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Post New Question
All Questions
+0
230410 Questions
0
2403
2
+105
Really need help with these two math questions?
1. What is the explicit rule for the geometric sequence? 120, 40, 40/3, 40/9, 40/27, ...
2. What is the recursive rule for the geometric sequence? 10, −80, 640, −5120, ...
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Thank you to anyone who helps!
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Jaleco
Mar 13, 2018
+1
3798
2
Angles and Trigonometric Ratios (need help with these questions ASAP)
1. What is measure of angle A?
Enter your answer as a decimal in the box. Round only your final answer to the nearest hundredth.
read more ..
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Guest
Mar 13, 2018
0
741
1
+72
Helppppp! I just need a clarification.....
Note that
1111111=10^6+10^5+10^4+10^3+10^2+10+1
and
909091=10^6-10^5+10^4-10^3+10^2-10+1.
read more ..
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amandapaolars
Mar 13, 2018
-1
1
2200
1
+72
Help Quick Please!!!!
Evaluate $1+\frac i2-\frac 14-\frac i8+\frac 1{16}+\frac i{32}-\cdots$ (where $i$ is the imaginary unit). Express your answer in the form a+bi, where a and b are real.
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amandapaolars
Mar 13, 2018
+83
2
4489
18
+128406
4th Anniversary For Me !!!
Been on this site for 4 years now.....my thanks to Melody (and Andrew) for recommending me as a "mod".....I've learned quite a bit and "met" a lot of good people on here.....I've even managed (somehow) to help some of them....!!!
read more ..
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CPhill
Mar 13, 2018
0
661
3
Limits
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Guest
Mar 13, 2018
0
1944
2
Can someone help please?
Evaluate $\sum_{n=1}^{33} (-4n+1)$.
Thank you!
ElectricPavlov
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Guest
Mar 13, 2018
0
710
4
can anybody help me?
2x2 - 2 =
(x3-3x2+3x+2)=
can anybody help me?
read more ..
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Guest
Mar 13, 2018
0
720
1
Please Help This IS VERY URGENT
Solve this open sentence and graph the inequality
9 - |3-b| > 2
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Omi67
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Guest
Mar 13, 2018
+1
777
3
+5
how to do fraction in this thing?
how to do fraction in this thing?
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Mathmastercool
Mar 13, 2018
+2
1148
3
+132
Maths Olympiad question ( Please help)
A password consists of four distinct digits such that their sum is 19 and such that exactly two of its digits are prime, for example 0397. The number of posibilities for the password is
a)168
read more ..
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Jeffreymars16
Mar 13, 2018
+3
1044
2
+132
Maths Olympiad Question( Please help!!!)
What is the smallest prime divisor of (5^1999) + (6^1999) ?
a)2 b) 5 c)7
read more ..
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Jeffreymars16
Mar 13, 2018
0
1239
1
When the polynomial P(x) is divided by x − 2, the remainder is 7. Which of the following must be true?
A:P(7)=2
B:P(2)=7
C:P(2)=0
D:P(-2)=7
read more ..
heureka
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Guest
Mar 13, 2018
0
1364
2
What is the value of k if x3 − kx2 + 2x + 1 is divided by x − 4 and gives a remainder of −7?
A:-7
B:-5
C:5
read more ..
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Guest
Mar 13, 2018
0
686
1
What is the value of the leading coefficient a, if the polynomial function P(x) = a(x + b)2(x − c) has a multiplicity of 2 at the point (−1,
What is the value of the leading coefficient a, if the polynomial function P(x) = a(x + b)2(x − c) has a multiplicity of 2 at the point (−1, 0) and also passes through the points (7, 0) and (0, −14)?
A:2
B:-2
read more ..
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Guest
Mar 13, 2018
+1
6526
1
+593
Select Yes or No to state whether each data set is likely to be normally distributed.
Select Yes or No to state whether each data set is likely to be normally distributed.
the number of eggs collected each day on a farm
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jbouyer
Mar 13, 2018
+1
3527
2
+593
The weight of a soccer ball is normally distributed with a mean of 0.43 kg and a standard deviation of 0.01 kg.
The weight of a soccer ball is normally distributed with a mean of 0.43 kg and a standard deviation of 0.01 kg.
Suppose 800 different soccer balls are in a warehouse.
About how many soccer balls weigh more than 0.45 kg?
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jbouyer
Mar 13, 2018
+1
1983
1
+593
Suppose the length of an oarfish is normally distributed with a mean of 6.5 m and a standard deviation of 1.5 m.
Suppose the length of an oarfish is normally distributed with a mean of 6.5 m and a standard deviation of 1.5 m.
Which group describes 16% of the oarfish population?
Select each correct answer.
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jbouyer
Mar 13, 2018
+1
5
1221
5
+251
ordinary differential equations
A car is pushed forward by a force F(t). The air resistenance acting on the car is =
Vertically the car is supported by a spring and damper system at each wheel. Each spring has a stiffness k and each damper has a coeficient of c.
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vest4R
Mar 13, 2018
0
720
1
Math Functions
In making a topographical map, it is not practical to measure directly heights of structures such as mountains. This exercise illustrates how some such measurements are taken. A surveyor whose eye is a = 7 feet above the ground
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Guest
Mar 13, 2018
0
1320
2
When the polynomial P(x) = 6x3 + kx2 + x − 2 is divided by x + 2, the remainder is 0. Which of the following is also a factor of P(x)?
When the polynomial P(x) = 6x3 + kx2 + x − 2 is divided by x + 2, the remainder is 0. Which of the following is also a factor of P(x)?
A:3x-1
B:3x+1
read more ..
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Guest
Mar 13, 2018
0
1
1073
2
+101
Please Help!!!
How would I find for x in here
Please list all steps and explanations for I want to undersand as well.
read more ..
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dom6547
Mar 13, 2018
+1
915
3
+166
Open Sentences With Graphing
Solve this open sentence and graph its solution set
-5e<15 AND 6+3e<0
read more ..
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MrPatel
Mar 13, 2018
+1
643
0
+166
Solving Word Problems W/ Inequalities
The number of san marcos high school students is one third the number who walk or ride their bikes. The total number of students is at least 1800.
A) Choose a variable for the underlined part
B) Use the variable
read more ..
MrPatel
Mar 13, 2018
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