All Questions ⁺⁰237692 Questions

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Need Help

The weights of grapefruits in a bin are normally distributed with a mean of 261 grams and a standard deviation of 9.4 grams.
Approximately 20% of the grape fruits weight less than which amount?

239 read more ..

whosmans Apr 4, 2019

0

1083

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+155

Help

The expression P(z<1.27) represents the area under the standard normal curve below the given value of z.
What is P(z<1.27)?

0.1020 read more ..

jj88778 Apr 4, 2019

0

1007

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+87

Please help with ordered pairs

Which ordered pair is a solution to this inequality? -2/3x - 4y > 0

A. (-15,3)
B. (6,3) read more ..

so1963 Apr 4, 2019

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447

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+4

Help please

Let $S$ be the set of points $z$ in the complex plane such that $|z - 7 + 10i| \le 5.$ Find the area of $S$.

GreenSilver Apr 4, 2019

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943

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Which of the following pieces of wood would incur additional shipping costs?

Cylindrical pieces of wood are to be shipped to a furniture production facility. Additional shipping costs are applied to any piece of wood that weighs more than 1400 lbs. The densities for the pieces of wood being shipped are shown below: read more ..

●●●●●●●●

macabresubwoofer Apr 4, 2019

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2905

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+1982

A soda company wants to efficiently pack 9 cans of soda in one box. Each soda can has a radius r.

A soda company wants to efficiently pack 9 cans of soda in one box. Each soda can has a radius r.
What is the ratio of the height of a rectangular pack h1 to the height of a parallelogram pack h2? read more ..

macabresubwoofer Apr 4, 2019

0

1158

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+1982

What is the population density of mountain lions per 250 km^2 in California?

A team of ecologists is tracking mountain lions throughout California. They count 4543 mountain lions in the entire state. The area of California is 423,970 km^2.

What is the population density of mountain lions per 250 km^2 in California? read more ..

macabresubwoofer Apr 4, 2019

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Difficult math problem that most of y'all nerds probably can't solve

1234 how many nib nobs are in my store

Guest Apr 4, 2019

+1

700

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Combine Functions

ElectricPavlov ●

LlamaParis Apr 4, 2019

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466

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workkk

A circle has a circumference of 28.2628.2628, point, 26 units.

off-topic

Guest Apr 4, 2019

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1744

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Algebra help!

Tina the tourist goes on a trip. She starts at the origin and drives north (in the positive $y$ direction) for $10$ units. Then she turns east (the positive $x$ direction) and as she's turning her camera flies out the window and lands exactly at $(0,10)$. read more ..

Guest Apr 4, 2019

+2

1362

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Math Problem

For each plumbing repair job, Mr. Wrench charges dollars for coming out to the house plus dollars per hour that he works at the house. He charged for a one-hour repair job and for a five-hour repair job. What read more ..

detkitten Apr 4, 2019

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1574

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Help!

The number 0.1271 represents the area under the standard normal curve below a patricular Z-score.
what is the Z score ?
Enter your answer as a decimal to the nearest hundredth in the box.

Guest Apr 4, 2019

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1189

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Algebra 2 help!

The number of huckleberries picked during a huckleberry contest are normally distributed with a mean of 300 and a
standard deviation of 53. Jill picked 276 huckleberries in the contest.
What percent of huckleberries picked less read more ..

Guest Apr 4, 2019

+1

823

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My Last Question

On the last question I posted about inverse functions and their domains and ranges, I got a quite rude answer from a Guest. Could someone that is actually educated that could help me with my question?

MemeLord Apr 4, 2019

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662

1

help thanks!

Let $f(x)$ be a quartic polynomial with integer coefficients and four integer roots. Suppose the constant term of $f(x)$ is $6$.
(a) Is it possible for $x=3$ to be a root of $f(x)$?
(b) Is it possible for $x=3$ to be a double root of $f(x)$? read more ..

Guest Apr 4, 2019

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447

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Which of the following is NOT a feature of the Revolutionary Literary Period?

Which of the following is NOT a feature of the Revolutionary Literary Period?
people arrive at truth through reason
God created the universe, but is now hands-off patriotic
ideas focus on serving the King read more ..

off-topic

Guest Apr 4, 2019

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