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PART I. WRITTENWORK: Test 1: Directions: Fill in the blanks with the correct word or words to make the statement complete. Choose your answer below. Common difference arithmetic mean explicit formula common difference an = a1 + (n-1)d arithmetic mean number of terms nth or last term first term second term finite infinite Term Progression sequence 1.A is a list of numbers written in a specified order that follows a definite pattern or rule. 2. A sequence is also called 3. Each number in the sequence is called 4. sequence contains a finite number of terms, while sequence contains an infinite number of terms. 5. In a sequence, n refers to and an refers to a1 means a2 means and so on. 6. The term or terms between any two non-consecutive terms of an arithmetic sequence is called 9 7. If the first term and the common difference of an arithmetic sequence are given, then the nth term can be determined using the formula 8. an = dn + c is known as the formula of an arithmetic sequence where d is the 9. If a, m, b forms arithmetic sequence, then m is called 10. The first step in inserting 2 or more arithmetic means between non-consecutive terms of an arithmetic sequence is to find the value of​

Sagot :

Answer:

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Step-by-step explanation:

Answer:

1. Let the 1st paycheck be x (integer).

Mrs. Rodger got a weekly raise of $ 145.

So after completing the 1st week she will get $ (x+145).

Similarly after completing the 2nd week she will get $ (x + 145) + $ 145.

= $ (x + 145 + 145)

= $ (x + 290)

So in this way end of every week her salary will increase by $ 145.

2. x + x(xx)

Put the value of x = 2 in the above expression we get,

2 + 2(22)

= 2 + 2(2 × 2)

= 2 + 2(4)

= 2 + 8

= 10

Answer: (a)

Step-by-step explanation:

1. Mrs. Rodger got a weekly raise of $145. If she gets paid every other week, write an integer describing how the raise will affect her paycheck

2. The value of x + x(xx) when x = 2 is:

(a) 10, (b) 16, (c) 18, (d) 36, (e) 64