Answer:
Step-by-step explanation:
Move the decimal to the left once on both of them and time the numbers together
H=-4.9t^2+25t
0=t(-4.9t+25)
T=25÷4.9
T= approx 5.1 which is closes to 5.0 So answer will be 5.0
Answer:
$14
Step-by-step explanation:
multiply .30 times 20 to get $6, subtract that from the orginal price which is $20
Answer:
5x^2+x-4
Step-by-step explanation:
Multiply 5x into (x+1)
to get 5x^2+5x
Multiply -4 into (x+1)
to get -4x-4
Combine like terms
5x^2+5x-4x-4
Answer:
5x^2+x-4
<u><em>Answer: x⁷</em></u>
Step-by-step explanation:
distributive property: a(b+c)=ab+ac
add by exponent rule.
x⁵⁺²=x⁷
<u><em>= x⁷</em></u>
Hope this helps!
Thanks!
Have a great day!