AdamWitt
13.12.2020 •
Mathematics
Please help ill give brainliest
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Answers on questions: Mathematics
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Ответ:
A
Step-by-step explanation:
y = (1/4)x - 7
slope = 1/4
So, the slope of the perpendicular line = -1/m = -1 ÷ (1/4)
= -1 * (4/1) = -4
(-2 , -6)
y - y1 = m(x -x1)
y - [-6] = -4(x - [-2])
y + 6 = -4(x + 2)
Ответ:
the number of centimetres is 54cm
Step-by-step explanation:
Given that 6 centimeters represents 3meters.
The number of centimeters on the blue print that will represent an actual distance of 27meters will be Y
6 : Y = 3 : 27
That is
6/Y = 3/27 = 1/9
Cross multiply
Y = 54 cm