Answer:
7
Step-by-step explanation:
By Basic proportionality theorem:

Answer:
One cm represented 5 m in the first scale, but now 1 cm represents 4 m in the second scale.
Step-by-step explanation:
Answer:
451, 551, 651, 751, 851, 951, 1051, 1151,
Step-by-step explanation:
you're adding 1 each time you progress through the pattern. Btw pls rate me BRAINLYIEST im in 8th grade.
1 meter is 100 centimeters so do 200÷10 what does that leavr you with ? 20
Answer:
-5x^2-2x
Step-by-step explanation:
When distributing, you multiply the term outside the brackets to all the terms in brackets.
If the term outside the bracket is negative, then when distributing/opening the brackets, the signs of the terms changes.
So in this prob. -x would multiply to both +5x and +2
-x*5x+-x*2
∴-5x^2-2x