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3 years ago

31 PIONTS GIVING BRAINIEST AWNSER Any tips on how to get a grade up ???

Mathematics

2 answers:

myrzilka [38]3 years ago

8 0

Answer:

You can get your grade up by studying, getting a tutor, paying attention in class, taking good notes, asking questions, and cheating (i don't recommend this one :/)

zheka24 [161]3 years ago

5 0

Answer:

Forgot picture?

Step-by-step explanation:

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Solve each equation for the given variable. Use inverse operations to solve each equation.

andre [41]

X = 15

Inverse operations would be + 5 to the -5 which cancels that out, & adding 5 to the 15 which gives you 15

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3 years ago

I don’t understand what this is saying. I need help

Rudik [331]

Since al is taller than bob and bob is taller then carl that would mean that carl is the shortest there and al is the tallest

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3 years ago

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Represent the geometric series using the explicit formula.

Dennis_Churaev [7]

The correct answer is:

b.) f(n) = 3 • (-2)^(n-1)

Further explanation:

Given sequence is:

3, -6, 12, -24, ...

We have to find the common ratio first.

Common ratio is the ratio between two consecutive terms of a geometric sequence.

It is denoted by r.

So,

$Here,\\a_1=3\\a_2=-6\\a_3=12\\a_4=-24\\r=\frac{a_2}{a_1}=\frac{-6}{3}=-2\\\frac{a_3}{a_2}=\frac{12}{-6}=-2$

General formula for geometric sequence is:

$a_n=a_1r^{n-1}\\Here\\a_n\ is\ the\ nth\ term\\a_1\ is\ the\ first\ term\\and\\r\ is\ common\ ratio$

Putting the values of a1 and r

$a_n=3.(-2)^{n-1}\\f(n)=3.(-2)^{n-1}$

Hence,

The correct answer is:

b.) f(n) = 3 • (-2)^(n-1)

Keywords: Geometric Sequence, Explicit formula

Learn more about geometric sequence at:

#LearnwithBrainly

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3 years ago

Which numbers are polygons

OlgaM077 [116]

c and a

by the way, thats easy. NO OFFENCE XD

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2 years ago

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. Asking 100 students at a large university for their opinions on campus life is an example of measuring a _____.

Slav-nsk [51]

Answer:

Step-by-step explanation:

I am assuming that the university has much more than 100 students so 100 people is just a small sample.

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2 years ago

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