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bazaltina [42]
3 years ago
8

(7+x)+7x=? equivalent expressions simplifying each expression

Mathematics
2 answers:
kolezko [41]3 years ago
8 0
It will be 8x+7
Hope this helps

Firlakuza [10]3 years ago
3 0
(7 + x) + 7x = ?

First, remove the parenthesis.

7 + x + 7x = ?

Add like terms.
Note: x = 1x

7 + 1x + 7x = 7 + 8x

Your answer is 7 + 8x, or 8x + 7.
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Evaluate 5a+3b and (5+a)(3+b) for a=2 and b=4. How is the order of the steps different for the two expressions?
Lynna [10]
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The order of the steps differ for the two expressions because for the first expression, you multiply 5a and 3b first. Then, you add them together. However, for the second expression, you add what's inside the parenthesis first then multiply them. So, the order of the steps is the opposite of the other expression. 
7 0
2 years ago
Find x<br> options;<br> a) 21√2/2<br> b) 21√2<br> c) 21√3/2<br> d) 7
pishuonlain [190]

The value of x is  21√2/2

The correct option is (A)

<h3>What is Trigonometry?</h3>

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.

In triangle having angle 60.

sin 60 = P/ 7√3

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Now again

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x=  21√2/2

Learn more about trigonometry here:

brainly.com/question/26719838

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6 0
1 year ago
Which of the following is a rational number?
ioda
The rational number would be 16
8 0
3 years ago
26 cm/s= m/min i really need help
Bess [88]
26 cm/s = 15.6 m.min :))
i hope this be helpful 
have a nice day 
4 0
3 years ago
Read 2 more answers
2.548 rounded to the number 2.55 which place value did Marco round to
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