X=17-4y

y=x-2

answer by substitution

Sendo A = (-1, 0, 1, 2) e B = (-2, - 1, 0, 1, 2, 3, 4), verifique em cada caso se a lei dada define uma função de A com valores em B. a) f (x) = 4x b) f (x) = 3x - 1 c) f (x) = 4x + 5 d) f (x) = 5 - 2x

To increase an amount by 11% multiple by

The formula for the height of a ball as a function of time is given by the equation h = - 16t^2 + vt + h, where h is the height of a ball in feet, v is the initial velocity of the ball in feet per second, h is the initial height of the ball in feet,

Jake makes concrete by mixing cemente, sand and gravel in the ratio 4:2:1 work out the mass of the sand in 38.5kg of concrete mix

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What is the mean absolute deviation of this data set? 26, 31, 32, and 39

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What is 171 : 3 in unite rate

There are 20 students on the schools student council. A special homecoming dance committee is to be formed by randomly selecting seven students from student council. How many possible committees can be formed?

If a student is chosen at random, find the probability of getting someone who is a man or a woman. Round your answer to three decimal places. 0.195 0.923 1 0.805