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What is the exact volume of the sphere? 56.3¯π ft³ 274.625π ft³ 366.16¯π ft³ 1464.6¯π ft³
General
6 months ago
The partially filled contingency table gives the frequencies of the data on age (in years) and sex from the residents of a retirement home. 60-69 70-79 Over 79 Total Male 1 9 5 Female 19 2 4 Total What is the probability that a resident is female ? Round your answer to three decimal places if necessary. a. 0.635 c. 0.62 b. 0.629 d. 0.625 Please select the best answer from the choices provided A B C D
General
6 months ago
Lila wrote an equation of the cost for printing brochures, where x represents the number of brochures and y represents the total cost. The total cost for 35 brochures is $41.45. The total cost for 65 brochures is $55.55. Step 1: Write the ordered pairs mc017-1.jpg and mc017-2.jpg.Step 2: Find the slope. mc017-3.jpgStep 3: Find the y-intercept to write the equation in slope intercept form. mc017-4.jpgWhich explains the error that Lila made? Lila made in error in Step 1 by reversing the ordered pairs.Lila made an error in Step 2 by not using the slope formula.Lila made an error in Step 3 when she did not use the x- and y-coordinates from the same ordered pair.
General
6 months ago
1. What is the slope of the line in the graph shown below? 2. Fine the slope that passes through (-2, -3) and (1, 1). A. 1/3B. 1C. 2D. 4/3 3. For the equation -4y=8x, what is the constant of variation?A. -4B. -2C. 1D. 2
General
6 months ago
In a randomly generated sequence of 24 binary digits (0s and 1s), what is the probability that exactly half of the digits are 0? a. 1352078 b. 1.295 c. 0 d. 0.1612 Please select the best answer from the choices provided A B C D
General
6 months ago
Explain how you would use fraction bars to find the quotient of 10/12 ÷ 4/6. What is the quotient?
General
6 months ago
Enrique has to pay 80% of a $200 phone bill. Explain how to use equivalent ratios to find 80% of $200.
General
6 months ago
The figure shows a planetarium’s viewing room, which is in the shape of a hemisphere. The diameter of the hemisphere is 50 feet. What is the volume of the viewing room of the planetarium? (Use 3.14 for π. Round the answer to the nearest tenth, if necessary. Recall that the formula for the volume of a sphere is .) 10,416.7 cu. ft. 16,354.2 cu. ft. 32,708.3 cu. ft. 65,416.7 cu. ft.
General
6 months ago
Bill spends two days driving from point a to pointb. on the first day, he drove 2 hours longer and at an average speed 5 miles per hour faster than he drove on the second day. if during the two days he drove a total of 680 miles over the course of 18 hours, what was his average speed on the second day, in miles per hour?
General
6 months ago
Part 2 Thank you thank you thank you for anyone that can help :)
General
6 months ago
Matt needs to bake 144 cookies for a school event. He can fit 18 cookies on a baking sheet for each batch. He estimates that he'll need to bake more than 10 batches of cookies to make all the cookies he needs. Is his estimate correct? Choose the correct response and reason. A. Yes. 18 is close to 20. 14 divided by 2 is 7 which is in the tens place of the quotient. B. Yes. Dividing a hundreds value by a tens value results in a number greater than 10. C. No. 18 is close to 20. 140 divided by 20 is 7 which is in the ones place of the quotient. D. No. 18 is close to 10. 140 divided by 10 is 14 so he needs exactly 10 batches.
General
6 months ago
What is the center of the circle represented by this equation? (x – 7)2 + (y + 4)2 = 9?
General
6 months ago
A landscaping company ordered 17 plants and 8 trees for a total of $964. If the plants are $12 each write and solve a linear equation to find the cost for each tree
General
6 months ago
You are dealt two cards successively without replacement from a standard deck of 52 playing cards. find the probability that the first card is a two and the second card is a ten. round your answer to three decimal places
General
6 months ago
On a certain island there are two populations of deer. after t years the numbers of deer in the two populations are p(t)=100et and q(t)=1000e−t. when is the total population smallest?
General
6 months ago
A rectangular room is 3 times as long as it is wide, and its perimeter is 56 meters. find the dimension of the room.
General
6 months ago
A certain forest covers an area of 4200 km2 . suppose that each year this area decreases by 8.5% . what will the area be after 15 years? use the calculator provided and round your answer to the nearest square kilometer.
General
6 months ago
A bike travels 7 feet in 1/3 of a second. at the same speed, how many feet will it travel in 5 seconds?
General
6 months ago
There are two more quarters than dimes, and as many nickels, as quarters and dimes together. the total amount of money is $3.75. how many quarters, dimes, and nickels are there?
General
6 months ago
Harmony used discarded paper to make notepads for her friends. She would fold five letter size pieces of paper three times then cut along the lines. She would then stack the smaller note papers and staple them together. How long would one notepad last if someone wrote ten notes per day? 1 piece of paper=1 note
General
6 months ago
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