08/03/22

MATH HW HELP NEEDED ASAP
The cost C(x)C(x), where x is the number of miles driven, of renting a car for a day is $23 plus $1.65 per mile.What is the slope of the linear function and its units?  Select an answer miles per... more
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07/26/22

Exponential Logarithmic Functions
The size of the wolf population at Isle Royale National Park increases at a rate of 4.3% per year. If the size of the current population is 83 wolves, find how many there should be in 5 years. Use... more
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07/26/22

help me find the midpoint
Vertex C is the midpoint of the vertices (each vertex) for the parabolas given by y = -5(x+4)^2 - 10 and y = 3/2(x+14)(x+10)
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07/26/22

Put the events in order of what is most likely to happen, to least likely to happen. If you were to win a million dollars for winning one of these events, which would you pick to play?
Put the events in order of what is most likely to happen, to least likely to happen. If you were to win a million dollars for winning one of these events, which would you pick to play? Use... more
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07/25/22

Physics problem about throwing a stone into a well
The diameter of the well is d = 1.3 m, and the distance from the top of the well to the water surface is h = 5 m. What is the minimum velocity required to throw a stone from a point located a = 9 m... more
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07/24/22

Math Question problem please help me
Water is being poured into a container as illustrated below at a constant rate. The height of the water level is then recorded every second. Draw the graph of the height of water level versus time... more
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07/24/22

Math Question I don't understand please help me
 Water is being poured into a container at a constant rate. The data below represents the height of the water level with relation to time. Time (s) -> Height of Water... more
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07/01/21

Solve 7 sin ( 3 x ) = 5 for the two smallest positive solutions A and B, with A < B
What is A and B?A=B=
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07/01/21

Find all solutions to 2 cos ( θ ) = 1 on the interval 0 ≤ θ < 2 π

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07/01/21

Find all solutions to 2 sin ( θ ) = − √ 3 on the interval 0 ≤ θ < 2 π

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07/01/21

How many minutes of the ride are spent higher than 27 meters above the ground?
A Ferris wheel is 35 meters in diameter and boarded from a platform that is 2 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel... more
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07/01/21

How many hours after midnight does the temperature first reach 81 degrees?
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 70 and 100 degrees during the day and the average daily temperature first... more
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07/01/21

Car Talk Question: Height of fill line of cylindrical gas tank
I remember hearing about this question from Car Talk and don't remember how to find the answer.The gas tank on a truck is a horizontal cylinder. A driver wants to mark the circular face of the tank... more
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07/01/21

The coefficient of variation for a random variable is defined as σ/μ.
The coefficient of variation for a random variable is defined as σ/μ. This coefficient is analternative to the standard deviation as a measure of dispersion; the coefficient of variationmeasures... more
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07/01/21

Simplex Method Linear Equations

minimize c=2s+t+3u Subject to s+u≥1002s+t≥50s≥0, t≥0, u≥0
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06/27/21

WAS or WERE with an object of a preposition.
Which is correct?A) Early in his efforts, nine months of work were destroyed when...B) Early in his efforts, nine months of work was destroyed when..."A" sounds correct but wasn't it the "work"... more
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06/24/21

Need help ASAP!
At Starbucks customers can choose the drinks among three sizes: Tall, Grande, Venti. Suppose of all customers, 36% chooses Tall, 26% chooses Grande, and 38% (the rest) choose Venti. On one... more
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06/22/21

.....How far from the post is the chain when it is 50cm from the ground? Write your answer correct to 2 decimal places
A chain is hanging between two posts so that its height above the ground h, in centimeters, can be determined by h = 0.0025x2 - 0.9 + 120, where x is the horizontal distance from one post in... more
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06/22/21

What is the mathematical expectation for this game?
Suppose you toss a coin and will win $5 if it comes up heads. If it comes up tails, you toss again. This time you will receive $10 if it comes up heads. If it comes up tails, toss again. This time... more
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06/22/21

Convert 189 into a base four number. Show steps clearly
Convert 189 into a base four number. Show steps clearly
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06/22/21

Pearson's R effect Size
In my data, I got p<.001 what does this tell me about the effect size? I am new to stats and this is all so confusing :0(
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06/22/21

Suppose that cos0=6/7 and that π <0 <3π/2. Find the values of sin0, tan0, csc0, sec0, and cot0.
sin0=?tan0=?csc0=?sec0=?cot0=?
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06/22/21

i need help fast
A 1-ounce serving of baked potato contains 45.3 calories,and a 1-ounce serving of chicken contains 22.6 calories Estimate to the nearest whole number how many calories are in a meal of 2 ounces of... more
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06/22/21

You are conducting a study to see if the proportion of men over 50 who regularly have their prostate examined is significantly different from 0.17.

You are conducting a study to see if the proportion of men over 50 who regularly have their prostate examined is significantly different from 0.17. You use a significance level... more
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06/22/21

ou are conducting a study to see if the probability of catching the flu this year is significantly more than 0.71.

You are conducting a study to see if the probability of catching the flu this year is significantly more than 0.71. Thus you are performing a right-tailed test. Your sample data produce the test... more
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