neverender098
16.03.2020 •
Mathematics
There are 16 ounces in 1 pound, so the expression z16, where z represents the number of ounces, can be used to find the number of pounds for any given number of ounces. How many pounds are in 40 ounces?
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Ответ:
2½ pounds
Step-by-step explanation:
z×16 = 40
z = 40/16 = 2.5
Ответ:
To find the slope-intercept form (y=mx+c), we have to make 'y' the subject of the equation:
3y - 3x = 21 [add 3x to both sides]
3y = 3x + 21 [divide all terms by 3]
y = x + 7
∴ 3y - 3x = 21 in slope-intercept form is y = x + 7.