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Darina [25.2K]
3 years ago
15

Plz I need by tonight

Mathematics
1 answer:
bogdanovich [222]3 years ago
4 0

Answer: Yes


Step-by-step explanation: 4x5 is 20 + 2 is 22 then when you multiply that by 9 you get 198

36x5 is 180 + 18 is 198

Both answers equal each other


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azamat
12.5 is greater than 1.25
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If √5 - x = 4,then x=<br>i need help on here how to solve it
Westkost [7]
Professor Dan Healy, one of my Engineering instructors back in prehistoric times,  had a favorite way of showing us how to do this kind of problem ... I mean the kind that's incredibly easy, but your own fear gets in the way and convinces you that you can't handle it.  Here is Prof. Healy's method.

For a few moments, call the square root of 5 by the name "cow".

cow - x = 4 .    Solve this equation for 'x' :

Add 'x' to each side of the equation:  cow = 4 + x

Subtract 4 from each side:                cow - 4 = x

Now, we can put the real value back in place of 'cow' :  <u>√5 - 4 = x</u>

That right there is a perfect solution.  But If you absolutely need to
know the number, then grab your calculator:

√5 = 2.2361 (rounded)

x = √5 - 4 = 2.2361 - 4 = <u>-1.7639</u> (rounded)
 
3 0
3 years ago
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Factor completely 25x2 − 144
Sergio039 [100]
<span>25x^2 − 144

(5x - 12) (5x + 12)
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Thanks for your help! :)
Tanya [424]

Answer:

65 = 6x + 7

6x = 58

x = 9.6666666...

65 + y + 9 = 180

y = 106


Step-by-step explanation:


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Which property was used to simplify the expression?
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What’s the expression???
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