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A radio disc jockey has 8 songs on this upcoming hour’s playlist: 2 are rock songs, 2 are reggae songs, and 4 are country songs. the disc jockey randomly chooses the first song to play, and then she randomly chooses the second song from the remaining ones. what is the probability that the first song is a reggae song and the second is a rock song? write your answer as a fraction in simplest form.

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Write a rule for the function represented by the table. input (x) 0 1 2 3 4 output (y) 3 6 9 12 15 A y=3x B y=3x+3**** C y=5x+1 D y=x+5 my answer was b am I right

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Solve the following equation.-3 = x/5

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Solve 3x 4y=36 5x-8y=16

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Shane and his family go to the movie theatre and buys 6 tickets for $12 each. then they spend a total of $31 for popcorn and drinks. how much did shane and his family spend for tickets, popcorn, and drinks at the movie theatre?

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One positive integer is 3 less than twice another. the sum of their squares is 117 . find the integers

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At a basketball game, a vender sold a combined total of 116 sodas and hot dogs. The number of sodas sold was three times the number of hot dogs sold. Find the number of sodas and the number of hot dogs sold

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An exterior angle of an isosceles triangle has measure 150°. Find two possible sets of measures for the angles of the triangle. If the exterior angle of the bases is 150°​, then the measure of the angle of each base is _° and the measure of the vertex is _°. If the exterior angle of the vertex is 150°​, then the measure of the angle of each base is _° and the measure of the vertex is _°.

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A rectangle’s width is x and its length is 2x-1. Its area is 21. Find its dimensions. my work so far: 21 = x(2x +1) 21 = 2x^2 + x I was wondering how I would continue to solces this problem.

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Express the ratio in simplest form. the ratio of 500 m to 2 km

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Explain what the m and b variables represent in the y=mx b equation

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What is the value of x in the equation 1.5(x + 4) – 3 = 4.5(x – 2)? 3 4 5 9

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At a hospital, 56 percent of the babies born are boys. of the baby girls born, 12 percent are premature. what is the probability of a premature baby girl being born at this hospital? round to the nearest percent. 5% 7% 21% 27%

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How do i solve x2 – 10x = -21?

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How do i solve 8-2a=16 ??

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The faces of a green tetrahedron die are marked 10,20,30 and 40. All three die are thrown together and the scores added. Find the probability that the total is more than 30 but less than 35.

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Suppose Set B contains 69 elements and the total number elements in either Set A or Set B is 107. If the Sets A and B have 13 elements in common, how many elements are contained in set A?

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Is (2,12) a solution to the given system? y>2x+4 yx+8 3x+y>2 y>-x+8 2x+3y≥7 y≤-3x+1 x-y≥-15 Melissa keeps a jar for holding change. The jar holds 21 coins. All of the coins are quarters and nickels. The total amount in the jar is $3.85. How many quarters are in the jar? 3 7 14 21 Steve is taking a 50 question test and he answered all questions. He earned 3 points for each question he answered correctly. He lost 1 point for each question he answered incorrectly. His final test score was 102 points. The system of equations below describes the relationship between the number of questions he answered correctly (x) and the number of questions he answered incorrectly (y). x+y=50 3x-y=102 Part of the solution of the system of equations is x=38. What does this value represent? the number of points Steve lost from questions he answered incorrectly the number of points Steve earned from questions he answered correctly the number of questions Steve answered correctly the number of questions Steve answered incorrectly Drake is recording a new album. The record company wants him to record 14 or fewer songs and the album must be shorter than 72 minutes. He can record short songs that are about 3 minutes in length or long songs that are about 5 minutes in length. Which system of inequalities best represents the number of short songs (x) and the number of long songs (y) Drake can record for his new album? x+y

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I need some help with this It is given that 2(3 + x) = 6 + 2x. This is an example of the ___________ property. A) associative B) commutative C) distributive D) identity plz type the answer asap like by 7:50 or else I’m a dead man.

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How many solutions does this system have? 2x + y = 3 6x = 9 – 3y A) One B) None C) Infinite**** D) Two And if anyone knows the other question “connexus academy” I’d appreciate that thanks!!

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F(x)=−x3 −x2 +16x+16 1. Calculate f′(x). 2. Calculate f′′(x). 3. Find the x values such that f(x) = 0. Note: this can be done by factoring. 4. Find the stationary point/s. Note: a point requires x and y coordinates. 5. Determine the nature of this/these point/s. 6. Find the point/s of inflection. 7. Determine the limits: limx→∞ f(x) and limx→-∞ f(x). 8. Graph y = f(x) by hand, labelling all important features found in the previous parts. Also, the x and y axes need to be chosen so that all features (including limits) can be seen. 9. Determine the point (x, y) where the function is increasing most rapidly.

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If you add four numbers together and then divide the sum by 4 you find the a.mean b. weighted average c. median d, mode

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⦁ Suppose that the number of bacteria in a dish increases by 50% every four hours. There are 64 bacteria initially. Write a function that describes the number of bacteria after t hours have passed. Use your function to find out how many bacteria there will be after 100 hours.

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What is the equation of this line? Graph of a line on a coordinate plane. The horizontal x axis ranges from negative 10 to 10 in increments of 1. The vertical y axis ranges from negative 10 to 10 in increments of 1. A line passes through the points begin ordered pair negative 9 comma negative 8 end ordered pair and begin ordered pair 2 comma negative 4 end ordered pair. Enter your answer in the box, in slope-intercept form

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0.2(34−2)+0.50.2(34−2)+0.5

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Sin20sin30sin40sin80=

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Math help please! Multiple question problem! 25 point! The function p(w)=230(1.1)^w represents the number of specialty items produced at the old factory w weeks after a change in management. The graph represents the number of specialty items produced at the new factory during the same time period.

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PLEASE HELP! MULTIPLE QUESTION PROBLEM! 30 POINTS! WILL MARK BRAINLIEST!☺ The function p(w)=230(1.1)^w represents the number of specialty items produced at the old factory w weeks after a change in management. The graph represents the number of specialty items produced at the new factory during the same time period.

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10×2+99+5divided (x+10)=

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A vehicle travels at a steady rate of 35 miles per hour. A student will graph the total distance, D, as a function of the time in hours, h, showing the distance for 1 to 3 hours. If the student counts by 10’s, what should be the largest value on the D-axis of his or her graph so that the scale is the most appropriate for the given information?

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