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Answers by Rod
User Rod
Wall
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User Rod
Wall
Recent activity
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im trying to figure on a grid distance between points (4,10) (4,3) (2,3)
answered
1 hour
ago
in
Geometry Answers
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15
views
2/3 (y+5)=178
answered
1 hour
ago
in
Geometry Answers
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17
views
solve for y
find the angle between v=6i+2j, w=6i+4j
answered
1 hour
ago
in
Trigonometry Answers
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17
views
vectors
rounding numbers
is -4 is a root of equation X square + bx - 4 equal to zero and the equation X square + PX + Q is equals to zero has equal roots find the value of P and Q
answered
2 hours
ago
in
Other Math Topics
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17
views
Suppose that A is a second quadrant angle with sinA = 1/4. Determine the exact value of sin (A/2)
answered
4 hours
ago
in
Trigonometry Answers
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22
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trigonometry problems
sin
express 0.0140671 + tax rate as include as a percentage with two decimal places and in whole mills
answered
4 hours
ago
in
Other Math Topics
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14
views
a squared + b squared equals 25.84027777777777
answered
4 hours
ago
in
Trigonometry Answers
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16
views
A line has a slope of 2 and passes through the point (1, 3). An equation of the line is A) y = x + 2 B) y = x + 1 C) y = 2x + 1 D) y = 3x - 2
answered
5 hours
ago
in
Algebra 1 Answers
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16
views
A simple random sample of 25 vitamin tablets is obtained, and the potassium content of each tablet is measured. The sample has a standard deviation of 3.7 mg. Use a 0.05 significance...
answered
5 hours
ago
in
Statistics Answers
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19
views
statistics problem
Find the probability of not rolling the difference of two
answered
20 hours
ago
in
Algebra 1 Answers
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25
views
probability
algebra problems
Subtract -x^2+4x+5−x 2 +4x+5 from 7x-37x−3
answered
20 hours
ago
in
Algebra 1 Answers
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15
views
math problem
algebra problems
(9^n×3^n×3^2-27^n)/(3^15×2^3)=1/27.Find the value of n
answered
21 hours
ago
in
Algebra 2 Answers
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14
views
solving equations
solve the diophantine equation, 83x+111y=4626
answered
21 hours
ago
in
Other Math Topics
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20
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lim's investment of $2100 earned $404.25 in simple interest after 3 and 1/2 years what was the interest rate p.a?
answered
21 hours
ago
in
Other Math Topics
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23
views
Evaluate -2|n + 5| when n = -11
answered
21 hours
ago
in
Algebra 1 Answers
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14
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algebra problems
A quadratic function has its vertex at the point (−8,0). The function passes through the point (−3,−10). Find the quadratic and linear coefficients and the constant term of the function.
answered
21 hours
ago
in
Pre-Algebra Answers
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10
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A quadratic function has its vertex at the point (−8,0). The function passes through the point (−3,−10). Find the quadratic and linear coefficients and the constant term of the function
answered
22 hours
ago
in
Algebra 1 Answers
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21
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Write a quadratic function with a linear coefficient of 3, a constant term of −10, and a quadratic term of 2b2
answered
22 hours
ago
in
Algebra 1 Answers
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12
views
ow can u rewrite these logarithmic equations an exponent
answered
1 day
ago
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Algebra 1 Answers
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156
views
logarithmic equations
solving equations
simplifying expressions
Convert 7^x-2=200 to logarithmic
answered
1 day
ago
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Algebra 2 Answers
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79
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logarithmic equations
Convert log4 (16) = 2 to exponential form
answered
1 day
ago
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17
views
how do you convert 2^100=4 into its logarithmic form?
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1 day
ago
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Algebra 2 Answers
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71
views
algebra problems
Convert 5^m = 64 to logarithmic form?
answered
1 day
ago
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18
views
You are asked to conduct a simulation and run a hypothesis test at a significance level of 0.01. Based on your simulation, you find that the p-value is 0.012.
answered
1 day
ago
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Statistics Answers
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21
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hypothesis testing
need real life example of situation that would be following order of operations
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1 day
ago
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Algebra 1 Answers
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23
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algebra problems
Maximize: xy subject to: x+y=1
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1 day
ago
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Calculus Answers
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18
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A principal simulated a student raffle using 500 trials and recorded the grade level of the winner each time. The results are shown in the table
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2 days
ago
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Statistics Answers
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25
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probability
In a recent taste test, 1017 out of 1250 people could not tell the difference between a popular soda’s original flavor and the new calorie-free flavor. The company claims that more than 80%
answered
2 days
ago
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Statistics Answers
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26
views
test statistics
The claim that 90% of Americans check their mail daily is tested. Also assume that the initial conclusion rejects the null hypothesis. State the final conclusion in simple, nontechnical terms
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2 days
ago
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Statistics Answers
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29
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How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line?
answered
2 days
ago
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27
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maths problem
Why both sides are being multiplied by 9
answered
2 days
ago
in
Other Math Topics
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29
views
graph f(x)= -3|x|+2
answered
2 days
ago
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Calculus Answers
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29
views
What is the probability that it will take a resident of this city between 20 and 40 minutes to travel to work? with a mean of 38.3
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2 days
ago
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Statistics Answers
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22
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to know wline passes though two points A(2, 3). B(-5, -6). What is the slope:
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2 days
ago
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17
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how do I Sketch a graph of f(x) where f(x)=x^2 -3?
answered
2 days
ago
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19
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while testing gas pumps for accuracy across the state, the research team found that out of 6985 pumps, 1299 were inaccurate. use a normal distribution and a known test statistic of z = –2.93.
answered
2 days
ago
in
Statistics Answers
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24
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statistics problems
assume the normal distribution applies to a scenario where you are given h1 p<0.08 in a test using a significance level of a=0.01. Find the critical z value(s)
answered
2 days
ago
in
Statistics Answers
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21
views
statistics problems
Assume you want to construct a 90% confidence interval from sample of a normally distributed population. The sample size is 37. Find the critical value ta/2.
answered
2 days
ago
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Statistics Answers
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38
views
critical value
A population has a known standard deviation of 1.27, and the sample space contains 85 values. Find the margin of error needed to create a 99% confidence interval estimate of the mean of the population
answered
3 days
ago
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Statistics Answers
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29
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the sample space of population being researched contains 58 values and a mean of 318.6.
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3 days
ago
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Statistics Answers
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25
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statistics problems
33611241065/2500009666
answered
3 days
ago
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Calculus Answers
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38
views
A simple random sample of the weights of 40 women has mean of 146.22 lb.
answered
3 days
ago
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Statistics Answers
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36
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Find the critical value za/2 corresponding to a 99.5% confidence level.
answered
3 days
ago
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Statistics Answers
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29
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critical value
150 randomly selected people were surveyed about the location of the concession stand.
answered
3 days
ago
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Statistics Answers
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44
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statistics
through: (-1,5), slope = -1
answered
3 days
ago
in
Algebra 1 Answers
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36
views
slope intercept form
the population of city grew from 43,209 to 45,687 in five years. what was the percent increase solve the problem
answered
3 days
ago
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order of operations
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28
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calculating percentages
use a sample n = 500, p^ = 0.90, and a 95% confidence level to construct a confidence interval estimate of the population proportion p: Answer 0.874 < p < 0.926 How do you get that answer?
answered
4 days
ago
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Statistics Answers
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38
views
how much is 1/15th of 128 ounces?
answered
4 days
ago
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30
views
converting units of capacity
∑ ∞ n = 1 − 4 ( − 1 2 ) n −1
answered
4 days
ago
in
Algebra 2 Answers
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48
views
math problem
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