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klio [65]
2 years ago
9

Tell if each is an arithmetic sequence. If it is, give the common difference.

Mathematics
1 answer:
taurus [48]2 years ago
5 0

Answers:

5.) Yes it is, you add each one to itself to get the next number

6.) Yes, you subtract 5 from each number

7.) yes, you add 1.50 to each number

8.) Yes, you add 50 to each number

9.) No, they do not follow a pattern

10) Yes, you divide by 5 every time.

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ycow [4]

Answer:

35 = 5x ; x = 7

Step-by-step explanation:

plug 7 in for x

35 = 5(7)

35 = 35

hope this helps!!!

6 0
3 years ago
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Susan enlarged to scale a rectangle with a height of 4 cm and length of 11cm on her computer. The length of the new rectangle is
ladessa [460]
The answer is 6. To answer this you would need to do 16.5/11 to get 1.5 (that's how much the rectangle got enlarged). Then you would do 4 times 1.5 to get your new height size, which is 6.
4 0
3 years ago
A bag contains 6 red marbles, 5 blue marbles and 8 green marbles. If three marbles are drawn out of the bag, what is the probabi
SVETLANKA909090 [29]

Answer: 5.8%

Step-by-step explanation:

In this situation there is no replacement so we have to mulitply the probablilty of the first,second, and third marble being green. First marble has a 8/19 probablilty of being selected because 19 total marbles in the bag and 8 green marbles. the next marble will have a 7/18 probabililty because now only 18 marble are in the bag and we are assuming we selected a green marble on our first draw. Same thing with the last green marble it would be 6/17 because there would be 17 marbles in the bag and 6 green ones left assuming we got the first 2

so 8/19*7/18*6/17=

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3 0
3 years ago
You put $500 in an account. The
Maksim231197 [3]

Answer:

2.2% per year

Step-by-step explanation:

<u>Problem:</u>

You deposit $500 into a bank account and received $55 simple interest after 5 years. What had been the interest rate?

<u>Result:</u>

The interest rate was 2.2% per year.

Explanation:

Find interest rate by using the formula I = P*i*t , where I is interest, P is total principal, i is rate of interest per year, and t is total time in years.  In this example I = $55, P = $500 and t = 5 years, so

i = 55/500*5

i=0.022 = 2.2% per year

Hope it helps XD

6 0
3 years ago
Find the product of two monomials: 4ab X - 5ab
artcher [175]
-20a^2b^2

-20a to the second power and b to the second power in case you did not know what the ^ Meant
6 0
3 years ago
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