 1, 2021
0
391
1
polynomial
If f(x) is a polynomial of degree 7, and g(x) is a polynomial of degree 7, and h(x) is a polynomial of degree 8, then what is the product of the minimum and the maximum possible degrees of f(x) + g(x) + h(x)?
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Guest
Feb 1, 2021
0
304
0
Help? Thanks.
Breanna is opening a new snowboard shop near Table
Mountain. She knows that the recommended length
of a snowboard is related to a person’s height. She
collected data on the heights of 1000 males to ensure
read more ..
Guest
Feb 1, 2021
0
315
1
Need help.
Alyssa started with 7/8 jar of jam. She used about 1/16 of the jam to make a sandwich. Does she have 3/4 left or not?
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Guest
Feb 1, 2021
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513
3
help asap! (algebra)
Find a monic quartic polynomial f(x) with rational coefficients whose roots include x = 1-sqrt2 and x=2+sqrt5. Give your answer in expanded form.
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Guest
Feb 1, 2021
0
279
0
how to go back and forth to scientific notation
how do you convert your answer to scientific notation?
Guest
Feb 1, 2021
0
467
2
Help? Thanks, I got 2 probs
1. The vertex of a parabola is at $(12, -4)$, and its axis of symmetry is vertical. One of the $x$-intercepts is at $(15, 0)$. What is the $x$-coordinate of the other $x$-intercept?
2. The $x$-intercepts of the parabola $y =
read more ..
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Guest
Feb 1, 2021
0
477
1
coordinates
What is the slope of the line containing the midpoint of the segment with endpoints at (0, 0) and (2, 3) and the midpoint of the segment with endpoints at (-5, 0) and (6, 3)? Express your answer in simplest form.
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Guest
Feb 1, 2021
0
343
1
I need HELP!!! (and thanks in advance)
Find the equation of the axis of symmetry of the graph of $y = (x + 3)^2 - 5$.
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Guest
Feb 1, 2021
0
390
1
This is a parabola prob
Find the equation of the axis of symmetry of the parabola.
Enter the answer as an equation.
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Guest
Feb 1, 2021
0
279
0
probability
One member of the debate team is going to be chosen President. Each member is equally likely to be chosen. The probability that a girl is chosen is 2/3 the probability that a boy is chosen. If the debate team has 80 people, how many girls are there?
read more ..
Guest
Feb 1, 2021
-1
511
1
+167
Help
A circular hole of diameter 2 cm is drilled from the center of the top to the bottom.
a) Find the volume of the new solid. Give the answer to the nearest cubic unit.
b) Find the area of the inner surface of the new solid to the nearest square
read more ..
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kijijij
Feb 1, 2021
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