Determine whether the sequence is arithmetic or geometric.

Sequence 1: –10, 20, – 40, 80, ...
Sequence 2: 15, – 5, – 25, – 45, ...
Which of the following statements are true regarding Sequence 1 and Sequence 2.


A. Sequence 2 is arithmetic and Sequence 1 is geometric.

B. Sequence 1 is arithmetic and Sequence 2 is geometric.

C. Both sequences are geometric.

D. Both sequences are arithmetic.

Answers

Answer 1

Answer:

A. Sequence 2 is arithmetic and Sequence 1 is geometric

Step-by-step explanation:

Hello,

Answer A

-10,20,-40,80,.... is geometric= Sequence 1

15,-5,-25,-45.... is arithmetic= Sequence 2


Related Questions

A new cars salesperson, sold an average of $23,797 per day for the first 4 days she worked. The next 4 days she worked, she sold an average of $58,495. How much did she sell on average per day over the entire time she worked?? ​

Answers

She average 14623.75

A farmer builds a fence for his chickens in the shape
of a pentagon, as shown. Each of the 5 sides has equal
length, but the fence along the highway costs twice as
much as any one of the other 4 sides. If the total cost
of fencing was $1800, how much did the highway
fence cost?

Answers

Answer:

The highway fence cost $600.

Step-by-step explanation:

Since the highway fence is twice as cost as the one of the other 4 sides, this means that the highway fence = 2 normal fence.

Therefore, we use

$1800 / highway fence(2 normal fence) + 4 normal fence

$1800 / (2 + 4) = $300

This means that every normal fence cost $300.

Which then we get the highway fence is $600 because it costs double of the normal fence.

Which answer gives statements that should be used to prove angles 2 and 7 are supplementary angles?

Answers

Answer:

Angles 2 and 6 are congruent as corresponding angles

Angles 6 and 7 form a linear pair.

Angles 2 and 6 are congruent as corresponding angles; angles 6 and 7 form a linear pair thus 2 and 7 will be supplementary angles so option (B) will be correct.

What is an angle?

An angle is a geometry in plane geometry that is created by 2 rays or lines that have an identical terminus.

The identical endpoint of the two rays—known as the vertex—is referenced as an angle's sides.

In the given figure lines m and n is parallel.

So,

Angle 2 = Angle 6 (Congruent)

Now,

Angle 6 and 7 are on a straight line so they will be linear pairs.

∠2 + ∠3 = 180

∠6 + ∠7 = 180

So,

(∠2 + ∠3) + (∠6 + ∠7) = 360

(∠2 + ∠7) + (∠3 + ∠6) = 180 + 180

Each corresponding pair will be the same because of congruent.

So,

(∠2 + ∠7)  = 180

Hence "Angles 2 and 6 are congruent as corresponding angles; angles 6 and 7 form a linear pair thus 2 and 7 will be supplementary angles".

For more about the angle,

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HELP and no links. Ty

Answers

Answer:

B

Step-by-step explanation:

An absolute value cannot be negative

Answer:

option B

I hope it helps , pls mark as the branliest

If you rolled a die, what is the probability that you would roll an odd number

Answers

Answer:

P = 3/6.

Step-by-step explanation:

there are three odd numbers and three even numbers on a 6-sided die. the probability of rolling an odd number is 50%, which can be converted to 1/2, or 3/6. hope this helps

- Zombie

Answer:

3/6

Step-by-step explanation:

Look at image for question and answers

Answers

Answer:

d

Step-by-step explanation:

i did this last year

What is the equation of the axis of symmetry?

Answers

Answer:

x = 0

Step-by-step explanation:

you could hold a mirror perpendicular to the page with an edge aligning on the y axis and the reflected curve would imitate the actual curve.

1) Convert the following to decimals:
a) 25% b) 60% c) 72.1%
d) 7%
e) 9.5%
f).66%

Answers

A. 0.25
B. 0.6
C. 0.721
D. 0.07
E. 0.095
F. .0066

When you convert percentages into decimals always move the . two spaces to the left.

Solve 6 < r +5 < 11.​

Answers

Answer:

1 < r < 6

Step-by-step explanation:

6 < r + 5 < 11

~Subtract 5 to everything

1 < r < 6

Best of Luck!

why is the square root of (-5)^2 25 but the square root of -5^2 is -25? ‍

Answers

Step-by-step explanation:

So, we call 5 the “square root” of 25 and write √25=5 because 52=25 . ... Since (−5)2 also equals 25 it is also a “square root” of 25 , but we write −√25=−5 because it is not the principal square root. Not all whole numbers have a whole number square root. For instance √2=1.414213562…

In a class of twenty-seven students, twelve are boys. What part of the
class consists of boys?

