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MATH SOLVE
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samantha threw an apple out of the tenth floor of her apartment building. The equation y=-16t^2+120 can be used to represent the fruits height above the ground, where t represents time in seconds after she threw the apple. How long did it takr the apple to hit the ground? round to the nearest hundredth.
General
9 months ago
Let y represent the total cost of publishing a book (in dollars). Let x represent the number of copies of the book printed. Suppose that x and y are related by the equation 25x+1150=y. Answer the questions below. Note that a change can be an increase or a decrease. For an increase, use a positive number. For a decrease, use a negative number.What is the change in the total cost for each book printed? What is the cost to get started(before any books are printed)?
General
9 months ago
A container of oil has spilled on a concrete floor. The oil flow can be expressed with the function n(t) = 8t, where t represents time in minutes and n represents how far the oil is spreading. The flowing oil is creating a circular pattern on the concrete. The area of the pattern can be expressed as A(n) = πn2. Part A: Find the area of the circle of spilled oil as a function of time, or A[n(t)]. Show your work. (6 points) Part B: How large is the area of spilled oil after 5 minutes? You may use 3.14 to approximate π in this problem. (4 points)
General
9 months ago
A mirror frame in the shape of an oval is shown below. The ends of the frame form semicircles: An oval is formed by a rectangle with semicircles at each end. The length of the rectangle is 60 inches. The width of the rectangle is 27 inches. Which of the following is the perimeter of the inner edge of the frame? (π = 3.14) 343.56 inches 289.56 inches 258.78 inches 204.78 inchesPLZZZZZ HALP
General
9 months ago
The financial officer of toys and noise arranges a loan of $7,500, at 8.5% interest, for 33 months. find the amount of simple interest. (round to the nearest cent)
General
9 months ago
The owner of an audio store received a shipment of portable stereos at a cost of $102.30 each. If he sells the stereos for $181.99 each, what is the percent of markup?
General
9 months ago
Use the coordinate grid to determine the coordinates of point A:What are the coordinates of point A? ( fraction negative 1 and 3 over 4, fraction 1 over 4) ( fraction 1 and 3 over 4, fraction negative 1 over 4) ( fraction negative 1 over 4, fraction 1 and 3 over 4 ) ( fraction 1 over 4, fraction negative 1 and 3 over 4 )
General
9 months ago
Joe has fraction 5 over 6 pound of bird seed. He needs Fraction 1 over 3. pound to feed the birds daily. Which of the rectangle models below shows how many days’ worth of seed Joe has left?A. Rectangle model divided into six equal sections, five sections are labeled five-sixths and three sections are labeled one-third, equaling one and two-thirds days.B. Rectangle model divided into six equal sections, five sections are labeled five-sixths and two sections are labeled one-third, equaling two and one-half days.C. Rectangle model divided into three equal sections, three sections are labeled five-sixths and one section is labeled one-third, equaling three days.D. Rectangle model divided into six equal sections, five sections are labeled five-sixths and one section is labeled one-third, equaling five days.
General
9 months ago
Leo and Maggie volunteer at the local bird sanctuary. Volunteers carry walkie-talkies. Leo notices that his walkie-talkie’s battery charge is only at 20%. When fully charged, the batteries last 12 hours. Leo thinks the walkie-talkie will last for his entire 3-hour shift.
General
9 months ago
The graph below shows the quadratic function f, and the table below shows the quadratic function g.
General
9 months ago
Rectangle ABCD has vertices A(8, 5) , B(8, 10) , C(14, 10) , and D(14, 5) . A dilation with a scale factor of 1.2 and centered at the origin is applied to the rectangle. Which vertex in the dilated image has coordinates of (9.6, 6) ? A′ B′ C′ D′
General
9 months ago
Find the sum of \sqrt{4}√ 4 and 3\sqrt{9}3√ 9 in simplest form. also, determine whether the result is rational or irrational and explain your answer.
General
9 months ago
If STU~ABC, which congruences are true by CPCTC? Check all that apply.A. angle T~angle BB. line SU~lineBCC. TU~BCD. line ST~ACE. angle s~angle AF. angle u~angle B
General
9 months ago
A train traveled for 1.5 hours to the first station, stopped for 30 minutes, then traveled for 4 hours to the final station where it stopped for 1 hour. The total distance traveled is a function of time. Which graph most accurately represents this scenario?
General
9 months ago
Write 0.09% as a decimal and as a fraction in simplest form.
General
9 months ago
The population of a town increased from 5,600 to 6,300 people. what was the percent increase?
General
9 months ago
Braden bought 18 pencils for $4.50.Let x represent the number of pencils purchased, and let y represent the total cost.Graph the line that represents the proportional relationship.
General
9 months ago
The radioisotope Phosphorus-32 is used in leukemia therapy. The half-life of this isotope os 14.26 days. Which equation determines the percent of an initial amount of the isotope remaining after t days?A= 14.26 (1/2)^100/tA= 14.26(1/2)^t/100A= 100(1/2)^14.26/tA= 100(1/2)^t/14.26
General
9 months ago
Evaluate the indefinite integral. (remember to use absolute values where appropriate. use c for the constant of integration.) dx hx + q (h ≠ 0
General
9 months ago
Alton has been recording the number of apples on his apple tree each week, as shown below: week apples 2 15 3 22 4 29 5 36 the function representing alton's apples per week is f(w) = 7w + 1. what does the 1 represent? the number of apples at the start the week number when alton recorded the apples the number of apples alton had in total the number the apples increased by each week
General
9 months ago
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