07/12/22

Math problem help
Kelly has a collection of nickels, dimes and quarters with a total value of $10.45$10.45. There are 77 more dimes than nickels and 22 times more quarters than nickels, how many of each coin does... more
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07/12/22

Find c such that the function f ( x ) = { x 2 − 1 x ≤ c 8 x − 17 x > c is continuous everywhere.
f ( x ) = { x 2 − 1 x ≤ c 8 x − 17 x > cc = _____
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07/12/22

How many right angled triangles are possible such that their hypotenuse is 75cm and sides are of integral measure ?
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07/11/22

Need help, what are the right answers?
Under which conditions can the zero product property be used to solve a polynomial equation? Choose all that apply: The polynomial is factored completely The highest exponent in the equation is... more
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07/11/22

A car is traveling at a rate of kilometers per hour. What is the car's rate in kilometers per minute? How many kilometers will the car travel in minutes? Do not round your answers.
A car is traveling at a rate of 99 kilometers per hour. What is the car's rate in kilometers per minute? How many kilometers will the car travel in 5 minutes? Do not round your answers.
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07/11/22

Cookie question middle school math
Two students made the same number of cookies for the school bake sale. The first student made cookies in batches of 9 and the second student made cookies in batches of 12. Which of the following... more
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07/11/22

A parábola opening up or down has a vertex (0, 4) and passes through (-8, -4) equation in vertex form

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07/11/22

MATH W HELP NEEDED
Find a formula for the exponential function passing through the points (-3,5/8) and (1,10)y =   
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07/11/22

Katie has a collection of nickels, dimes and quarters with a total value of $ 8.30 . There are 8 more dimes than nickels and 6 more quarters than nickels, how many of each coin does she have?
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07/11/22

Riemann Integration
Show that the function f(x):f(x) = 0 if 0<x<=1f(x) = 1 if x=0is Riemann integrable, and integration of f(x) over 0-1, and equals to 0
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07/11/22

math hw help need
Find the domain of the function f(x)=13x+5f(x)=13x+5. What is the only value of xx not in the domain?Only Value=
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07/11/22

A spinner has equal regions numbered 1 through 21. What is the probability that the spinner will stop on an even number or a multiple of 3?
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07/10/22

Homework question
A store owner wants to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $20.50 per pound should be mixed with 12 pounds of trail mix costing $4.50 per... more
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07/10/22

Normal Distribution Question:
The heights of adult males are normally distributed with the following parametersMean: 70 inchesStandard Deviation: 3 inchesTask 1: The average NBA player is 6'7", or 79 inches tall. What is the... more
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07/10/22

a number t multiplied by -4 at least -2/5
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07/10/22

Solve the following quadratic function and leave the answer as an exact value. (3x – 1) 2 = 2
Find the equation of the quadratic function that has roots -8 and 2 and goes through the point (-3, 11)2 The height of a ball thrown from a balcony can be modeled by the function h(t)= -5t2 + 30t +... more
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07/10/22

algebra example
h(x)={3x+2forx\ge 0}h(x)={5x-1forx<0}h(8)=?
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07/10/22

Signs diagram for second derivative

For this problem I have to draw a sign diagram for the second derivative of the function x^(1/3). I have to determine whether the graph is concave up or down. Here is my confusion, when I get the... more
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07/10/22

BYU geometry end of course essay assignment

Two bikers meet at a park. Biker A needs to stop at the store that is 12 miles east of the park. Biker B heads southeast at a 61° angle at the same time for 24 miles. Once biker A leaves the store... more
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07/10/22

Explain how to solve rate-of-wind and rate-of-current problems.
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07/09/22

college algebra
Solve the system of equations by any convenient​ method, if a solution exists. {3x-5y=31} {6x-15y=87}
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07/09/22

The scale of a map says the 4 cm represent 5 km what distance on the map in cm represent an actual distance of 4 kilometers

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07/09/22

A pole that is 2.7 m tall cast a shadow that is 1.77 m long. At the same time a nearby building casts a shadow that is 39.75 m long. How tall is the building? Round answer to the nearest meter
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07/09/22

hw help needed !
I drop a ball off a three-story balcony. We know that objects in freefall follow the equation for height h, in meters, h=−4.9t2+ch=-4.9t2+c, where t is time in seconds, and c is the initial... more
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07/09/22

Harry made 17 pans of brownies for an event at the University of Florida. Only 2/7 of each pan was eaten. How many total brownie pans were eaten at the event?
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