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Post New Question
All Questions
+0
230450 Questions
+4
911
1
+211
pecents
If the school's total attendance is 524 and there are 91 present in math class, what percent of the total attendance is the attendance in the math class?
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GirlsRbetteR
Jul 26, 2017
+4
1047
3
+211
percent
On Team C, 82.5% of the football players weigh more than 200 pounds. If 40 men are on the team, how many weigh more than 200 pounds?
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GirlsRbetteR
Jul 26, 2017
0
963
2
+16
Using triangle inequity prove |x+y|>=||x|-|y||
I tried by starting with (x+y)^2+(x-y)^2>=(x-y)^2, which brought me to 2x^2+2y^2>= (|x|-|y|)^2 , have no idea what else to try. Thanks!
heureka
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AspiringActuary
Jul 26, 2017
Jul 25, 2017
0
1240
1
pyramid
find the volume
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Guest
Jul 25, 2017
0
13
1850
1
2(L x W) + 2(W x H) + 2(L x H).
I have to put a football and a basketball into a rectangular box without deflating them and I have to use the formula 2(L x W) + 2(W x H) + 2(L x H).please help im lost
the sizes are this basketball 9.5 all around
football is 11.5 long
read more ..
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Guest
Jul 25, 2017
0
1291
1
+51
MATH HELP
Part A: Explain why x = 6 makes 4x − 5 ≤ 19 true but not 4x − 5 < 19. (5 points)
Part B: What value from the set {4, 5, 6, 7, 8} makes the equation 4x + 3 = 23 true? Show your work
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Sunrisesk8r
Jul 25, 2017
0
752
0
set notation: what set symbol to use?
you know how you use set symbols, like N for natural numbers and Z for integers? when is it appropiate to use these symbols? like they're all real numbers right, so we usually represent them with R, but i'm just curious as to why we can't just use, e.g
read more ..
Guest
Jul 25, 2017
0
713
1
Identify the slopes and y-intercepts of the linear equations below (show work)
Identify the slopes and y-intercepts of the linear equations below:
a) y=-2x-8
b) y=3
c) x=9
read more ..
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Guest
Jul 25, 2017
0
1345
1
Write a compound inequality to represent (show work)
Write a compound inequality to represent:
a) All numbers greater than -1 and less than or equal to 39 then display the inequality on a number line.
b) The flowers in the garden are 6 inches or taller or shorter than 3 inches. Display
read more ..
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Guest
Jul 25, 2017
+5
721
2
+752
Help!
Let f(x) = x - 3 and q(x) = bx +1. If f(q(1)) = -3, what is b?
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MIRB16
Jul 25, 2017
0
908
4
IDK
14/5 to improper fraction
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Guest
Jul 25, 2017
0
3718
1
+63
In triangle ABC, AB=9, BC=12, AC=15, and CD is the angle bisector. Find the length of CD
In triangle ABC, AB=9, BC=12, AC=15, and CD is the angle bisector. Find the length of CD.
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bbelt711
Jul 25, 2017
+1
2569
1
+618
Bisectors
In triangle $ABC$, . The incircle of triangle $ABC$ touches sides $BC$, $AC$, and $AB$ at $D$, $E$, and $F$, respectively. Find $\angle EDF$, in degrees.
Link to diagram:
read more ..
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michaelcai
Jul 25, 2017
0
917
1
Another differentiation question. Discovery.
This is the topic of: Derivatives of Composite functions
This is suppose to help me discover a rule but I just got confused.
Here goes:
Suppose y = u2
read more ..
Alan
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Guest
Jul 25, 2017
0
741
1
answer
when dividing by x-1 x+2 x-2 x-3 the polynomial p(x)=x^4+ax^3+bx^2+c+d remainder 0
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Guest
Jul 25, 2017
0
863
4
Need help with differentiation, It's simple.
Not for me though.
f(x) = (3x-6)/x
heureka
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Guest
Jul 25, 2017
+1
1
921
1
Find dy/dx
Yx+XX+Xy= ab
Find dy/dx...?
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Guest
Jul 25, 2017
0
1450
1
+9519
Need some help with differential equations.
Solve:
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MaxWong
Jul 25, 2017
+2
885
4
Simple rules of differentiation
Why is this true?
Differentiation of xn
f(x) = xn
read more ..
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Guest
Jul 25, 2017
+1
481
0
help
just kidding. you guys are awesome! keep up the good work
Guest
Jul 25, 2017
+1
1039
5
1 + 5 *10
1 + 5 *10
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Guest
Jul 25, 2017
+1
853
3
Just want too make sure I am right
i*i= -1 right?
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Guest
Jul 25, 2017
Jul 24, 2017
0
2229
1
Arithmetic Sequences
If the eight term of an arithmetic sequence with first term -1 is 20, then what is the common difference?
The first and last terms of an arithmetic sequence with thirteen terms are -7 and -115, respectively. Find
read more ..
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Guest
Jul 24, 2017
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