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pishuonlain [190]
3 years ago
12

The frist three terms of a geometric sequence are as follows 80,40,20

Mathematics
1 answer:
olga2289 [7]3 years ago
7 0

80,40,20,10 its dividing by 2

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Please help will give brainliest
omeli [17]
H = 6 in

V=bh

H=v/b

H=36/6

H=6
5 0
3 years ago
What is -3.75 in the simplest form
NARA [144]
There is no simplest form for a decimal. You can only simplify equations and fractions, not decimals. For example, could you simplify 1? I don't think you could. Well, it's the same concept for -3.75.
Hope that answered your question.
5 0
3 years ago
If cot = 1.5 find tan
adoni [48]

Answer:

2/3

Step-by-step explanation:

Tan(x) = \frac{1}{cot(x)}=\frac{1}{1.5}=\frac{2}{3}

3 0
3 years ago
A rope is swinging In such a way that the length of the arc traced by a knot at its bottom end is
Sati [7]

Answer:

  13.6 ft

Step-by-step explanation:

The geometric sequence of arc lengths can be described by ...

  f(n) = a·b^n

We have (n, f(n)) = (3, 20) and (7, 12). Using these values, we can find the common ratio (b):

  20 = a·b^3

  12 = a·b^7

Then ...

  12/20 = (a·b^7)/(a·b^3) = b^4 = 3/5

We want the 6th term, which we can get from the 7th term by multiplying by b^-1.

  b^(-1) = (b^4)^(-1/4) = (3/5)^(-1/4) = √(√(5/3)) ≈ 1.13622

Then the 6th swing had an arc length of ...

  f(6) = f(7)·b^-1

  f(6) = (12 ft)(1.13622) ≈ 13.63 ft ≈ 13.6 ft

3 0
2 years ago
Solve the one-variable equation using the distributive property and properties of equality. –6(2 + a) = –48 What is the value of
saul85 [17]
-6(2+a) = -48
Distributive property
-12 -6a = -48
Add 12 to both sides
-6a = -36
Divide both sides by -6 and you get a= 6
8 0
3 years ago
Read 2 more answers
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