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find the product: (a x 10m) (b x 10n) A) ab x 10mnB) (a + b) x 10mnC) ab x 10m+nD) (a + b) x 10m+n
General
7 months ago
Suppose the number of dropped footballs for a wide receiver, over the course of a season, are normally distributed with a mean of 16 and a standard deviation of 2.What is the z-score for a wide receiver who dropped 13 footballs over the course of a season?−3−1.51.53
General
7 months ago
LMNP is a parallelogram. what additional information would prove that LMNP is a Rectangle?
General
7 months ago
How many different colored flags can be made from 10 colors of cloth if each flag is to consist of 3 different stripes?1,000120720
General
7 months ago
which best explains what determines whether a number is irrational?A) a number that can be written as a decimal that repeats and does not terminate B) a number that can be written as a decimal that terminates and does not repeat C) a number that can be written as a square root that does not result in a whole number D) a number that can be writtten as a decimal that neither repeats nor terminates
General
7 months ago
What is the radius of a sphere if its surface area is 2,122.64 square inches? (Use 3.14 for π.) 11 in. 13 in. 121 in. 169 in.
General
7 months ago
A random variable is used to find the number of items in a scavenger hunt being held by a local youth group. Identify the variable as discrete or continuous and explain.
General
7 months ago
What is the product of 2x + y and 5x – y + 3?
General
7 months ago
In mathematical terms, why it is necessary for a pilot to continue to change the direction of an airplane when traveling to its destination?
General
7 months ago
Triangle DEF is isosceles, where . Angle FDE is bisected by segment DG, creating angle GDE with a measure of 29°.
General
7 months ago
A professor conducts an experiment that investigates the effects of a new statistics CD on student understanding. His one statistics class is used for the sample. He divides the roster into two halves and uses each half as a group. One group receives the CD and the other does not receive the CD. Each group consists of 10 students. Observations of student classroom engagement are rated by the professor, according to an engagement scale. How could this study be improved?A. Randomly assign the students to the two different groups.B. Repeat the study again, when a larger sample size can be derived.C. Use an instrument that measures student understanding.D. Ask another professor to make and rate observations, as well.
General
7 months ago
The picture shows a feeding trough that is shaped like a right prism. (Picture is shown at the bottom!!) Plz, answer these three questions. I have my answers, I just want to double check!(a) Surface A and B are identical trapezoids. What are the lengths of the bases of the trapezoids? What is the height?(b) Surfaces A and B will be painted blue. What is the total area that will be painted blue?(c) The edges of the trapezoids need to be sanded. A piece of sandpaper advertises that it can sand up to 80 cm. Will one piece of sandpaper be enough to sand the edges of one trapezoid? Explain.Brainleist to the first and correct answer!
General
7 months ago
Which best describes the structure outlined in the bridge.It is a parallelogram because it has one pair of opposite sides that is parallel.It is a parallelogram because it has exactly one pair of opposite sides that is congruent.It is a trapezoid because it has exactly one pair of opposite sides that is congruent.It is a trapezoid because it has exactly one pair of opposite sides that is parallel.
General
7 months ago
Kristen owns 61 shares of Prince Waste Collection and 45 shares of Nar Heating/Cooling. Nar Heating/Cooling is worth $7.88 per share and Prince Waste Collection is worth $16.59 per share. If Kristen sells all of her stocks, how much money will she receive?
General
7 months ago
Enter the range of values for x please.
General
7 months ago
Which expression is equal to sec x° multiplied by cot x°? hypotenuse ÷ adjacent adjacent ÷ hypotenuse opposite ÷ adjacent hypotenuse ÷ opposite
General
7 months ago
1. A farmer divided a field into 1-foot by 1-foot sections and tested soil samples from 32 randomly selected sections in the field. He finds that the mean pH level of the samples is 5.7 with a standard deviation of 0.26.A. Find the mean and standard deviation of the sampling distribution of all possible soil samples of size n = 32. Round to three decimal places.B. Construct a 95% confidence interval for the mean pH level of soil samples from every 1-foot by 1-foot section. Show your work. Even if you use technology, show the expression that is used to determine the margin of error for the interval. Interpret the interval in a complete sentence. C. The farmer tested soil samples from 34 randomly selected sections from another field. He found the mean pH level of those samples to be 6.1 with a standard deviation of 0.34. Construct a 95% confidence interval for the difference between the mean pH levels of all possible soil samples from both fields. Show your work. Even if you use technology, show the expression that is used to determine the margin of error for the interval. Interpret the interval in a complete sentence.Answer:
General
7 months ago
PLEASE HELP EASY ALGEBRA What is the sum of the geometric sequence 1, 3, 9, … if there are 10 terms? A: 29,524 B: 55,987 C: 87,381 D: 88,573
General
7 months ago
Mr. Clark claims that he has a coin that is weighted so that the probability of heads is 40%. To test this, his students flip the coin 200 times and calculate the relative frequency of heads and tails.Outcome Heads TailsRelative frequency 0.38 0.62Select from the drop-down menus to correctly complete each statement.The relative frequency of heads is40%.Mr. Clark's claim about the theoretical probability is likely to be.This means that the theoretical probability of tails is most likelyfor this coin.
General
7 months ago
to Bill customers of water usage one city converts the number of gallons used into units the relationship is represented by the equation g equals 748 you where G is the total number of gallons of water used and you is the number of units
General
7 months ago
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