Step-by-step explanation:
the slower plane traveled x miles in 4 hours.
the faster plane traveled x + 4×80 = x + 320 miles in 4 hours.
so,
x + x + 320 = 3800 miles
2x =3480 miles
x =1740 miles (in 4 hours) .
that means the slower plane's speed was 435 mph.
and the faster plane's speed was 435 + 80 = 515 mph.
Isn't that a binomial problem
Answer:
B
Step-by-step explanation:
I'm not sure if it's right but you can try it
Good evening ,
______
Answer:
16x² - 24x + 9
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Step-by-step explanation:
16x² - 24x + 9 = (4x)²- 2×(4x)×(3) + 3² = (4x - 3)²
:)