Answers

12/27 boys are in the class

Express 25% of 500
ahhh can't solve it​

Answers

Answer:

125

Step-by-step explanation:

25/100×500

25×5

125

Hope this helps you

Can u please answer ​

Answers

Answer:

2) -1

3) 1

is the answerrrrrrrrrr

2. (-1)^10+(-1)^101+(-1)^51 = -1
3. Equals is 4/25 but as a decimal it is 0.16

Arpi has a glass that holds 10.75 fulid ounces. She drinks 4.5 glasses of water in one day. To the nearest hundredth of a fluid ounce, how much water does arpi drink?​

Answers

Based on the information given, Arpi drinks 48.38 ounces of water.

Since the glass that holds 10.75 fluid ounces and Arpi drinks 4.5 glasses of water in one day, then the amount of water that Arpi drinks will be calculated thus:

= 10.75 ounces × 4.5 glasses

= 48.375 ounces

= 48.38 ounce to the nearest hundredths

In conclusion, Arpi drinks 48.38 ounces of water.

Read relates link on:

https://brainly.com/question/24465646

Which of the following shows the polynomial below written in descending
order?
5x3 + 9x8 + 16 + 4x + x
का
O A. 4x° + 9x8 + 5x3 + x + 16
OB. 5x3 + x + 16 + 4x + 9x8
O c. 5x3 + 9x8 + 4x2 + 16 + x
O D. 9x8 + 5x2 + 4x + 16 + x

Answers

Answer:

A should be the right answer if the power of 4x is larger than 8

Step-by-step explanation:

descending order : arranged in a series that begins with the greatest or largest and ends with the least or smallest 

Which of the following is an example of a false positive?


Test results indicate that a patient has cancer when, in fact, he does not.


Test results confirm that a patient has cancer.


Test results confirm that a patient does not have cancer.


Test results indicate that a patient does not have cancer when, in fact, he does.

2. Phil is randomly drawing cards from a deck of 52. He first draws a Queen, places it back in the deck, shuffles the deck, and then draws another card.

What is the probability of drawing a Queen, placing it back in the deck, and drawing any face card? Answer choices are in the form of a percentage, rounded to the nearest whole number.


25%


31%


7%


2%

3.There is a 30% chance of rain tomorrow.

What are the odds in favor of it raining?


10:3


7:3


3:10


3:7

Answers

Answer:

For Question 1 it's the first option

For Question 2 it is 7 percent

for the third question it is 3:10

1. Test results indicate that a patient has cancer when, in fact, he does not is False statement.

2. The probability of drawing a Queen, placing it back in the deck, and drawing any face card is 2%.

3. The odds in favor of it raining are 3:7.

1. The example of a false positive is:

Test results indicate that a patient has cancer when, in fact, he does not.

2. To find the probability of drawing a Queen, placing it back in the deck, and drawing any face card, we multiply the probabilities together.

There are 4 Queens in a deck of 52 cards.

So the probability of drawing a Queen is 4/52 = 1/13.

There are 12 face cards (4 Kings, 4 Queens, and 4 Jacks) in a deck of 52 cards.

So, the probability of drawing a face card is 12/52 or 3/13.

Now, the probability of both events happening, multiply the probabilities:

= (1/13) * (3/13)

= 3/169.

= 0.01775

Now, Converting 3/169 to a percentage and rounding to the nearest whole number,  2%.

Therefore, the probability of drawing a Queen, placing it back in the deck, and drawing any face card is 2%.

3. Given that there is a 30% chance of rain.

So, the probability of rain is 30/100 or 3/10.

The probability of no rain is the complement of the probability of rain, which = 1 - 3/10

          = 7/10.

Therefore, the odds in favor of it raining are 3:7.

Learn more about Probability here:

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1. In the given figure O is the centre and PQ is the diameter of the circle. if the chord PR is produced to S and QR is joined the what will be the value of the angle QRS?​

Answers

Answer:

90°

Step-by-step explanation:

since PQ is the diameter of the circle, m L PRQ = ½ × 180° = 90°.

so, as a supplementary to L PRQ, the value of angle QRS = 180 - m L PRQ = 180-90 =90°

ANSWER IT PLZZZZZZZZZZZZZ

Answers

Answer:

the answer is 2 :)

have a good day !!

Step-by-step explanation:

It’s 1
16/4(2)
16/8
=2

20x+8-5x=14+8x+15

Solve for x

Answers

Answer:

7x = 21

x = 3

Step-by-step explanation:

mark me as brainliest ❤️

Answer:

x

Step-by-step explanation:

What’s the answer please, and that’s a division sign in the middle of the parentheses. It’s supposed to be a long division problem

Answers

9514 1404 393

Answer:

  n^3 -9n^2 +9n +7

Step-by-step explanation:

The attached shows the long division tableau. The "Hints" column shows how the quotient terms are developed, and how the expression is found that is subtracted from the dividend.

The overall form of this work matches that of numerical long division. The difference is that there are no carries from one power of n to another the way there is in numerical long division from one power of 10 to another. I find polynomial long division to be simpler.

