Subtract 3t from the equation to get 2t=-7. Multiply by three to find that 6t=-21.
Answer:
308 songs
Step-by-step explanation:
you just add the number of songs that she already knows how to play plus the number of songs that she learns to play the next week then you have your answer
So if you convert the numbers to numerical form it is 20+20+30=70
20+20=40
40+30=70
If you still don't understand feel free to ask for more help
Answer:
525 feet.
Step-by-step explanation:
Difference in height
= 375 - (-150) Remembering that - * - = + :-
= 375 + 150
= 525 feet.
First number = x
Consecutive number = x+1
"squares differ by 31" means to square both numbers and subtract them:
(x+1)^2 - (x)^2 = 31
x^2+2x+1 - x^2 = 31
2x+1 = 31
2x = 30
x = 15 (first number)
x+1 = 15+1 = 16 (consecutive number)
