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238062 Questions
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1171
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Master and his assistant working together can finish building a room in 15 days. How long would it take each of them to build the room working separately, if it is known that the master can finish it 16 days earlier than the assistant?
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Guest
Apr 10, 2020
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601
1
Need help
Can someone please help me. with 5 and 6?
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Guest
Apr 10, 2020
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580
1
SOMEONE PLEASE HELP!
https://web2.0calc.com/questions/please-help_25033
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Guest
Apr 10, 2020
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887
1
help
What is the general solution to the equation?
2√tanθ=2sinθtanθ
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Guest
Apr 10, 2020
0
790
3
help
Solve the equation on the interval [0,2π) .
4cos^2x−2cosx=0
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Guest
Apr 10, 2020
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1269
2
Please help
The summary of a survey of 100 students listed the following totals:
59 students did math homework
49 students did English homework
42 students did science homework
20 students did English and science homework <#> 29 students did science and
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Guest
Apr 10, 2020
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552
1
help
Stephanie has fourteen fewer dimes than nickels and three fewer quarters than nickels. Stephanie has a total of $11.05. How many of each coin does she have
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Guest
Apr 10, 2020
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476
1
Help!!!!
We have some identical paper squares which are black on one side of the sheet and white on the other side. We can join nine squares together to make a 3 by 3 sheet of squares by placing each of the nine squares either white side up or black side up. Two
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Guest
Apr 10, 2020
0
515
1
PLEASE HELP!
There are 15 runners in the Olympic women's competition, including 4 Americans. The gold medal goes to first place, silver to second, and bronze to third. In how many ways can the medals be awarded to three of the 15 runners?
The
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Guest
Apr 10, 2020
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544
1
Help mee!!
I need help solving this
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Guest
Apr 10, 2020
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590
2
PLEASE HELP!!!!!
There are 15 runners in the Olympic women's competition, including 4 Americans. The gold medal goes to first place, silver to second, and bronze to third. In how many ways can the medals be awarded to three of the 15 runners?
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Guest
Apr 10, 2020
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550
1
help
Find the 139th term of the arithmetic sequence whose first term is -28 and the common difference is 1/3
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Guest
Apr 10, 2020
0
544
2
help please!!
Find the area of the region enclosed by the graph of .
CPhill
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Guest
Apr 10, 2020
0
620
5
help pls quick
In triangle ABC,AB = 13, BC = 14, and AC = 15. Let M be the midpoint of BC. Find AM.
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Guest
Apr 10, 2020
0
1133
1
A solid object in the shape of a rectangular prism is shown below.
A solid object in the shape of a rectangular prism is shown below. If its density is 21.6 g/cm^3, what is its mass? length=6cm Width=6cm Length=6cm
geno3141
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Guest
Apr 10, 2020
Apr 9, 2020
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581
2
Find the vertex of the graph of the equation
Find the vertex of the graph of the equation
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Guest
Apr 9, 2020
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451
1
Help!
Find the vertex of the graph of the equation .
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Guest
Apr 9, 2020
0
550
1
help
The polygon has the vertices R(1,1), S(1,4), and T(5,1). What is the area of the polygon
geno3141
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Guest
Apr 9, 2020
0
958
1
Please Help!! I need help with this question!!!
You are in an airplane 5.7 miles above the ground. What is the measure of BD⌢BD⌢, the portion of Earth that you can see? Round your answer to the nearest tenth. (Earth's radius is approximately 4000 miles.)
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Guest
Apr 9, 2020
-1
639
1
pls help!
Divide.
12sqrt2cis ( 7pi/6 ) divided by 3sqrtcis ( pi/4 )
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Guest
Apr 9, 2020
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505
0
help
Which of the following functions has a domain of x=pi/4+- n pi/2, for all integers n, and a range of all real numbers?
Guest
Apr 9, 2020
0
690
1
+223
Help Please!
Let X,Y and Z be points such that If Y=(1,7), Z=(-1,-7), then what is the sum of the coordinates of X?
tertre
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CPhilFanboy
Apr 9, 2020
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1556
1
help URGENT
Allie and Ezra are sitting on flagpoles, throwing bananas at each other. Allie's flagpole is 35 ft tall. Ezra's is 27ft tall.The flagpoles stand 15 ft apart. How far does Ezra have to throw a banana to bean Allie?
geno3141
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Guest
Apr 9, 2020
+3
830
2
+343
Help Please! (Stay Home and Save Lives!)
How many pairs of positive integers satisfy ?
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nchang
Apr 9, 2020
0
692
2
+448
Can someone please explain what this question is asking me to find
A rockets height above ground is modeled by
1) When is the rocket travelling 9.8 m/s down?
2)When is the rocket travelling 9.8 m/s down?
3) What is the average speed of the rocket over the first second?
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bioplant
Apr 9, 2020
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