a = 4 first term, r = ?, T10 = 100.
Tn = ar^n - 1 formula for g.p
T10 = 4r^ 10 - 1
100 = 4r^9
Divide both side by 4
100/4 = 4/4r^9
25 = r^9 take the 9th root of both side
9√25 = 9√r^9
r = 9√25
To find the nth term
Since Tn = ar^n - 1
Answer:
-15x^2 +8x -1
Step-by-step explanation:
(3x – 1)(-5x + 1)=
3x(-5x) + 3x(1) - 1(-5x) -1 =
-15x^2 +3x +5x -1 =
-15x^2 +8x -1
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Step-by-step explanation:
f(5) = 2(5) = 10
hope this helps
Answer:
1.Triangle is heavier than a square.
2.Circle is lighter than the triangle and square.
3.3 squares won't be balanced between one triangle.
Step-by-step explanation:
Imagine Triangle is 10 and Square is 3
Triangle is heavier.
Imagine Circle is 1
3+3+3=9 also 3 squares
3 squares + 1 circle = 10
as one circle equals 1.
Answer:
5
Step-by-step explanation:
a = 3; b = -2
a - b = 3 - (-2) = 3 + 2 = 5
