Answer:
Step-by-step explanation:
1)a ) Let the constant proportionality =k
Direct proportion.So, y = kx
Plugin y = 6 and x =2 and find k
6 = k*2
6/2 = k
k = 3
Constant proportionality = 3
b) y = 3x
When x = 7 ; y = 3*7 = 21
y = 21
c)When x = 9,
y = 3*9
y = 27
d) When y = 9,
9 = 3*x
9/3 = x
x = 3
e)when y = 30
30 = 3*x
30/3 =x
x = 10
3) y is inversely proportion to x³

b) when x = 4

c) When x = 6

d) When y = 24

Answer: 2.54 centimeters
Step-by-step explanation: multiply the length value by 2.54
Answer:
-3/2
Step-by-step explanation:
In the picture attached, the complete question is shown.
The expression is:

You can rewrite the first term, expressing the division as a multiplication, that is, inverting the fraction in the denominator, as follows:


The addition of a negative fraction is simply the subtraction by that fraction:



Which can be simplified dividing by two both numerator and denominator:

Answer:
AREA = 4,850
Step-by-step explanation:
split into two pieces
formula for triangles- base x height divided by 2
20 x 50 = 100 / 2 = 50
(130 - 50 = 80)
80 x 120 = 9,600 / 2 = 4,800
add...
4,800 + 50 = 4,850
Answer:
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