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alext8691
28.12.2020 •
Mathematics
HELP ASAP
1. Steve travels 60 miles to school each week. Ashley travels 75% of the miles that Steve travels each week. How many miles does Ashley travel to school each week?
a 15
b 135
c 45
d 75
2. 60% of 40 is ?
3. 40% of 80 is ?
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Ответ:
1. 45
2. 24
3. 32
Step-by-step explanation:
One
Ashley= 3/4 * Steve
Ashley= 3/4 * 60
Ashley = 180/4
Ashley = 45
Two
60% of 40
60/100 * 40
2400/100 = 24
Three
40% 80 = 40/100 * 80 = 3200 / 100 = 32
Ответ:
y - y1 = m (x - x1)
m = slope, (x1, y1) = point
Slope intercept form is y = mx + b
m = slope, b = y-intercept
In order for two lines to be parallel, they must have the same slope, so in this case our slope, m = 2. Now use point-slope form to insert the point and solve.
y--2 = 2 (x --5)
y + 2 = 2x + 10
y = 2x + 8