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2 years ago

11

A number is divisible by 11 if the sum of the digits in the odd places and the sum of the digits in the even places are equal or

their difference is a multiple of 10
a. always true
b. always false
c. sometimes true
d. sometimes false

1 answer:

Lera25 [3.4K]2 years ago

3 0

Answer:

A...ang. answer. po. ay. (a)

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Madame Pickney has a rather extensive art collection and the overall value of her collection has been increasing each year. Thre

grigory [225]

Answer:

About $1,178,974

Step-by-step explanation:

Alright, the sequence we have right now is:

500,000 550,000 605,000

We want to find the common ratio, so let's divide 550,000 by 500,000 and see if we get the same value as 605,000 divided by 550,000:

550,000/500,000 = 1.1

605,000/550,000 = 1.1

Now, we know that r = 1.1. We also know the first term is: $a_1$ = 500,000.

We use the explicit rule of a geometric sequence:

$a_n=a_1*r^{n-1}$

Here, we want to find $a_{10}$ , which means that n = 10. We know r and $a_1$ , so we just plug in these values:

$a_{10}=500,000*(1.1)^{10-1}=500,000*(1.1)^{9}$ ≈ $1,178,973.85$ ≈ $1,178,974$

Thus, the answer is about $1,178,974.

Hope this helps!

6 0

3 years ago

Read 2 more answers

May runs around a 4 m track at a consistent speed of 250 m/min. how many minutes does it take me to complete for lapse of the tr

Nookie1986 [14]

Answer:

<u>It takes May 6 minutes and 24 seconds to run 4 laps and 1 minute and 36 seconds per lap</u>

Statement and question:

May runs around a 400-meter track at a constant speed of 250 meters per minute. How many minutes does it take May to complete 4 laps of the track?

Source:

Previous question that can be found at brainly

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Speed of May = 250 meters per minute

Length of the track = 400 meters

2. How many minutes does it take May to complete 4 laps of the track?

Let's answer the question calculating the total distance and the time it took Mary to run around the track, this way:

Total distance = 4 * 400 = 1,600 meters

Time it takes May to run 1,600 meters = 1,600/250

Time it takes May to run 1,600 meters = 6.4 minutes

<u>6.4 minutes = 6 minutes + 0.4 * 60 seconds = 6 minutes and 24 seconds</u>

<u>Time it takes May to run one lap = 6.4/4 = 1.6</u>

<u>1.6 minutes = 1 minute + 0.6 * 60 seconds = 1 minute and 36 seconds</u>

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3 years ago

What is the difference between a measure of the center and a measure of the spread?

Andreas93 [3]

Answer:

Center is the mean, an average of data. Spread is for range and standard deviation.

Step-by-step explanation:

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3 years ago

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Answer:

-7 = -3x + b

Step-by-step explanation:

i'm guessing because you have not provided a visual so i can not determine the B.

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Elliot has a collection of 20 toy cars. Will he be able to put an equal number of toy cars on 3 shelves

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