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3 years ago

Is the sequence Arithmetic or Geometric? -2, 4.-8, 16, ...

Mathematics

1 answer:

Sonbull [250]3 years ago

6 0

Answer:

This is an geometric sequence because the common ratio is -2.

Step-by-step explanation:

-2*-2=4

4*-2=-8

-8*-2=16

So, as we are seeing that the common ratio is -2, so this is an geometric sequence.

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What is 5.138 + 2.624 = ? (show ur work)

Mrac [35]

Answer:

7.762

Step-by-step explanation:

Brainliest!

3 0

2 years ago

Calculate the (modeled) probability P(E) using the given information, assuming that all outcomes are equally likely.

Luba_88 [7]

The probability P(E) is 13/15.

According to the statement

we have given that the S = {1, 3, 5, 7, 9}, E = {1, 5, 7}

And we have to find the probability P(E).

So, For this purpose

Recall the formula for the probability of an event E in case when all outcomes are equally likely:

P(E)= n(E) /n(S)

in which S is the sample space.

But we have the S = {1, 3, 5, 7, 9},

so, n(S) = Sum of all outcomes / number of outcomes

n(S) = 1+3+5+7+9 /5

n(S) = 25 /5

n(S) = 5 and

For n(E) = Sum of all outcomes / number of outcomes

n(E) = 1+5+7 /3

n(E) = 13 /3

Substitute these values in the above written formula then

P(E)= n(E) /n(S)

P(E)= (13/3)/ 5

P(E)= 13 /15

So, The probability P(E) is 13/15.

Learn more about the PROBABILITY here brainly.com/question/25870256

#SPJ4

5 0

2 years ago

Someone help ASAP<br> serious answers only or i will report

nadezda [96]

T represents hours, so if c(1.5)=c(t) as it mentioned in the problem, then 1.5 equals hours, and c represents cost, so if cost + time equals nine then I think it's a

3 0

4 years ago

In Alessandro’s class, 5 students live in Oakdale. There are 20 students in Alessandro’s class. What percent of the students liv

neonofarm [45]

5/20 students in Alessandro's class live in Oakdale, which can be simplified to 1/4. 1/4 in decimal form is 0.25. Now to convert it to a percentage, you just multiply that by 100. So 25% of students in Alessandro's class live in Oakdale.

6 0

3 years ago

Read 2 more answers

The gift shop at manatee mall was having a clearance sale. Everything was marked down 30%. The original price of a manatee hat w

sergeinik [125]

Answer

Find out the what is the clearance price of a manatee.

To prove

As given

The gift shop at manatee mall was having a clearance sale.

Everything was marked down 30%.

The original price of a manatee hat was $12.

30 % is written in the decimal form.

$= \frac{30}{100}$

= 0.30

30% of the original price of a manatee = 0.30 × 12

= $ 3.6

Clearance price = original price - 30% of the original price

= 12 - 3.6

= $ 8.4

Therefore the clearance price be $8.4 .

3 0

3 years ago