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atroni [7]
3 years ago
9

Need help with practice test question

Mathematics
1 answer:
Roman55 [17]3 years ago
3 0

Answer24

Step-by-step explanation: Expain what do you think do your best

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Can someone please check my answers . It's adding and subtracting fractions. Thanks.
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They are good except 10
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How many nickels and dimes are in $2.40 if there are two times more nickels than dimes?
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The best answer is C.
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Solve the following system y= x+ 3 3x +y = 19
Ratling [72]
3x+y=19

y=19-3x and y=x+3, at a solution both x and y are equal so we can say y=y:

19-3x=x+3

19-4x=3

-4x=-16

x=4, and since y=x+3

y=7  so the solution is the point:

(4,7)
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4 years ago
Aiden earned $50 in interest in six
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9514 1404 393

Answer:

  $2000

Step-by-step explanation:

The amount of interest is given by the formula ...

  I = Prt

where P is the principal invested, r is the annual rate, and t is the number of years. Here, we want to find P when I = 50, r = 0.05, and t = 1/2.

  50 = P(0.05)(1/2)

  P = 50/(0.05·1/2) = 2000

Alden started with $2000 in his account.

7 0
3 years ago
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What’s the next 3 numbers 0 10 1011 1031 102113 10311213
likoan [24]

The next three numbers here would be 0, 10, 1011, 1031, 102113, 10311213, 10411223, 1031221314, 1041222314.

<h3>What is a number sequence</h3>

The term number sequence is used to refer to the list of numbers that have the relationship of having a linked rule. The number that follows in the sequence has to be worked out from the previous numbers in that particular sequence. You have to follow the particular rule to be able to work out the number that has to follow in the sequence.

For example we have these numbers 1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34 etc. We would have to understand the pattern of numbers that are in the sequence. We can see that there is a difference of 3 between the number that succeeds the previous one in the sequence.

<h3>How to get the next values in the sequence</h3>

The first value here is given to be 0

Next we have the 1 0 = 10

The next that we have is 1 0 and 1 1 written as 1011

Next is 1 zero and three one = 1031

We continue to follow the pattern till we arrive at 1041222314. This is where the sequence would then have to stop.

Hence we have to conclude that the next numbers are 10411223, 1031221314, 1041222314.

Read more on sequence of numbers here:

brainly.com/question/6561461

#SPJ1

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