30
Objects on Jupiter weigh 2.3
times their weight on Earth. If
Joey weighs 95 pounds
on
Earth, how much would he
weigh on Jupiter?
51
c
PLEAS EHELP

Answers

Answer:

He would weigh 218.5 pounds on Jupiter

Step-by-step explanation:

If objects weigh 2.3 times as much on Jupiter then you multiply Joey's weight by 2.3.

Answer: 218.5 pounds

Step-by-step explanation: If objects on Jupiter weigh 2.3 times their weight on Earth and if Joey weighs 95 pounds on Earth, he would weigh 2.3 times of his weight on Earth on Jupiter. 2.3 times 95 pounds would be 218.5 pounds. Joey would weigh 218.5 pounds on Jupiter.

Sophia used the Order of Operations to simplify 4(5 - 2) to 4x3.
Jose used the Distributive Property to simplify 4(5 - 2) to 20 - 8.
Are they both correct? Explain.

Answers

Answer:

Yes

Step-by-step explanation:

Order of operations, use the operation within the parenthesis:

1) 5 - 2 = 32) 4*3 = 12

Distributive property, a(b + c) = ab + ac:

1) 4*5 - 4*2 = 20 - 82) 20 - 8 = 12

Both ways are correct and lead to same result

What property of addition would 3,500+0=3,500 be

Answers

Answer:

identity

Step-by-step explanation:

brainliest plz

xpressions
What is the value of this expression?
6 · [(32 – 8) = 4+2
Enter your answer in the box.

Answers

you do parentheses first so 32-8=24
4+2=6



answer 24=6

Graham's car gets 25 miles per gallon in the city and 30 miles per gallon on the highway. Graham drives in the city and on the highway for 200 miles. He uses 7 gallons of gasoline. How many miles did he drive in the city?

А 25
B 50
С 75
D 100​

Answers

Answer:

B

Step-by-step explanation:

Let c represent the amount of gallons used in the city and h represent the amount of gallons used on the highway.

Graham drove a total of 200 miles. Since his car gets 25 miles per gallons in the city and 30 miles per gallon on the highway:

[tex]\displaystyle 25c + 30 h = 200[/tex]

And he used a total of seven gallons. In other words:

[tex]c + h = 7[/tex]

This yields a system of equations:

[tex]\displaystyle \left\{ \begin{array}{l} 25c + 30h = 200 \\ c + h = 7\end{array}[/tex]

Since we want to determine the number of miles Graham drove in the city, we will solve for c using substitution. From the second equation, solve for h:

[tex]\displaystyle h = 7 - c[/tex]

Substitute:

[tex]\displaystyle 25 c + 30 ( 7 - c) = 200[/tex]

Solve for c:

[tex]\displaystyle \begin{aligned} 25c + (210 - 30c) &= 200 \\ -5c &= -10 \\ c &= 2\end{aligned}[/tex]

Therefore, Graham used a total of two gallons in the city.

Since his car gets 25 miles per gallon in the city, Graham drove a total of:

[tex]\displaystyle \frac{25 \text{ mi}}{\text{gal}} \cdot 2\text{ gal} = 50\text{ miles}[/tex]

Or 50 miles in the city.

In conclusion, our answer is B.

Step-by-step explanation:

Let

Gallon in city = x

Gallon in highway = y

25x + 30y = 200 (i)

x + y = 7 (ii)

Multiplying ii by 30

30(x + y) = 30(7)

30x + 30y = 210 (iii)

On subtracting

30x + 30y - 25x - 30y = 210 - 200

5x = 10

x = 10/5

x = 2

Distance covered = 50

There are 48 players and 6 coaches on Brian's football team. What is the ratio of players to coaches?

Answers

Answer:

players to coach ratio.

What is a ratio, a ratio is diplayed like this 2:3

If you were to put the ration of ->    players:coach

The ratio would be 48:6

yes, you can simplify a ration,

48/6 = 8

6/6 = 1

ration is 8:1

Answer:

8:1

Step-by-step explanation:

48:6 = 8:1

Multiply and show all steps please!!

Answers

the answer is 80 take the positive and negative and use the sign change rule

Answer:

50

Step-by-step explanation:

First, find the square roots.

[tex]\sqrt{-16} =4i[/tex]

[tex]\sqrt{-64} =8i[/tex]

Remember: i stands for [tex]\sqrt{-1}[/tex]

Then use the FOIL method to multiply.

(3+4i)(6-8i)

18-24i+24i-32i²

i²= -1, so :

18+32

50

I have no idea what the other person did, but its wrong.

Find the area of this figure. Round your answer to the nearest hundredth. use 3.14 to approximate.

Answers

3 is your answer hope this helped

Answer:

Good morning the answer would be 51.63m^2

Step-by-step explanation:

Fill in the box 51.63

You welcome

Please I need help asap

Answers

Answer:

a

Step-by-step explanation:

when you times 5 by 2 you get 10 and 10 minus 6=4

A rate is a ratio? ( sometimes, always or never true?)

Answers

Answer:

The answer is never true

Step-by-step explanation:

Can you please give me brainliest

the answer is never true :)
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