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WINSTONCH [101]
3 years ago
10

Creat an expression without parentheses that is equivalent to 4(6x+x)

Mathematics
2 answers:
Dimas [21]3 years ago
5 0
You could distribute this expression to get and even MORE simplified expression. Add the two terms in the parentheses together so that you get 4(7x). Now you can simply multiply 4 by 7x which would equal 28x. The new expression is 28x.
Harman [31]3 years ago
3 0

Try to simplify the equation: 4(6x+x). You should distribute first. 24x + 4x. That would equal 28x. If you simplified the equation, you should also get 4(7x). That also equals 28x. 28x is the answer so use 24x + 4x.

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3 0
3 years ago
Tobeg says the equation 3x + 2y= 270 and y=4/5x + 20 intersect at the point (50,60) is this true how do you know
il63 [147K]

ANSWER

Yes it is very true


<u>EXPLANATION</u>

If the two equations intersect at (50,60) then this point must satisfy the two equations.


3x+2y=270---(1)

We substitute  (50,60)  in to erquation (1)


3(50)+2(60)=270


150+120=270

270=270




y=\frac{4}{5}x+20 ---(2)


We now substitute  (50,60)  in to erquation (2) also


60=\frac{4}{5}(50)+20


60=40+20


60=60


Since the point satisfy all the two equations, it is true that they intersect at (60,50)




3 0
3 years ago
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Answer: 3 hours

Step-by-step explanation:

From the question, we are informed that WHUR Radio uses 1/5 of its of its 10 hours of daytime broadcast for commercial and 1/2 for music.

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Hours left for news will be:

= 10 hours - 2 hours - 5 hours

= 3 hours

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