Answer:
y=-2x
This type of equation is a form of a direct proportion.
Answer:23
Step-by-step explanation: you do the math of both then you subtract 81-58
Answer:
x
Step-by-step explanation:
x/y / 1/y =
x / 1 x y / y =
x / 1 x 1 =
x
<em>Hope that helps!</em>
<em>-Sabrina</em>
Answer:
a) The formula for the area of a circle
Step-by-step explanation:
The formula for the area of a circle is
A = πr²
π is an irrational number and, no matter what value you use for r, the area will be an irrational number,
b) is wrong. A = ½(a + b)h.
c) is wrong. A = ½bh.
d) is wrong. A = bh.
All measurements are rational numbers, so the areas will be rational numbers.
