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RSB [31]
2 years ago
7

Question 9 of 25

Mathematics
2 answers:
mote1985 [20]2 years ago
5 0

Answer:

B.

Step-by-step explanation:

an arithmetic sequence is B

laila [671]2 years ago
4 0

Answer:0c

Step-by-step explanation:

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Write a verbal expression for 2(n + 9)
Morgarella [4.7K]
Two times the sum of a number and nine.
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3 years ago
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Please help someone
Romashka-Z-Leto [24]

Answer:

  (-2, ∞)

Step-by-step explanation:

A function is "increasing" when its graph goes up to the right, the slope is positive. At a turning point (maximum or minimum), the function is neither increasing nor decreasing.

<h3>Increasing interval</h3>

The graph has a minimum at x = -2. To the left of that point, the graph goes up to the left, which is the same as down to the right (decreasing).

To the right of x = -2, the graph goes up to the right (increasing). It continues to increase for all values of x > 2. The interval where the function is increasing is said to be ...

  -2 < x < ∞

The lack of "or equal to" tells you the interval is "open" and is delimited by parentheses in interval notation:

  increasing; (-2, ∞)

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1 year ago
Several ordered pairs from a continuous exponential function are shown in the table. what are the domain and range of function?
son4ous [18]

the answer is b......

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3 years ago
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Which number (s) below represents a repeating decimal? -2/5, -7, 3/7, 11/12
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Zara has forgotten her 4-digit PIN code. She knows the first digit is a factor of 20 and the 4 digits make a number divisible by
KatRina [158]

Answer:

800 different sets of digits.

Step-by-step explanation:

Since the first digit is a factor of 20, the factors of 20 are 1,2,4,5,10,20. We only need the single digit factors which are 1,2,4 and 5. These 4 numbers can be permuted in 1 way for the first digit, so we have ⁴P₁.

For the second digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and also for the third digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and for the last digit, which is divisible by 5, it is either a 0 or 5, so we have two digits permuted in 1 way, ²P₁.

So, the number of different 4 digit number that Zara'2 4-digit PIN code could be is ⁴P₁ × ¹⁰P₁ × ¹⁰P₁ × ²P₁ = 4 × 10 × 10 × 2 = 800 different sets of digits

6 0
3 years ago
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