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bekas [8.4K]
3 years ago
5

Add or subtract the following numbers. Even if you use a calculator to get the answer, rewrite the problem with the decimal poin

ts aligned. 142.3 + 0.07 =
Mathematics
2 answers:
Natali5045456 [20]3 years ago
6 0
142.23 would be your answer.

NikAS [45]3 years ago
4 0

Answer:

The addition is 142.3 + 0.07=142.37

Step-by-step explanation:

Given : Expression 142.3 + 0.07

To find : Add or subtract the following numbers. Even if you use a calculator to get the answer, rewrite the problem with the decimal points aligned ?

Solution :

Expression 142.3 + 0.07

According to decimal alignment, (in empty space fill with zero)

 142.30

+000.07

---------------

= 142.37

Therefore, The addition is 142.3 + 0.07=142.37

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A rich woman deposits a whole number of dollars x in her bank. The next time she deposits y dollars (still a whole number). Each
grin007 [14]

Answer:

x = 12

y = 22

Total amount = $2596

Step-by-step explanation:

First let's find the value of each deposit until the 10th in relation to x and y:

1st: x

2nd: y

3rd: x + y

4th: x + 2y

5th: 2x + 3y

6th: 3x + 5y

7th: 5x + 8y

8th: 8x + 13y

9th: 13x + 21y

10th: 21x + 34y

Now, we can write a system with two equations and two variables:

2x + 3y = 90

21x + 34y = 1000

From the first equation: x = (90 - 3y)/2

Using this value of x in the second equation, we have:

21*(90 - 3y)/2 + 34y = 1000

945 - 31.5y + 34y = 1000

2.5y = 55

y = 22

Now we can find x:

x = (90 - 3*22)/2 = 12

Now, summing all the deposits, we have a total of 55x + 88y, which is equal to 55*12 + 88*22 = $2596

5 0
3 years ago
A group of mathematical symbols that express a relationship or that are used to solve a problem
pogonyaev
A group of mathematical symbols that express a relationship or that are used to solve a problem is a FORMULA
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Need help asap, thanks!
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b option

Step-by-step explanation:

Refer to the attachment.

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A family pays for 50 MB of internet connectivity for downloads. When measuring their internet speed, a family member observed a
harkovskaia [24]

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its 70% of the speed they expected

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Answer:

5)i. 7/1

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Step-by-step explanation:

interger/1 = rational number (anyt that can be expressed as a fraction)

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2 years ago
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