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Post New Question
All Questions
+0
230833 Questions
-1
759
1
+1243
Help!
Evaluate .
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Lightning
Sep 9, 2018
Sep 8, 2018
0
792
1
+642
Simplify the expression . and if you can show me how you did it that would be really helpful
Simplify the expression . and if you can show me how you did it that would be really helpful
Simplify the expression (3-4i)(1+ 5i ) -(2-i)
read more ..
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cerenetie
Sep 8, 2018
-1
795
1
+642
more answer checking pls
my guess for this is -8-2i
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cerenetie
Sep 8, 2018
-1
724
1
+642
check my answers pls
my guess is that the real part is -6 while the imaginary part is 2i
read more ..
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cerenetie
Sep 8, 2018
0
882
1
+642
check my answers pls
is the answer -0.6i?
read more ..
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cerenetie
Sep 8, 2018
+1
857
2
+642
imaginary numbers
im thinking for this one it might be 6i sqrt 3
but im not sure i could be wrong
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cerenetie
Sep 8, 2018
-1
1165
3
+68
need help quickly
Let line l1 be the graph of 5x+8y=-9. Line l2 is perpendicular to line l1 and passes through the point (10,10). If line l2 is the graph of the equation y=mx+b, then find m+b
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isthebest123
Sep 8, 2018
-1
604
0
+1243
How do the points system work?
How do the points system work?
off-topic
Lightning
Sep 8, 2018
+1
721
1
+1243
Help!
If , then what is x?
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Lightning
Sep 8, 2018
0
565
1
I'm so confused!!!
One ordered pair satisfies the two equations and . What is the value of in this ordered pair?
Please help I have no clue how to do this!!!
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Guest
Sep 8, 2018
+1
2470
1
+295
Jeff will pick a card at random from ten cards numbered 1 through 10.
Jeff will pick a card at random from ten cards numbered 1 through 10. The number on this card will indicate his starting point on the number line shown below. He will then spin the fair spinner shown below (which has three congruent sectors) and follow
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Darkside
Sep 8, 2018
0
878
1
+295
I have 5 red plates and 4 blue plates.
I have 5 red plates and 4 blue plates. If I randomly select two plates to serve dinner on, what is the probability that they're both the same color?. If I randomly select two plates to serve dinner on, what is the probability that they're both the
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Darkside
Sep 8, 2018
-1
422
2
imaginary numbers
simplify i^1+i^2+i^3+ ... + i^ 97 + i^ 98 +i^ 99
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Guest
Sep 8, 2018
+2
916
2
+149
Adding Polynomials
(x^5-x^3-x^2+3)+(x^4-2x^3-2x^2+4x-3)
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BabyChimChim
Sep 8, 2018
0
505
1
Need help with this math problem asap!
There are 720 cans of soup in the supermarket. 350 of the cans on the shelves are vegetarian. 170 of the cans on the shelves are sodium free as well as vegetarian. 40 of all the cans in the supermarket are expired and are not on the shelves. How many cans
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Guest
Sep 8, 2018
+1
458
1
Help me and please show ur work too.
An apartment complex has 22 apartments, labeled consecutively from A through V. The mailman greets a different resident on each workday, starting with the resident in apartment A on his first day and continuing each day in alphabetical order. On his 170th
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Guest
Sep 8, 2018
+1
524
3
Help asap please and also kindly show your work too. Thanks a lot!
40% of Ron's clothes needs to be washed. 80% of the clothes that don't need to be washed is pure cotton. 70% of all of Ron's clothes are pure cotton, and he has 24 pieces of clothing that don't need to be washed and are not pure cotton. How many pieces
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Guest
Sep 8, 2018
+1
539
1
Please need help fast
Two cars are 750 miles apart. Car A is traveling towards car B at 70 miles per hour, at the same time car B is traveling towards car A at 80 miles per hour. How long would it take the two cars to reach one another?
A. 4 hours
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Guest
Sep 8, 2018
+1
474
1
Geometry Problem
The point A (3,4) is reflected over the x-axis to B. Then B is reflected over the line y=x to C. What is the area of triangle ABC?
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Guest
Sep 8, 2018
+1
528
0
+642
help me CPhill
read more ..
cerenetie
Sep 8, 2018
+1
525
0
+642
please help
Question 1:
Question 2:
read more ..
cerenetie
Sep 8, 2018
Sep 7, 2018
+1
326
0
(-6)-(-7)+-9+(3)
(-6)-(-7)+-9+(3)
Guest
Sep 7, 2018
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