04/22/23

exponential equation
Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A sample of 2300 bacteria selected from this population reached the size... more
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04/22/23

Mary drove 715miles in 13 hours. at the same rate, how long would it take her to drive 385 miles?
Mary drove 715miles in 13 hours. at the same rate, how long would it take her to drive 385 miles?
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04/22/23

Feel free to take your time..I'm in no rush at all. This question just has me a bit confused:)
At a particular restaurant, each mini hotdog has 70 calories and each chicken wing has 60 calories. A combination meal with mini hotdogs and chicken wings is shown to have 1220 total calories and... more
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04/22/23

A copy machine makes 24 copies per minute. How many copies would it make in 4 minutes and 45 seconds?
A copy machine makes 24 copies per minute. How many copies would it make in 4 minutes and 45 seconds?
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04/22/23

what number subtract it's reciprocal is equal to 1? Express your answer in radical form.

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04/22/23

statistics help

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.1 years, and standard deviation of 2.5 years.If you randomly purchase one item, what is the probability... more
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04/22/23

Linear equation
A banquet hall hosts wedding receptions. There is a charge to rent the hall in addition to a per person charge for the meal. Chrissy had 115 guests at her wedding and paid a total of $4000.What... more
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04/21/23

What number subtract it's reciprocal is 1?
1±25 -1±52 2±25 1±52
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04/21/23

when three halves of an integer squared subtracted from two-sevenths of the same integer squared is - 238 . Find the integer
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04/21/23

If a parabola that opens upwards now opens downwards, what change to y = a (x — h)2 + k has occurred?
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04/21/23

True or False. The following is a quadratic function. y = (3x — 14)3
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04/21/23

Categorize the following graph based on the parity (odd or even) of it's degree

it's a cubic graph
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04/21/23

A poster was reduced in size by ​23%.

A poster was reduced in size by 23​%. By what percent must it then be increased in size in order to restore it to its original​ size? ​(​Hint: Pick any arbitrary number to represent the original... more
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04/21/23

Not sure about this question..
The rectangles in the graph below illustrate a left endpoint Riemann sum for f(x)=x^2/9 on the interval [3,7]. The value of this left endpoint Riemann sum is _________ , and this Riemann sum is... more
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04/21/23

Please solve this math equation
Ryan borrowed $8000 at a rate of 13.5% compounded monthly assuming he makes no payments how much will he owe after 10 years do not round any intermediate computations and round your answer to the... more
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04/21/23

Practice: The Parabola
Write the equation of a parabola whose directrix is x=-6 and has a focus at (-10,5).
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04/21/23

How far does Cynthia drive in 4.5 hours at 55.5 miles

If Jaime drive for 4.5 hours at a speed of 55.5 miles per hour. How far does he drive?
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04/21/23

Help with anti derivatives

Given, f”(x)= 1x+0and f’(0) = -5 and f(0) = -4find f’(x) = ?and find f(1) = ?
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04/21/23

What relationships can be found between the 'a', 'h', and 'k' points on a graph?
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04/21/23

Algebra one, word equation
Jane and Sophia went to the corner store where packages of gum cost 85 cents each and candy bars cost 60 cents each. They spent $15 and bought 4 more packages of gum than candy bars. How many... more
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04/21/23

Algebra 1, round trip
Jed rode his scooter at 20 miles per hour and then jogged back at 8 miles per hour. If the round trip took him 7 hours, how far was it to school?
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04/21/23

Write a quadratic function that represents the cost of installing artificial turf on a square plot with a side length of x ft, and a second quadratic function the cost of installing sod on the plot.
Artificial turf costs $15/sq ft to install, and sod costs $0.15/sq ft to install. Please explain everything
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04/21/23

his bill is $113. When he uses 1,500 kilowatt hours of electricity, his bill is $153. What is the monthly administration fee?
Bryan’s monthly electric bill is determined by adding a flat administration fee to the product of the number of kilowatt hours of electricity used and the cost per kilowatt hour. When he uses 1,100... more
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04/20/23

a book sold 39,800 copies in its first month of release.
A book sold 39,800 copies in its first month of release. Suppose this represents 9.6% of the number of copies sold to date. How many copies have been sold to date?Round your answer to the nearest... more
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04/20/23

Find the surface area
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