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zvonat [6]
3 years ago
13

Write a formula to find the nth term of a geometric sequence -1/3,1/2,-3/4,9/8​

Mathematics
1 answer:
podryga [215]3 years ago
4 0

Answer:

Step-by-step explanation:

first term a = -1/3

Ratio r = 1/2÷ (-1/3) = 1/2 * (-3/1) =  -3/2

nth term = ar^(n-1)

=(-1/3)*(-3/2)^(n-1)

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Step-by-step explanation:

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2 years ago
How many solutions for x does the following equation have?
enyata [817]
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8 0
3 years ago
Hi can someone please help me
jonny [76]

Answer:

Volume = 1436.8 cm³

Step-by-step explanation:

Formula for the volume of a sphere = \frac{4}{3}\pi r^{3}

Here, r = radius of the sphere

For a sphere which has the radius = 7 cm

Volume of the sphere = \frac{4}{3}\pi (7)^3

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3 0
3 years ago
Let mAngleA = 40°. If AngleB is a complement of AngleA, and AngleC is a supplement of AngleB, find these measures.
ludmilkaskok [199]

Answer:

m\angle B = 50^\circ

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Step-by-step explanation:

We are given the following information in the question:

m\angle A = 40^\circ

Angle B is a complement of Angle A. Thus, we can write:

\angle A + \angle B = 90^\circ\\\angle B = 90 - m\angle A\\\angle B = 90 - 40 = 50\\m\angle B = 50^\circ

Angle C is a supplement of Angle B. Thus, we can write:

\angle C + \angle B = 180^\circ\\\angle C = 180 - m\angle B\\\angle C = 180 - 50 = 130\\m\angle C = 130^\circ

7 0
3 years ago
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4.8 x 3.2 = 15.36 m³

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