Gonna upvote
a class of 18 students took a math test. seven students had an average of 90. the...
Mathematics, 29.09.2019 00:20 pinklavalamp
Gonna upvote
a class of 18 students took a math test. seven students had an average of 90. the other students had an average of 82.
what is the average for the whole class? round to the nearest whole percent.
a) 80
b) 83
c) 85
d) 87
Answers: 3
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Given the equation y β 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. βthree fourthsx + y = 10 3x β 4y = β40 y = three fourthsx + 12 y = three fourthsx + 10
Answers: 1
Mathematics, 21.06.2019 22:40
The value of x in this system of equations is 1. 3x + y = 9 y = β4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (β4x + 10) = 9 βx + 10 = 9 βx = β1 x = 1 what is the value of y?
Answers: 1
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