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gavmur [86]
2 years ago
11

Find the first 5 terms in the sequence from the explicit formula: an=(-2)^n-1

Mathematics
1 answer:
katovenus [111]2 years ago
4 0

Answer:

D

Step-by-step explanation:

Substitute n = 1, 2, 3, 4, 5 into the explicit formula

a₁ = (-2)^{0} = 1

a₂ = (-2)^{1} = - 2

a₃ = (-2)^{2} = 4

a₄ = (-2)^{3} = - 8

a₅ = (-2)^{4} = 16

The first 5 terms are 1, - 2, 4, - 8, 16

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I need the answer for number 2
Advocard [28]
<h3>I'll teach you how to solve -2/3 - 3/5</h3>

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-2/3 - 3/5

LCM of 3 and 5 is 15

Adjust fractions based on the LCM:

-10/15 - 9/15

Since the denominators are equal combine the fractions:

-10-9/15

Subtract the numbers:

-19/15

Apply fraction rule:

- 19/15

Your Answer Is The Second Option - 19/15

plz mark me as brainliest :)

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4 years ago
The ratio of the number of silver watches to the number of gold watches in a shop is 2:3. Which of the following best describes
musickatia [10]
For every 2 silver watches, there are 3 gold watches :)
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3 years ago
Read 2 more answers
Wendy's mother recorded how many donuts she has eaten over the past few months. Jelly-filled donuts 6 maple donuts 53 glazed don
coldgirl [10]

Answer:

P(\text{Powdered sugar donut})=\dfrac{1}{15} .

Step-by-step explanation:

It is given that Wendy's mother recorded how many donuts she has eaten over the past few months.

Jelly-filled donuts = 6

Maple donuts = 53  

Glazed donuts = 11  

Powdered sugar donuts = 5

Now,

Total number of donuts = 6 + 53 + 11 + 5 = 75

We need to find the experimental probability that the next donut Wendy eats will be a powdered sugar donut.

P(\text{Powdered sugar donut})=\dfrac{\text{Powdered sugar donuts}}{\text{Total number of donuts}}

P(\text{Powdered sugar donut})=\dfrac{5}{75}

P(\text{Powdered sugar donut})=\dfrac{1}{15}

Therefore, P(\text{Powdered sugar donut})=\dfrac{1}{15}.

3 0
4 years ago
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sp2606 [1]

Answer:

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3 years ago
HELP PLEASE! (Look at the picture!!!!)
Marianna [84]

Answer:

8

Step-by-step explanation:

The radius is part of a 3-4-5 special right triangle.

The diameter is two times the radius, so 4*2=

<em>I hope this helps! :)</em>

7 0
3 years ago
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