2 years ago

Andrea needs a new air conditioning system

Mathematics

1 answer:

ValentinkaMS [17]2 years ago

8 0

Answer:

She should buy one that accords to her budget and her needs

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An arithmetic sequence is defined by the general term tn = -5 + (n - 1)78, where n ∈N and n ≥ 1. What is the recursive formula o

GrogVix [38]

$\text{The general term of an arithmetic sequence:}\ a_n=a_1+(n-1)d\\\\a_n-n-th\ term\\a_1-first\ term\\d-common\ difference\\\\\text{We have}\ t_n=-5+(n-1)78.\ \text{Therefore}\ t_1=-5\ \text{and}\ d=78\\\\\text{The recursive formula of the sequence:}\\\\\left\{\begin{array}{ccc}t_1=-5\\t_n=t_{n-1}+78\end{array}\right$

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3 years ago

A bag of numbered lottery balls contains the numbers 1 through 40. What is the probability that a randomly selected ball will be

RoseWind [281]

Answer:

37/40

Step-by-step explanation:

There are 3 numbers between 1 and 40 that are a multiple of 13: 13,26,39.

So, your probability should be 40-3/40, = 37/40.

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3 years ago

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Pls help I’ll give crown

Strike441 [17]

Answer:

just add up all the squares. answer is 55

Step-by-step explanation:

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3 years ago

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Why is it important to develop and maintain a balance budget

kap26 [50]

Answer:

Maintaining a balanced budget ensures monthly obligations are met, with room for savings.With stable cash flow,monthly surpluses can be reserved in an emergency,xontingency fund, standing ready to bail you out of times of financial distress

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3 years ago

Please help me with this question image attached

Mumz [18]

Answer: (D) 9

Step-by-step explanation:

This is an isosceles triangle. Since the legs are congruent, then the base angles are congruent.

9x + 3 = 84

- 3 -3

9x = 81

÷9 ÷9

x = 9

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3 years ago

Andrea needs a new air conditioning system​

Andrea needs a new air conditioning system