The function f(t) = 25 sin (pi over 2t) + 10 models the temperature of a periodic chemical reaction where t represents time in hours. What are the maximum and minimum temperatures of the reaction, and how long does the entire cycle take? (5 points) A. Maximum: 25°; minimum: 10°; period: pi over 2 hours B. Maximum: 35°; minimum: 35°; period: 8 hours C. Maximum: 100°; minimum: −15°; period: pi over 2 hours D. Maximum: 35°; minimum: −15°; period: 4 hours Question solved general 5 months ago 3246
A company says that the probability of finding an all-star card in a game pack is 12.5%. A student wants to determine the probability that, if he buys 6 game packs, 2 or more will have an all-star card. To do this, he uses a random number table to pick 6 numbers from 1 to 8. He lets 1 represent a pack with an all-star card and 2 through 8 represent a pack without an all-star card. He repeats this for a total of 15 trials. The results are shown in the table. 561673 366468 314255 361362 838443 126285 257231 768551 652585 468113 123711 322764 487626 783134 384664 Select from the drop-down menus to correctly complete each statement. To estimate the probability that 2 or more out of 6 packs will have an all-star card, the student must count the number of trials with BOX RIGHT HERE and divide by the number of trials. This gives an estimated probability of about . BOX RIGHT HEREPLEASE I NEED THIS ANSWERED I HOPE ITS CLEAR ENOUGH. Question solved general 5 months ago 1277
A globe has a surface area of 2700 cm². Andrew wants to estimate the volume of the globe. To do the estimate, he approximates π using 3 in both the surface area and volume formulas for a sphere.Using this method, what value does he get for the approximate volume of the globe?Enter your answer in the box. cm³ Question solved general 5 months ago 7828
Consider ABC with the measure of angle B equal to 60 degrees, and side lengths a=4 and c=5. Which option lists an expression that is equivalent to the length of side b? Question solved general 5 months ago 7864
Is the sequence geometric? If so, identify the common ratio. 1/5, 2/15, 4/45, 8/135, 16/405 Question solved general 5 months ago 8958
The figure below shows a shaded rectangular region inside a large rectangle:A rectangle of length 10 units and width 5 units is shown. Inside this rectangle is another rectangle of length 6 units and width 3 units placed symmetrically inside the larger rectangle. The smaller rectangle is shaded gray.What is the probability that a point chosen inside the large rectangle is not in the shaded region? Question solved general 5 months ago 4170
There are distinct differences between an enlargement and a reduction with dilations. Describe the key facts about both types of dilations.ANSWER ASAP PLEASE!!!!! Question solved general 5 months ago 5682
Write the equation of the perpendicular bisector of RS. Point R is located at (–1, 3), and point S is located at (3, 1). Question solved general 5 months ago 6094
A game involves rolling a fair six-sided die. If the number facing upward on the die is a whole number multiple of three, the player wins an amount equal to the number on the die times $20. If the number is not a multiple of three, the player gets nothing. What is the expected value of a player's winnings on each roll? Question solved general 5 months ago 3703
Stephen recently purchased a camper. The value of the camper after t years is given by the following expression. 22475(0.81)^t Which of the following best describes the expression? A.) the product of the initial value of the camper and its growth factor raised to the number of months since it was purchased B.) the product of the initial value of the camper and its decay factor raised to the number of months since it was purchased C.) the product of the initial value of the camper and its growth factor raised to the number of years since it was purchased D.) the product of the initial value of the camper and its decay factor raised to the number of years since it was purchased Question solved general 5 months ago 1674
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 62 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) 146.78 inches 208.78 inches 293.56 inches 347.56 inches Question solved general 5 months ago 5838
which expression is equivalent to 100 n2 − 1? (10n)2 − (1)2 (10n2)2 − (1)2 (50n)2 − (1)2 (50n2)2 − (1)2 Question solved general 5 months ago 5568
Which of the following are solutions to the equation 2cos^2(x) - 1 = 0? Check all that apply.A. 3pi/4B. 15pi/4C. pi/8D. -7/pi/4 Question solved general 5 months ago 7622
Triangle ABC has side lengths: √6, √2, and 2√2 units. The measures of the angles of the triangle are A: 25,75,80B: 45,45,90C: 30,60,90If the base of the triangle has a length of √6 then the measure of the base angle is A: 30B: 90C: 25D: 80E: 60F: 45 Question solved general 5 months ago 1402
NEED HELP ASAP I will give you Brainly Can someone please help me with this??(PLEASE USE THE PICTURES ABOVE)And please do what it says.Thanks soo much thanks Question solved general 5 months ago 1529
A perpendicular bisector, CD is drawn through point C on AB. If the coordinates of point A are (-3, 2) and the coordinates of point B are (7, 6), the x-intercept of CD is[ A(3,0) B(18/5,0) C(9,0) D(45/2,0) ] . Point [ A(-52,117) B(-20,57) C(32,-71) D(-54,-128) ] lies on CD Question solved general 5 months ago 2343