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Post New Question
All Questions
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229738 Questions
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433
1
sorry i know i am dumb
The length of a large rectangular room is 7 metres more than its width. If the perimeter is 34 metres, the length of the room, in metres, is:
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Guest
Apr 10, 2020
+1
752
6
+476
Did you know?: This forum has a Discord server.
Recommended by Melody, I am posting this here.
link: http://invite.gg/math
This forum actually has an epic Discord server. If you don't know, Discord is a place where people get together, and
read more ..
off-topic
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AsadRehman
Apr 10, 2020
0
539
2
+63
Help Please
The graph of y=f(x) is shown in red below. For how many values of c is f(c)=-1?
(Assume grid lines are spaced 1 unit apart)
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smallbrain
Apr 10, 2020
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457
1
help
If the cone and the square pyramid have the same volume, find the radius of the cross section of the cone. Round your answer to the nearest hundredth
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Guest
Apr 10, 2020
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553
1
+46
yep i need help
If Bob drove 180 km from Toronto to London at 90 km/h, then drove back at only 60 km/h, what was his average speed over the entire trip?
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ueshui
Apr 10, 2020
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486
1
help
What are the measures of angles 1, 2, 3, 4.
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Guest
Apr 10, 2020
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693
1
Geometry
In the figure below, WZ and WX are tangent to the circle centered at O. The segment ZX passes through the center of the circle. Given that WZ=17.4 and ZX=12, find ZY.
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Guest
Apr 10, 2020
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410
1
please help
The key club is working a concession stand at the school fair. They are selling cotton candy for $3.50 and soda for $1.50. At the end of the first shift they made $120. The club sold a total of 60 items. How much cotton candy and soda did they sell?
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Guest
Apr 10, 2020
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441
1
help
If a house is purchased at $240,000, what is the predicted value of the house in 12 years if it appreciates at a rate of 4% per year? Round to the nearest cent, if necessary. (Hint: The formula for appreciation is P(1+r)^t where p is the principal or initial
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Guest
Apr 10, 2020
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1674
3
For how many different negative values of x is $\sqrt{x +150}$ a positive integer?
For how many different negative values of x is $\sqrt{x +150}$ a positive integer?
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Guest
Apr 10, 2020
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519
1
help
Remove all perfect squares from inside the square root.
\sqrt{108a^6}=
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Guest
Apr 10, 2020
0
1390
1
+223
Help PLEASE
A line passes through the points (-3,-5) and (6,1). The equation of this line can be written in the form Ax + By = C, where A, B, and C are integers with greatest common divisor 1, and A is positive.
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CPhilFanboy
Apr 10, 2020
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403
1
help please
how many integers are on the number line of 3sqrt5 and 5sqrt3
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Guest
Apr 10, 2020
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2288
1
help
Lindsay is 5 years younger than Mark. Seven years ago, the sum of their ages was
31.
let l be Lindsay's age and let m be Mark's age.Which system of equations represents this situation?
l−7=(m−7)+5 <#> l+m=31 <#> <#> <#> <#> l=m+5 <#> (l−7)+(m−7)=31 <#> <#> <#> l−7=(m−7)−5 <#> l+m=31 <#> <#> l=m−5 <#> (l−7)+(m−7)=31 <#>
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Guest
Apr 10, 2020
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1146
2
+18
help
Which equation can be simplified to find the inverse of y = x2 – 7?
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izzy024
Apr 10, 2020
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423
0
+18
help
Which equation can be simplified to find the inverse of y = x2 – 7?
izzy024
Apr 10, 2020
0
462
1
+223
Please Help!!!
Whaat is the equation of the graph whose line has points in (-2,1) and (-3,3). Write your answer in standard form.
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CPhilFanboy
Apr 10, 2020
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385
1
help
Which equation can be simplified to find the inverse of y = x2 – 7?
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Guest
Apr 10, 2020
0
718
1
+18
kkokoko
Which equation is the inverse of y = 2x2 – 8?
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izzy024
Apr 10, 2020
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521
1
help!
Charlie biked 15 minutes home from school and then walked 12 minutes to the pizza place near his house. This trip was 3.6 miles in total. His rate on his bike is 3 miles per hour less than 5 times his walking rate. In miles per hour, what is Charlie’s speed
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Guest
Apr 10, 2020
+1
642
2
+42
I'm dying on this question.
Amy and Ben each picked a positive whole number. The sum of Amy’s
and Ben’s numbers was 23. The product of Amy’s and Ben’s numbers
was 126. If Amy’s number was greater than Ben’s number, what is the
value of Amy’s number minus Ben’s number?
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Nerdo
Apr 10, 2020
0
806
1
probability
Random digits are integers selected from among 0,1,2,3,4,5,6,7,8,9 one at a time in such a way that at each stage in the selection process the integer chosen is just as likely to be one digit as any other. In simulation experiments it is often necessary
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Guest
Apr 10, 2020
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