07/20/20

How many text messages before they are the same

Ciera pays $15 a month plus .15 a text message for her cell phone. Alexis pays $20 a month plus .05 a text message. After how many text messages will the cost be the same for both companies?
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07/20/20

Airplane rate of change problem

Flying against the wind, a plane travels 2,000 km in 5 hours. Flying with the wind, the plane travels the same distance in 4 hours. The speed of the wind is s kilometers per hour. What is the value... more
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07/20/20

Find an equation of the parabola that satisfies the given conditions. vertex V(−3, 5), axis parallel to the x-axis, and passing through the point (5, 9)
Find an equation of the parabola that satisfies the given conditions.vertex V(−3, 5), axis parallel to the x-axis, and passing through the point (5, 9)
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07/19/20

If f(x) = 2x2 + 1, what is f(x) when x = 3?
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07/19/20

Solving Rational Equations
The population of a town has been growing, following the equation P=300t+4500where t is years after 2010. The number of restaurants in the town has been growing according to the equation R=3t+35
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07/16/20

combination and composition 8
Algebraically show that each of the given combinations are equivalent to the given functions. h(x)⋅j(x) is equivalent to k(x) given:h(x)=−3x−1 ; j(x)=−7x+11 ; k(x)=21x2−26x−11h(x)⋅j(x)=() ()=     
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07/13/20

Business Mathematics 114
Suppose an investment of $13932.96 is held for 19 quarters at a rate of 5.43% compounded quarterly, what will be the value of the investment at maturity?
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06/04/20

Which restricted one to one trig function has a domain of -pi/2<X<pi/2
Y=tan x, y=sin x, y = sec x, y=arcsin x, y= cos X, y= cot x
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06/04/20

A support cable for a 51 foot tower forma a 70 degree angle with the ground. What is the length of the cable to the nearest foot?
57ft, 54ft, 48ft, 41 ft?
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06/04/20

The lighthouse casts a shadow 28 meters long at 7 am.
The lighthouse casts a shadow 28 meters long at 7 am. At the same time, the shadow of the lighthouse keeper, who is 1.75 meters tall, is 3.5 meters long. How tall is the lighthouse?    
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06/04/20

I am struggling on this system of equations word problem
Mustaba and Sydney are selling candy for a school fundraiser. Customers can buy either small candy bars or large candy bars. Mustaba sold 6 large candy bars and 24 small candy bars for a... more
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06/04/20

Geometry Homework

A bag contains 10 red pens, 15 blue pens, 20 black pens. Joseph will pull a pen from the bag. When Joseph pulls a pen from the bag, how many outcomes are possible?A. 15B. 45C. 10D. 20
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06/04/20

I need help with this math equation

A car is purchased for $20,500. After each year, the resale value decreases by 35%. What will the resale value be after 4 years? Use the calculator provided and round your answer to the nearest... more
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05/28/20

Betty went to the hardware store and bought 2 identical wooden boards. When Betty placed the boards end-to-end, the line was 7 meters long. How long was each board?
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05/26/20

Find the equation of the exponential function represented by the table below:
x. y0. 0.11. 0.22. 0.43. 0.8
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05/23/20

Completing the square
A rectangel is 8 cm longer than it is wide. Its area is 250cm^2.Find the width of the rectangle.Find the perimeter of the rectangle. Show your work and explain the process used for solving this.
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05/21/20

This is for business essentials.

Gabe makes a salary of $850.00 (net pay) per week (assume there are 4 weeks per month). He has a $300.00 monthly car payment on his Prius with big mud tires, pays $100/ month for insurance, has a... more
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05/21/20

Asap math help please!!!!!!
1.Complete the table below. (hint, you can list the numbers or create a frequency table or both) Mean Min Q1 Median Q3 Max Range IQR Std. dev Dolphins Sweet Peppers
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05/20/20

Limits (Calculus)
What is the limit of |x+5|/(x+5) as x approaches -5 from the left?
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05/20/20

Please help me asap
Given the following graph, write the intercept form of the function. Then transform it into the standard and vertex forms.
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05/20/20

What is equivalent to -5/3
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05/20/20

I need to solve this math equation to save my grade for trig... cosxsinx+cosx=0 for x=[0,2pi]
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05/19/20

Describe the transformation
Describe the transformation of f(x) = x^3 represented by g(x) = (−x)^3 + 2.
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05/19/20

Identify the function that best models the data.
Quantity: 4,6,8,10,12Profit: 115.50,225,395.50,627,919.50Possible answers:A) C(i) = 7.625x^2 - 21.5x + 79.5B) C(i) = 79.5x^2 - 7.625x + 21.5C) C(i) = 79.5x + 7.625D) C(i) = 7.625x + 79.5Also, is... more
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05/19/20

Write a rule for the nth term of the geometric sequence with terms: a(1) = -6, a(4) = 48
a) an = -6(-2)n-1b) an = -6(-1/2)n-1c) an = -6(2)n-1d) an = -6(1/2)n-1
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