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Post New Question
All Questions
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234931 Questions
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367
1
Math
Billy is paid 18¢ each time he cleans his room. He needs 45¢ for a snack. About how many times does he need to clean his room to be able to buy the snack?
A. about 9 times
B. about 7 times
C. about 3 times
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Guest
Apr 11, 2021
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275
0
Volume of a Cube
https://drive.google.com/file/d/1sdXye_UNUUiuFPmevC20dx-J0z28ZAwn/view?usp=drivesdk
Guest
Apr 11, 2021
0
490
4
Please answer this problem :)
Find the coordinates of the point halfway between the points $(3,7)$ and $(5,1)$
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Guest
Apr 11, 2021
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313
0
Exponential Functions
At a used car sales lot, a person has $2 000 for a down payment and can afford $150 per week. The business offers a loan at 8%/a compounded weekly.
What is the most this person can spend on the car, if the loan must be for 2 years?
Explain
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Guest
Apr 11, 2021
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296
0
Math!!!!!
https://drive.google.com/file/d/1VYvljOzNDFXChsdNrwBh0lVmOKnEi4jX/view?usp=drivesdk
Guest
Apr 11, 2021
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323
3
Please answer this problem
Mark and Sandy are walking to the convenience store at the midpoint of their coordinates. Mark is standing at , and Sandy is standing at . At what coordinate will they meet?
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Guest
Apr 11, 2021
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255
0
Math plz help!
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Guest
Apr 11, 2021
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367
1
mathematics
Four apps and two e-books cost $18. Five e-books and three apps cost $31. What is the cost of one app?
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Guest
Apr 11, 2021
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386
1
Ratio
There are 75 students in classes A and B altogether. There are 61 students in classes A and C altogether. The ratio of the number of students in Class B to Class C is 5:3. How many students are there in Class A?
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Guest
Apr 11, 2021
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306
1
Ratios
40% of the people at a concert were men and the rest were women. After some men and 24 women left, the ratio of the number of men to women who remained in the concert hall was 3 : 5. If there were 8,400 people at the concert hall in the end, how many
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Guest
Apr 11, 2021
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400
1
Ratios
Hugo sells handmade key chains online. Yesterday, he made 6 keychains in 30 minutes. Hugo wants to make 9 keychains today. If Hugo works at the same rate today, how long will it take him to make the keychains?
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Guest
Apr 11, 2021
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279
0
algebra
Let
P = 1/7 + 1/7^2 + 1/7^3 + ...
Then P can be expressed in the form a/b, where a and b are positive integers. Find the smallest possible value of a + b?
Guest
Apr 11, 2021
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311
0
algebra
Find the total number of terms in the expansion of (x + a)^11 - (x - a)^11 after simplification.
Guest
Apr 11, 2021
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416
3
Need Answer To This Please
The midpoint of the line segment between $(x,y)$ and $(2,4)$ is $(-7,0)$. Find $(x,y)$.
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Guest
Apr 11, 2021
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356
1
coordinates
Find the radius of the circle with equation x^2 - 4x + y^2 - 6y - 36 = 25
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Guest
Apr 11, 2021
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343
1
coordinates
For what value of c will the circle with equation x^2 + 6x + y^2 - 14y + c = 0 have a radius of length 4?
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Guest
Apr 11, 2021
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427
1
quadratics
In an equation of the form with k = ax^2 + bx + c, the least possible value of k occurs at x = -b/(2a). In the equation k = (6x - 12)(x - 8) , what is the least possible value for k?
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Guest
Apr 11, 2021
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282
1
geometry
In triangle ABC, BAC = 78 degrees and ACB = 33 degrees. The incircle of triangle ABC touches sides BC, AC, and AB at D, E, and F, respectively. Find EFD in degrees.
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Guest
Apr 11, 2021
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431
1
Marium took asurvey from her neighbour hood asking how many pets they have
Marium took asurvey from her neighbour hood asking how many pets they have
Find the average of the pets each family gets
From the information from part a what is the median per family
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Guest
Apr 11, 2021
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370
1
help lines
Line m has the equation y = 3x + 5. Line n has the equation y = kx + 7. Lines m and n intersect at the point (-4, -7). What is the value of k?
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Guest
Apr 11, 2021
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625
1
Math
A runner jogged 40m at a slow pace for 40 seconds. She then stopped for 40 seconds to get a drink of water. After that, she sped up and ran 60m more in 20 seconds. How far did she run?
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Guest
Apr 11, 2021
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386
3
help please
Call a positive integer kinda-prime if it has a prime number of positive integer divisors. If there are 168 prime numbers less than 1000, how many kinda-prime positive integers are there less than 1000?
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Guest
Apr 11, 2021
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444
1
need help
Find positive integers (a,b) so that (37 + 20*sqrt(3))^2 = a + b*sqrt3. Answer in the form of "a, b".
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Guest
Apr 11, 2021
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393
1
algebra
Two liters of a 30% acid solution are mixed with three liters of a 20% acid solution and five liters of a 10% acid. What percent of the mixture is acid?
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Guest
Apr 11, 2021
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417
1
Please Help
The length of the segment between the points (2a,a - 4) and (4,1) is units 2*sqrt(10). What is the product of all possible values for a?
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Guest
Apr 11, 2021
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