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harlem

Public contributions from visitors who posted under the name harlem.

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hich statements are true about the graph of y ≤ 3x + 1 and y ≥ –x + 2? Check all that apply. The slope of one boundary line is 2. Both boundary lines are solid. A solution to the system is (1, 3). Both inequalities are s...
1 answer
y < 2x – 5 y > –3x + 1 On a coordinate plane, 2 straight lines are shown. The first solid line has a negative slope and goes through (0, 1) and (1, negative 2). Everything to the right of the line is shaded. The second d...
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hat is the solution to the system of equations? y = 1.5x – 4 y = –x (–1.6, 1.6) (–1.5, 1.5) (1.5, –1.5) (1.6, –1.6)
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Which value, when placed in the box, would result in a system of equations with infinitely many solutions? y = 2x – 5 2y – 4x = –10 –5 5 10
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he tables represent two linear functions in a system. A 2 column table with 5 rows. The first column, x, has the entries, negative 6, negative 3, 0, 3. The second column, y, has the entries, negative 22, negative 10, 2,...
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he soccer team is planning to sell health bars for a fundraiser. The prices of purchasing health bars from two different companies are represented by the system of equations shown, where x is the number of bars purchased...
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Kathleen and Arnob both run from the park entrance along a loop. Kathleen starts walking from the park entrance and gets a 5-mile head start on Arnob. The graph shows how far they have both traveled. A coordinate grid la...
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–9x + 1 = –x + 17 x = –8 x = –2 x = 2 x = 8
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2(4x – 3) ≥ –3(3x) + 5x? x ≥ 0.5 x ≥ 2 (–∞, 0.5] (–∞, 2]
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nastasia uses the equation p = 0.7(rh + b) to estimate the amount of take-home pay, p, for h hours worked at a rate of r dollars per hour and any bonus received, b. What is an equivalent equation solved for h? h = (h equ...
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hat is the solution to the linear equation? StartFraction 2 Over 5 EndFraction plus p equals StartFraction 4 Over 5 EndFraction plus StartFraction 3 Over 5 EndFraction p. + p = + p p = 1 p = 2 p = 8 p = 10
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ohan found that the equation –2|8 – x| – 6 = –12 had two possible solutions: x = 5 and x = –11. Which explains whether his solutions are correct? He is correct because both solutions satisfy the equation. He is not corre...
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he area, a, of an ellipse can be determined using the formula a = πxy, where x and y are half the lengths of the largest and smallest diameters of the ellipse. Which is an equivalent equation solved for y? y = a · πx y =...
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hat is the value of n in the equation ? n = 0 n = 2 n = 4 n = 6
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The solution is n = –2 verified as a solution to the equation 1.4n + 2 = 2n + 3.2. What is the last line of the justification? 0.8 = 0.8 –0.8 = –0.8 3 = 3 –3 = –3
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What is the solution to 3|–3x + 9| = –18? x = –5 x = 5 or x = 1 x = –5 or x = 1 no solution
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Use properties to rewrite the given equation. Which equations have the same solution as 2.3p – 10.1 = 6.5p – 4 – 0.01p? Select two options. 2.3p – 10.1 = 6.4p – 4 2.3p – 10.1 = 6.49p – 4 230p – 1010 = 650p – 400 – p 23p...
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Which graph represents the compound inequality? h ≥ –5 and h < 2
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A political polling agency predicts candidate A will win an election with 54% of the votes. Their poll has a margin of error of 4% both above and below the predicted percentage. Which inequality represents the predicted...
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A chef knows that ground beef used for hamburger is safe to eat once it reaches 160 degrees Fahrenheit. For optimized taste and safety, he will not allow a hamburger cooked to a temperature under 160 degrees or over 170...
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If a bus driver leaves her first stop by 7:00 a.m., her route will take less than 37 minutes. If she leaves after 7:00 a.m., she estimates that the same route will take no less than 42 minutes. Which inequality represent...
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Which compound inequality is represented by the graph? –2 < x ≤ 4 –2 ≤ x < 4 x < –2 or x ≥ 4 x ≤ –2 or x > 4
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Which compound inequality is represented by the graph? –11.25 < x ≤ –8.75 x –11.25 or x > –8.75 –8.75 x < –11.25 x < –8.75 or x –11.25
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How does natural selection explain the differences in coloration between inland and coastal guppies? Inland guppies evolved muted colors for camouflage, while coastal guppies developed muted colors because predators in c...
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What insights do scientists gain from studying the variations in guppy coloration, and why is this important for understanding evolution? They gain insights into how aesthetic preferences develop in animals. They underst...
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