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Post New Question
All Questions
+0
230403 Questions
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571
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PLEASE HELP ME WITH THIS ONE
A radio telescope has a parabolic dish with a diameter of 100 meters and faces the sky to gather signals. The collected radio signals are reflected in one collection point, called the "focal" point, being the focus of the parabola. If the focal distance(
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Guest
Sep 14, 2020
0
776
3
help qwick
In the diagram, what is the perimeter of $\triangle PQS$?
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Guest
Sep 14, 2020
0
583
2
math help
Express as a base 10 fraction in reduced form. Thanks
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Guest
Sep 14, 2020
0
365
1
Halp!pls help!
is 9xy - 12yx monomial, binomial or trinomial?
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Guest
Sep 14, 2020
0
419
0
What are the coordinates of the hole in the graph of the function?
What are the coordinates of the hole in the graph of the function?
f(x)=6x−36/2x2−17x+30
Enter your answer by filling in the boxes. Enter your answer as simplified fractions, as necessary.
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Guest
Sep 14, 2020
0
539
1
+133
Show there are infinitely many primes that are equivalent to 1 (mod 8).
Show there are infinitely many primes that are equivalent to 1 (mod 8).
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SpicyP
Sep 14, 2020
+1
980
1
PLEASE HELP ASAPPPP
A new drug claims to reduce the number of eczema breakouts an individual suffers. In a study on the effectiveness of the new drug, 50 subjects were given the new drug and another 50 subjects were given a placebo.
At the end of the
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Guest
Sep 14, 2020
0
749
1
help
what 2 sum numbers equal 7.5 and product 13.5
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Guest
Sep 14, 2020
0
729
1
help please
A rectangular rug hasperimeter 240 inches. The length is 12 inches more than twice the width. Find the length and width of the rug.
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Guest
Sep 14, 2020
0
689
1
The quadratic x^2+(2.6)x+3.6 can be written in the form (x+b)^2+c, where b and c are constants. What is b+c (as a decimal)?
The quadratic x^2+(2.6)x+3.6 can be written in the form (x+b)^2+c, where b and c are constants. What is b+c (as a decimal)?
Thanks for helping me!
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Guest
Sep 14, 2020
0
514
1
inequality problem
Please help with this!
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Guest
Sep 14, 2020
0
566
1
help, how do you do this
Find the remainder upon a division of x^4+3x^3-2x^2+5x+1 by (x-1)(x-2)(x-3).
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Guest
Sep 14, 2020
0
1271
1
Hard Geometry question, I attempted two times answer and explanation
The triangles triangle RST and triangle XYZ are congruent. Points P and W lie on ST and YZ, respectively. Which of the following statements are true?
(a) If P is the midpoint of line ST and W is
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Guest
Sep 14, 2020
0
423
1
system of equations
Solve the system of equations using substitution. The answer is already provided, just show work/steps please.
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Guest
Sep 14, 2020
0
461
1
i need help!
It takes a runner 8 minutes to run 5 laps of a 400 m track. How many minutes will it take the runner, running at the same speed, to complete 9 laps of 200 m track?
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Guest
Sep 14, 2020
Sep 13, 2020
0
444
1
geometry question
Find the values of y and z.
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Guest
Sep 13, 2020
0
505
2
+163
Simple-ish math problem
How many ways are there to write 14 as a sum of 5 positive integers, not necessariloy distinct? Order also matters, like 1+1+1+1+10 is different than 10+1+1+1+1.
I think there's a formula for this, but I don't remember. Can someone
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Firebolt
Sep 13, 2020
0
435
1
stuck on graphing problem
Find the inequality represented by the graph.
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Guest
Sep 13, 2020
0
416
1
Math Riddle Problem Thing
A box contains many candies.
If 3 candies are taken away, the rest can be shared evenly among 7 people.
If 6 are taken away, the rest can be shared evenly among 8 people.
If 3 candies are added, then the box can be shared evenly among 5 people.
What
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Guest
Sep 13, 2020
0
438
1
need help with geometry
Can you please solve this. Please show your work.
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Guest
Sep 13, 2020
0
517
1
help with factoring
Factor completely: x^8 - 12x^4 - 64.
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Guest
Sep 13, 2020
0
404
1
how much does the earth weigh and how do you figure it out
how much does the earth weigh and how do you figure it out
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Guest
Sep 13, 2020
0
352
1
coordinates
If directed line segment AC with A(2,5) and C(-8, 1), if B partitions AC such that the ratio of AB to BC is 1:4, find the coordinates of B.
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Guest
Sep 13, 2020
0
473
2
help quick
In the diagram, $K$, $O$ and $M$ are the centers of the three semi-circles. Also, $OC = 32$ and $CB = 36$.
What
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Guest
Sep 13, 2020
0
335
1
geometry problem
Please help with this
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Guest
Sep 13, 2020
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