Answer:
Thus, the ratio is:
a:b = 1:4
Step-by-step explanation:
Given the expression
Divide both sides by 2
Divide both sides by b
Thus, the ratio is:
a:b = 1:4
Answer:
B. not a function
Step-by-step explanation:
A function is a set of data in which no x values repeat, but where y values may or may not repeat.
Answer:
12 cups
Step-by-step explanation:
21:7=3 i mean that's kinda it
3x4=12
A. 14 ft
B. 4 seconds
C. 9.25 seconds
Answer:
Step-by-step explanation:
You have an angle bisector in AD. That means the sides are in proportion to to BD and DC
It's much easier just to look at the proportion.
AB / BD = AC/DC
18 / (3x - 3) = 15/(x + 5) Cross multiply
18*(x + 5) = 15 (3x - 3) Remove the brackets
18x + 90 = 45x - 45 Switch the sides.
45x - 45 = 18x + 90 Subtract 18x from both sides
<u>-18x -18x</u>
27x - 45 = 90 Add 45 to both sides
<u> +45 45</u>
27x = 135
x = 5
But that's not the answer (even though it is correct). You want BD
BD = 3x - 3
BD = 3*5 - 3
BD = 15 - 3
BD = 12