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Luba_88 [7]
3 years ago
15

In addition to his hourly rate, Mr. Smith is paid $2.20 for each watch he fixes. Write an expression for his income if he fixes

r watches per hour.
Mathematics
2 answers:
Zanzabum3 years ago
7 0

Answer:

2.2r+9.5h

Step-by-step explanation:

Im big brain

balu736 [363]3 years ago
5 0

Answer: the answer is 2.2r + 9.5h

Step-by-step explanation: hope this helps

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What is the 9th term of the geometric sequence 4, −20, 100, …?
sveta [45]
First, we are going to find the common ratio of our geometric sequence using the formula: r= \frac{a_{n}}{a_{n-1}}. For our sequence, we can infer that a_{n}=-20 and a_{n-1}=4. So lets replace those values in our formula:
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a_{n}=4*(-5)^{n-1}

Finally, to find the 9th therm in our sequence, we just need to replace n with 9 in our explicit formula:
a_{9}=4*(-5)^{9-1}
a_{9}=4*(-5)^{8}
a_{9}=1562500

We can conclude that the 9th term in our geometric sequence is <span>1,562,500</span>
4 0
2 years ago
Let X represent the number of homes a real estate agent sells during a given month. Based on previous sales​ records, she estima
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