The two pentagons are similar, so we know corresponding sides will all be in the ratio 24/18
for example the vertical right side can be found by:
24/18=x/21
x=28.
Find the other sides similarly and add them all up.
Answer:
B 16 : 24
Step-by-step explanation:
8 : 12 => when multiply by 2 = 16 : 24
Answer:
6x-11
Step-by-step explanation:
m=<u>y2-y1</u>
x2-x1
<u>-</u><u>1</u><u>7</u><u>-</u><u>-</u><u>5</u> = <u>-</u><u>1</u><u>2</u>
3-1. -2
The two negatives cancel ❌
m=<u>1</u><u>2</u>
2
Divide by 2
m=6
y=mx+b
-5= 6 (1) + b
-5= 6 + b
Subtract (6) from both sides
b= -11
The equation for the line is 6x -11
Answer: y should be in the interval (0.4, 4)
Explanation:
The binomial 5y - 7 is in the interval (-5, 13) if and only if
-5 < 5y - 7 < 13
Solving the inequalities in this form is the same as solving equation. So, we add all sides of the inequalities by 7 so that
2 < 5y < 20
Then, we divide both sides by 5 to get the following inequalities
0.4 < y < 4
Hence y should be in the open interval (0.4, 4).
