Only these are direct variations:
<span>Songs are 99 cents each to download.
Tickets for rides at the fair are $1 each.
Because, for each of them, the total value will be always the product of the number of items times a constant (the unit price).
</span>
Answer:
Step-by-step explanation:
His English class can be located on coordinates-3,-2
The next answer is (-3,-7)
Answer:
A, D, E
Step-by-step explanation:
The ratio height : base is ...
... 2.5 : 1.6
... = 25 : 16
... = 1.5625 : 1
You can eliminate the bogus answers B and C because ...
... B: the numbers are too close together. The larger would need to be near 13 for the smaller one to be 9.
... C: the base is larger than the height, so the ratio is less than 1, not greater than 1.
_____
<em>Comments on other answers</em>
A: the scale factor is 1.1
D. the scale factor is 0.5
E. the scale factor is 0.8
Answer: 9 inches.
Do the pythagorean theorem to find your answer.
Formula: a^2 + b^2 = c2
12 = b
15 = c
a^2 + 12^2 = 15^2
Simplify the equation
a^2 + 144 = 225
Subtract 144 on both sides.
a^2 = 81
Square root of 81 is 9.
