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A square is cut out of a circle whose diameter is approximately 14 feet. What is the approximate area of the remaining portion of the circle in square feet?
General
5 months ago
At noon, ship a is 60 km west of shipb. ship a is sailing south at 15 km/h and ship b is sailing north at 5 km/h. how fast is the distance between the ships changing at 4:00 pm?
General
5 months ago
a business analyst makes 20$ an hour for the first 42 hours he works during a week and 28$ an hour for each worked over 42 hours. which piecewise equation models his weekly pay y in dollars as it relates to the number of hours x that he has worked during the week
General
5 months ago
The marketing department of a sports supply store wants to estimate the percentage of adults in the town who belong to a gym.Which statement describes a method that will help the marketing department accurately estimate this percentage?A)Select the store’s first 20 customers every day for one week, and ask each person whether he or she belongs to a gym. Calculate the percentage of the total who say “yes.”B)Take a random sample of adults at the local park, and ask each person whether he or she belongs to a gym. Calculate the percentage of the total who say “yes.”C)Take a random sample of adults in the town, and ask each person whether he or she belongs to a gym. Calculate the percentage of the total who say “yes.D)Take a random sample of the store’s adult customers, and ask what percentage of their friends belong to a gym. Calculate the mean of the responses.
General
5 months ago
A news reporter wants to estimate the percentage of registered voters who will vote for a particular candidate in an upcoming election. Which statement describes a method that will help him accurately estimate this percentage? A.) He could contact every resident in the town, ask whether the resident will vote for the particular candidate, and then calculate the percentage of residents who say they will vote for the particular candidate. B.)He could ask employees at the newspaper which candidate each will vote for, and then calculate the percentage who will vote for the particular candidate. C.)He could take a random sample of registered voters, and then calculate the percentage of the sample who will vote for the particular candidate. D.)He could ask his readers to respond to a survey that asks which candidate the reader will vote for and then calculate the percentage of people who say that they will vote for the particular candidate.
General
5 months ago
The equation y = 8.1x models the relationship between the number of hours Alexander works, x, and the dollar amount he earns, y. Which is the graph of the equation y = 8.1x? Image for option 1 Image for option 2 Image for option 3
General
5 months ago
What is the length of the radius of a circle with a center at the origin and a point on the circle at 8 + 15i?
General
5 months ago
Consider the function y = 9 - x2, where x ≥ 3. What is the inverse of the function? What is the domain of the inverse? Show all of your work for full credit.
General
5 months ago
The value of the digit in the hundreds place in the number 653,841 is 1/10 the value of the digit in the thousands place in which number?
General
5 months ago
Factor completely.15x^2y^2-3x^3y+75x^4
General
5 months ago
what was the equation of the graph below before it was shifted to the right 1.5 units?
General
5 months ago
What are the possible dimensions for a triangle with an area of 32 cm2
General
5 months ago
Jessica and Marcus each earn the same amount of money every week mowing lawns. Jessica saves 50% of her money and Marcus saves 1/4 of his money. Which statement is correct?A) Marcus saves 4/5 as much money as Jessica.B) Jessica saves 4/5 as much money as Marcus.C) Marcus saves twice as much money as Marcus.D) Jessica saves twice as much money as Marcus.
General
5 months ago
Which triangles could not be similar to triangle ABC ?Select each correct answer.
General
5 months ago
Will give brainliest to first write answer Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).The sixth grade class sold magazines for the school fundraiser. Mark, Ellen, Patty, and Rajel compared how many magazines they each sold. Mark sold nine magazines.For every magazine Mark sold, Ellen sold three magazines. How many magazines did Ellen sell? ___________________For every three magazines Mark sold, Patty sold four magazines. How many magazines did Patty sell? ____________________The ratio of the number of magazines Mark sold to the number of magazines Rajel sold is 3:8. How many magazines did Rajel sell? _________________________
General
5 months ago
Which are the solutions of the quadratic equation? x2 = 7x + 4 –7, 0 7, 0
General
5 months ago
PLEASE HELP WITH MATH PROBLEM 35 POINTSHere is the picture of the problemKayla wants to find the width, AB, of a river. She walks along the edge of the river 100 ft and marks point C. Then she walks 22 ft further and marks point D. She turns 90° and walks until her location, point A, and point C are collinear. She marks point E at this location, as shown.(a) Can Kayla conclude that Triangle ABC and Triangle EDC are similar? Why or why not? (Be sure to state a triangle similarity postulate)(b) Suppose DE = 32 ft. What can Kayla conclude about the width of the river? Explain.Answer:
General
5 months ago
A plane flew at a constant speed and traveled 762 miles in 5 hours.How many miles would the plane travel in 3 hours at the same speed?
General
5 months ago
A boy leaves on a bicycle trip at the rate of 8 mph. One hour later the father, realizing that his son forgot his camping gear, sets out by car. How fast must the father drive to overtake the boy in 15 minutes? 32 mph 36 mph 40 mph
General
5 months ago
A sprinter ran a race in 11 seconds. What is the domain of this graph?
General
5 months ago
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