Write two different sentences that use ratios to describe the number of eyes and legs to this picture.
1 answer:
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Answer:
The length of the rectangle is 18 cm
The width of the rectangle is 6 cm
Step-by-step explanation:
Let
x-----> the length of the rectangle
y----> the width of the rectangle
we know that
The perimeter of the rectangle is
we have
so
------> equation A
------> equation B
Substitute equation B in equation A and solve for y
48=2(2y+6+y)
48=2(3y+6)
48=6y+12
6y=48-12
y=36/6=6 cm
Find the value of x
x=2(6)+6=18 cm
The area of the rectangle is
A=xy
A=18*6
A=108 cm^2
Answer:
f'(x) = 2x +
Step-by-step explanation:
differentiate using the power rule
( a
) = na
Given
f(x) = x² - + 9 = x² - 4
+ 9 , then
f'(x) = 2x + 12 = 2x +