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zubka84 [21]
3 years ago
8

What is the 4th term in the sequence b(n)=1(-2)^n-1

Mathematics
1 answer:
marishachu [46]3 years ago
7 0

Answer:

<h2>The answer is 8</h2>

Step-by-step explanation:

From the question the formula for the sequence is

b(n) = 1 ({ - 2})^{n - 1}

where

n is the nth term in the sequence

Since we are finding the 4th term n = 4

Substitute this value of n into the above formula

That's

b(4) = 1 ({ - 2})^{4 - 1} \\  = 1 ({ - 2})^{3}  \\  =   { - 2}^{3}

We have the final answer as

<h3>8</h3>

Hope this helps you

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A new company is in the process of evaluating its customer service. The company offers two types of sales: (1) Internet sales an
iragen [17]

Answer:

H_A: P_{\text{Internet}}-P_{\text{Store}} > 0.10

Step-by-step explanation:

We are given the following in the question:

Let P_{\text{Internet}} be the proportion of the internet sales and P_{\text{Store}} be the proportion of the store sale.

Hypothesis:

We have to conduct a hypothesis to check that the Internet sales are more than 10 percent higher than store sales.

Thus, we can design the null and alternative hypothesis as:

H_{0}: P_{\text{Internet}}-P_{\text{Store}}\leq 0.10\\H_A: P_{\text{Internet}}-P_{\text{Store}} > 0.10

Alternate Hypothesis:

The alternate hypothesis states that the proportion of the internet sales is greater than the proportion of store sales by 10 percent.

3 0
4 years ago
a roofer charges $60 for the first hour of service call and $25 per hour for each additional hour. The roofer also charges a fee
Temka [501]

Answer:

<h2>y=60+25h+0.3r</h2>

Step-by-step explanation:

let y be the total charges

given that the hour is h

and the cost for raw material is r

therefore

1. The first hour of service call = $60

2. For each additional hour= 25h

 3. 30% over the cost of the materials.= 30/100*r=0.3r

total charges

y=60+25h+0.3r

therefore the expression is

y=60+25h+0.3r

   

4 0
3 years ago
PLEASE ANSWER ASAP!! :)<br> thanks
Free_Kalibri [48]

Answer:

2 one

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
If mAngleDAC = 25°, what is mAngleDAB in degrees?
Alla [95]
I will need you to insert a picture of the angles so I can tell you their measure
6 0
3 years ago
Number 3 and how you got the answer
melomori [17]
You have the correct steps and final answer. The area of the room is 196 square feet, so each side is sqrt(196) = 14. The perimeter is 14*4 = 56 feet. You'll need 6 boards (each 10 ft long) to get 60 ft total. You'll have 60-56 = 4 ft of board left over. This is assuming that there isn't any other type of waste or mistakes made in cutting. 

Nice work on getting the correct steps and final answer.
8 0
3 years ago
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