Answer:
Answer:
2x^4(10x+9)
Step-by-step explanation:
20x5+18x4
20x5+18x4
=2x4(10x+9)
2x^4(10x+9)
Answer:
Allie gains 4, she loses 4, she has 0 points.
Step-by-step explanation:
The arrow shows it. Round 1 goes 0 to 4. Round 2 goes 4 to 0.
Answer:
25 in and 9 cm
Step-by-step explanation:
Using Pythagoras' identity
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.
let x be the missing side
A
x² = 7² + 24² = 49 + 576 = 625 ( take square root of both sides )
x =
= 25
B
x² + 12² = 15²
x² + 144 = 225 ( subtract 144 from both sides )
x² = 81 ( take square root of both sides )
x =
= 9
answer:
B
Step-by-step explanation: