Answer:
8
Step-by-step explanation:
3z-1
putting the value of z
=3×3-1
=9-1
=8
I would do 4 x 5 = on top then 7 x 9 = on bottem
Answer:
The largest angle is 90 degrees
Step-by-step explanation:
The three angles of a triangle add to 180
The ratio is 10 : 3: 7
Multiply each by x
10x, 3x 7x
Add them together and set equal to 180
10x+3x+7x = 180
Combine like terms
20x = 180
Divide by 20
20x/20x =180/20
x = 9
The largest angle is 10x
10*9 = 90
The largest angle is 90 degrees
Answer:
(D)E(evens) = E(odds) because the different probabilities and values end up balancing out, creating a fair game. Therefore, Jessica may choose whichever she likes.
Step-by-step explanation:
The table of the probability of rolling the sums is presented below.
P(an even sum)
Therefore, P(an odd sum)
Therefore, E(evens) = E(odds) because the different probabilities and values end up balancing out, creating a fair game. Therefore, Jessica may choose whichever she likes.
Your answer would be 8n³ + 6n² - 4n - 20.
The horizontal method for simplifying binomials is to simply multiply the terms in the first bracket by the terms in the second bracket. Written out, this looks like:
(2n² × 4n) + (4n × 4n) + (4 × 4n) + (2n² × -5) + (4n × -5) + (4 × -5).
Then, we just need to do the operations in the brackets, which gives us:
8n³ + 16n² + 16n - 10n² - 20n - 20
And finally we collect the like terms to simplify, which means doing 16n² - 10n² = 6n², and 16n - 20n = -4n, so the final answer is 8n³ + 6n² - 4n - 20.
I hope this helps!