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sweet-ann [11.9K]
3 years ago
13

1. Combine the expressions(a) 7x+3+6x +11​

Mathematics
1 answer:
navik [9.2K]3 years ago
6 0
13x+14. Combine like terms (7x+6x=13x) (3+11=14)
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Each day a runner trains for a 10km race. On the fisrt day she runs 1000m, and then increases the distance by 250m on each subse
anyanavicka [17]
I think the answer is b
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By selling a stool for rupees 67.50,a carpenter loses 10%.how much percent would he gain or lose by selling it for rupees 82.50.
valentina_108 [34]
Let the actual value of the stool be x.

So if the carpenter sells the stool x rupees he neither loses, now wins anything.

67.50 is the value x - 10% of x, that is:

67.50=x-0.1x
67.50=0.9x

x=67.50/0.9=75      (rupees) is the actual value of the stool.


Selling the stool for 82.50 rupees, the carpenter clearly would make a profit, say of y% of that actual value, that is y%*75.

So using the same method:

82.50=75+y%*75

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we can make the calculations, but clearly 7.5 is 10% of 75


Answer: 10% gain.


8 0
3 years ago
A table of values for two variables shows a non linear relationship of the first differences are
Neko [114]

Answer:

A zero-order table is simply a table showing variables

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8 0
2 years ago
What is the value of Y? Choose the CORRECT answer from the picture ABOVE.
Harlamova29_29 [7]
B y=14 because if you subtract that will give you the answer
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3 years ago
If Lana deposits $500 into a savings account that gains simple interest at
Oksana_A [137]

Answer:

10 years

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The time required to

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at an interest rate of 2% per year

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3 years ago
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