(2-a)^2 + 3(2-a)
A^2 -2a + 4 + 6 -3a
A^2 -5a +10
Answer:
Step-by-step explanation:
Since this is a right angled triangle:
tan(∅) = opposite side/adjacent side
In this triangle:
tan(25°) = x/19
x = 8. 86 ≅ 8.9
Answer:
2.47
Step-by-step explanation:
convert it to a decimal = 2.47058823....
then round that to a nearest hundredth = 2.47
Step-by-step explanation:
everything can be found in the picture
The missing exponent is 21 :)
Explanation: when dividing exponents, subtract them so in this case, it’s 25-19 to get 6 as the answer
