Mathematics, 05.10.2021 23:40 hiiiiiiiiiiiii7032
Faith and Parker are both driving along the same highway in two different cars to a stadium in a distant city. At noon, Faith is 288 miles away from the stadium and Parker is 256 miles away from the stadium. Faith is driving along the highway at a speed of 52 miles per hour and Parker is driving at speed of 44 miles per hour. Let
F
F represent Faith's distance, in miles, away from the stadium
t
t hours after noon. Let
P
P represent Parker's distance, in miles, away from the stadium
t
t hours after noon. Write an equation for each situation, in terms of
t
,
t, and determine the number hours after noon,
t
,
t, when Faith and Parker are the same distance from the stadium
Answers: 1
Mathematics, 21.06.2019 22:00
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
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Mathematics, 22.06.2019 01:10
Evaluate 8x2 + 9x − 1 2x3 + 3x2 − 2x dx. solution since the degree of the numerator is less than the degree of the denominator, we don't need to divide. we factor the denominator as 2x3 + 3x2 − 2x = x(2x2 + 3x − 2) = x(2x − 1)(x + 2). since the denominator has three distinct linear factors, the partial fraction decomposition of the integrand has the form† 8x2 + 9x − 1 x(2x − 1)(x + 2) = correct: your answer is correct. to determine the values of a, b, and c, we multiply both sides of this equation by the product of the denominators, x(2x − 1)(x + 2), obtaining 8x2 + 9x − 1 = a correct: your answer is correct. (x + 2) + bx(x + 2) + cx(2x − 1).
Answers: 3
Mathematics, 22.06.2019 02:30
The focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation
Answers: 3
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