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MATH SOLVE
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The radius of an iron atom has been calculated to be about 0.00000000014 m. What is this length in scientific notation?
General
3 months ago
please help! Which of the following points lie in the solution set to the following system of inequalities?y < −3x + 3y < x + 2 (1, −5) (1, 5) (5, 1) (−1, 5)
General
3 months ago
The data represented by the following stem-and-leaf plot range from_____ to _______.
General
3 months ago
Which rigid transformation(s) can map ABC onto FED? reflection, then dilationreflection, then translationrotation, then translationrotation, then reflection
General
3 months ago
HELP I REALLY REALLY NEED THIS HELP MEE SUPER EZ 28 POINTS I REALLY NEED THIS I DONT REALLY CARE IF ITS WRONG AT LEAST YOU TRY ;) 43. A frequency table is shown for the height’s of 4th graders in a class at Riverbend Elementary School. What is the probability that a fourth grader in this class is44 inches tall?46. A bag contains 4 red, 3 green and 2 blue marbles. What is the probability of selecting a green marble and then a blue marble assuming you replace the first marble?48. Sam draws a card and replaces it 20 times from a standard deck of 52 cards. He draws 16 black cards and 4 red cards. What is the experimental probability of drawing a black card?49. Mark has a six-sided number cube. Each side is numbered from 1 to 6. What is the probability, expressed as a ratio, that Mark will roll a 6?50. How likely is it that you would pick a pink marble out of a bag of marbles that had green, blue, red, and yellow marbles?The graph shows the number of tickets sold at a movie theater (x-axis) and the total cost in dollars (y-axis). Which coordinate pair shows the unit rate?22. As low tide came in, the ocean dropped by a rate of 12 inches every 3 minutes. Write a rational # describing this rate.
General
3 months ago
The bar graph shows that life expectancy, the number of years newborns are expected to live, in a particular region has increased dramatically since ancient times. Find the percent increase in average life expectancy of the region from the Stone Age to 2016.
General
3 months ago
Show all work Find exact value of x
General
3 months ago
find the solution set 8x^2+7x-1
General
3 months ago
(3/5)^2+4X3-2 what is the value of the expression
General
3 months ago
At the high school band's annual spaghetti dinner, the members served 210 dinners and collected $935. The band leader did not designate which ticket was an adult or child dinner. You need to know that to prepare the correct amount of food and for future planning. Each adult dinner cost $6 and each child's dinner cost $3.50. Let a = number of adult dinners Let c = number of child dinners 1. Write two equations to represent the total amount raised from the dinner and the total.
General
3 months ago
Factor the polynomial. 8g + 16h
General
3 months ago
Find the volume of the solid whose base is the circle x2+y2=25 and the cross sections perpendicular to the x-axis are triangles whose height and base are equal. Find the area of the vertical cross section A at the level x=4.
General
3 months ago
Match each function with the corresponding function formula when h(x) = 2 – 2x and g(x) = –2 x + 2.
General
3 months ago
Which of the following is NOT a property of the sampling distribution of the sample mean? Choose the correct answer below. A. The sample means target the value of the population mean. B. The expected value of the sample mean is equal to the population mean. C. The distribution of the sample mean tends to be skewed to the right or left. D. The mean of the sample means is the population mean.
General
3 months ago
A car company claims that the mean gas mileage for its luxury sedan is at least 24 miles per gallon. A random sample of 7 cars has a mean gas mileage of 23 miles per gallon and a standard deviation of 1.1 miles per gallon. At α=0.05, can you support the company’s claim assuming the population is normally distributed?
General
3 months ago
Consider the following equation. f(x, y) = e−(x − a)2 − (y − b)2 (a) Find the critical points. (x, y) = a,b (b) Find a and b such that the critical point is at (−3, 8). a = b = (c) For the values of a and b in part (b), is (−3, 8) a local maximum, local minimum, or a saddle point?
General
3 months ago
Big Bob's Pizza is having a special on pizza and is offering two different choices: Choice #1: One slice of pizza from a pizza with a 22 inch diameter and is cut into 8 slices. The cost is $4.95. Choice #2: An entire personal-size pizza that has a diameter of 6 inches. The cost is $3.75. Which choice will give you more pizza for your money? Justify your answer using numbers and words.
General
3 months ago
Use Definition 7.1.1. DEFINITION 7.1.1 Laplace Transform Let f be a function defined for t ≥ 0. Then the integral ℒ{f(t)} = ∞ e−stf(t) dt 0 is said to be the Laplace transform of f, provided that the integral converges. Find ℒ{f(t)}. (Write your answer as a function of s.)
General
3 months ago
NEED ANSWER NOW A team is selling discount cards as a fundraiser. The table shows the number of cards sold and the remaining amount of money needed. Which word describes the slope of the line representing the data in the table? zero undefined negative
General
3 months ago
Choices to pick are : y=3xAnd y=2x+2 can someone please help out ??
General
3 months ago
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