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grigory [225]
2 years ago
5

Please answer number 5 I’ll give brainliest thanks

Mathematics
2 answers:
kobusy [5.1K]2 years ago
8 0

Answer:

Hello! answer: C

Hope that helps!

Brums [2.3K]2 years ago
4 0

Answer:

b

Step-by-step explanation:

Experimental - 5 choices, 1 is Q = 1/5

Theoretical - 5 choices, landed on Q 4 times =4/5

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A geometric sequence is shown below.
mestny [16]

Answer:

An explicit representation for the nth term of the sequence:

f_n=-\frac{1}{2}\cdot \:4^{n-1}

It means, option (B) should be true.

Step-by-step explanation:

Given the geometric sequence

-\frac{1}{2},\:-2,\:-8,\:-32,...

A geometric sequence has a constant ratio, denoted by 'r', and is defined by

f_n=f_1\cdot r^{n-1}

Determining the common ratios of all the adjacent terms

\frac{-2}{-\frac{1}{2}}=4,\:\quad \frac{-8}{-2}=4,\:\quad \frac{-32}{-8}=4

As the ratio is the same, so

r = 4

Given that f₁ = -1/2

substituting r = 4, and f₁ = -1/2 in the nth term

f_n=f_1\cdot r^{n-1}

f_n=-\frac{1}{2}\cdot \:4^{n-1}

Thus, an explicit representation for the nth term of the sequence:

f_n=-\frac{1}{2}\cdot \:4^{n-1}

It means, option (B) should be true.

8 0
2 years ago
A spinner is divided into 10 equal parts and numbered from 1 through 10. What is the probability of spinning a number less than
konstantin123 [22]

Answer:

7/10 * 1/2 = 7/20

Step-by-step explanation:

\frac{7}{10} * \frac{5}{10} \\\frac{7}{10} * \frac{1}{2} \\\frac{7}{20}

3 0
2 years ago
Please help with 5 I don’t get it
Alexxandr [17]

Answer:

It’s saying for every 1/4 inch, you have 3 feet. Let’s say I had an inch. That means I have 12 feet. Hope this helped!

Step-by-step explanation:

I only have an explanation. I don’t have the answer, but maybe I could help!

3 0
3 years ago
What is the approximate area of a circle with a radius of 4 feet? Use 3.14
Eva8 [605]

Answer:

≈ 50 ft²

Step-by-step explanation:

<u>Area of circle:</u>

  • A = πr²

<u>Given:</u>

  • r = 4 ft, π = 3.14

<u>Then:</u>

  • A= 3.14 * 4² = 50.24 ≈ 50 ft²
8 0
3 years ago
What TWO steps do you take to solve the following equation: 5x - 3 = 12
hichkok12 [17]

Answer:

First add 3 to each side

Then divide each side by 5

Step-by-step explanation:

5x - 3 = 12

First add 3 to each side

5x-3+3 = 12+3

5x = 15

Then divide each side by 5

5x/5 = 15/5

x = 3

4 0
3 years ago
Read 2 more answers
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