Answer:
84
Step-by-step explanation:
women=x
daughter=y.
x=2y.
x-21=3(y-21).
2y-21=3y-63.
42=y.
x=84.
Hope this helps plz hit the crown :D
Answer:
44 inches
Step-by-step explanation:
A regular sized printer paper is 8.5 x 11 inches. Since the long side is 11 inches, and there are 4 papers 11 x 4 us 44.
Answer:
observational study, you already know the outcome and you are doing it to take notes or learn while an experiment the outcome is unknown and you are seeing the reaction
Step-by-step explanation:
Hopes this helps??
Answer:
x ≥-1
Step-by-step explanation:
-1/2x -3 ≤ -2.5
Add 3 to each side
-1/2x -3+3 ≤ -2.5+3
-1/2x ≤ .5
Multiply each side by -2, remembering to flip the inequality
-2 * -1/2x ≥ 1/2 * -2
x ≥-1
5t+3=2t+15
combine the t's by adding 2t to 5t
7t+3=15
subtract 15 by 3
7t=12
divide by 7
t is about 1.7
