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Ira Lisetskai [31]
2 years ago
7

Can someone help me

Mathematics
1 answer:
jeka57 [31]2 years ago
5 0
OK SURE WHAT IS IT? SO I CAN ANSWER YOUR QUEST.?
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Write an explicit formula for the An, and the n^th term of the sequence 24,-12,6,....
Annette [7]

Answer:

T_n =  -48* (-\frac{1}{2})^{n}

Step-by-step explanation:

Given

24, -12, 6,...

Required

Write a formula

The above sequence shows a geometric sequence because:

r = \frac{-12}{24} = \frac{6}{-12} = -\frac{1}{2} -- common ratio

The equation is determined using:

T_n = ar^{n-1}

Where

a = 24

Substitute values for a and r

T_n = 24* (-\frac{1}{2})^{n-1}

Apply law of indices:

T_n = 24* (-\frac{1}{2})^{n} * (-\frac{1}{2})^{-1}

T_n = 24* (-\frac{1}{2})^{n} * 1/(-\frac{1}{2})

T_n = 24* (-\frac{1}{2})^{n} * 1*-2

T_n =  1*-2*24* (-\frac{1}{2})^{n}

T_n =  -48* (-\frac{1}{2})^{n}

<em>The above represents the explicit formula</em>

7 0
3 years ago
jeromes rain gauge showed 13 9/10 centimeters at the end of last month. at the end of this month, the rain gauge showed 15 3/10
Ne4ueva [31]
It rained 1 and 4/10 centimeters. You have to first figure out what adds up to 14, which is 1/10. Then you add 1 to get 15 and 3/10 to get 15 3/10.
3 0
3 years ago
is the following example true or false? if false give a counterexample. The sum of two rational numbers is always rational the s
Lina20 [59]

Answer:

two irrational numbers is always irrational

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What happens when there is a low camber?
ra1l [238]

I really sorry I have to do this I'm in a test I need help

6 0
3 years ago
A housepainter mixed 5 gal of blue paint with every 9 gal of yellow paint in order to make a green paint. What is
ella [17]

Answer:

A

Step-by-step explanation:

5:9 is the original ratio.

we know that anything times 5 would have the ones place of either 5 or 0 so we can eliminate c and d. Then we test out the other two choices.

25/5=5

45/9=5

A is correct.

15/5=3

45/9=5

Option B is incorrect.

so, the ratio is 25:45

The answer is A!

4 0
3 years ago
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