10/10/21

statistics - math
life insurance policy pays $190000 if a customer passes away during the year.at start of each year a customer pays $340 for insurance.assume that in any year a certain population has 165 fatalities... more
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10/08/21

For f(x)=x^2+3x−1, find all possible values c in the interval [-2,2] that satisfy the Mean Value Theorem.
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10/08/21

Identify the center and radius of the circle with given equation
4x2+4y2+40x-32y=5
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10/07/21

what is the expression
it is cube root of 27h^2s^-7 over cube root of h^3s^6(^3√27h^2s^-7)/(^3√h^3s^6)where r, the exponent of h, is:and t, the exponent of s, is:
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10/07/21

How long will it take for hikers to meet
Benny and Anna are 13 miles apart hiking toward each other. How long will it take them to meet if Benny walks at 3 miles per hour and Anna walks 1 mph faster?
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10/07/21

Algebra One Problem
Bella has a stack of 41 bills (ones, fives, and tens) in an envelope. She has 3 less tens than fives and the quantity of ones doubles the number of fives. Write and solve an equation to determine... more
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10/07/21

Find the coordinates of the point 3/10 of the way from A to B
the coordinates are (-3,6) and (11,5)
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10/06/21

Find y′ in each of the following equations. If 3x^2+11y^2=14, then y′=? If 19xy+cos(14y)=8x, then y′=?
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10/06/21

Use algebra to evaluate the limit. lim h->0 ((4/(1+h)^2)-4)/h
We're supposed to use (f(x+h)-f(x))/h but I'm totally lost
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10/06/21

Experts. Please Help. Thank you!
Find sin2x, cos2x, tan2x if sinx = -1/√5 and x terminates in quadrant IV.Sin2x=??Cos2x=??Tan2x=??
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10/06/21

F(y) = 1 y2 − 7 y4 (y + 3y3)
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10/04/21

Help me on quadratics

27x-54(x-2)=9x^2-18x4r^3+4r^2=9(r+1)help me I am stuck
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10/04/21

Writing an equation
A company finds that there is a linear relationship between the amount of money that it spends on advertising and the number of units it sells. If it spends no money on advertising it sells 100... more
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09/27/21

Find the derivative of the function. YOU NEED NOT SIMPLIFY.
y = (3x2ex) / (9x + 1)
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06/28/21

Find the absolute maximum and minimum values of the following function

Find the absolute maxima and minima of the function on the given domain.f(x, y) = 2x² +9y² on the disk bounded by the circle x² + y² =9
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06/22/21

Calculus Problem

A yeast culture is growing at a rate of  grams per hour where t is time in hours since the culture was initiated. Use Riemann Sums with 50 left-point rectangles to compute and then interpret the... more
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06/21/21

What percentage?
The lengths of 5-inch nails manufactured on a machine are normally distributed with a mean of 5.0 inches and a standard deviation of 0.009 inch. The nails that are either shorter than 4.98 inches... more
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06/19/21

percent finding with only mean and standard deviation
An athletics coach states that the distribution of player run times for a 100-meter dash is normally distributed with a mean of 13.24 seconds and a standard deviation of .52 second. What percentage... more
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06/19/21

Use the Chain Rule to find 𝑑𝑦 𝑑𝑥 in terms of 𝑥 and simplify the result
𝑦 = 𝑒−𝑢 and 𝑢 = 𝑒−𝑥
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06/18/21

Express the confidence interval (0.029,0.113) in the form of p−E<p<p+E.
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06/18/21

First order differential equations
Find an explicit solution to the differential equation by making an appropriate substitution. x(dy/dx)-(1+x)y=xy^2
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06/16/21

i need help in this question plz and thankyou
Determine the center and radius of his circle:x^2+20x +y^2-10y+ 100=0
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06/15/21

Solve each of the following on the interval [0, 2):

a) 3 cot2x=1 b) sin x= tan x
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06/15/21

simplify what is given below

a) 1/ x-2 b) (y3/2)4 C) (3/w4)2
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06/15/21

A particle moves along the x-axis so that at time t\ge 0t≥0 its velocity is given by v(t)=3t^2+6t-9.v(t)=3t 2 +6t−9. Determine all values of tt when the particle is at rest.
A particle moves along the x-axis so that at time t≥0 its velocity is given by v(t)=3t^2+6t−9. Determine all values of t when the particle is at rest.
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