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zmey [24]
3 years ago
7

Someone please help me??

Mathematics
2 answers:
densk [106]3 years ago
4 0

Answer: 3x+15y

Step-by-step explanation:

3 times x is 3x then multiple 3 times 5 add the y and that is 15 y

Mars2501 [29]3 years ago
3 0

Answer:

3x + 15y

Step-by-step explanation:

3 times x equals 3x

3 times 5y equals 15y

3x + 15y

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QveST [7]
The answer is 3. 1/6 because there are 6 sides in the cube. So the probability of getting a certain number is 1/6.
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3 years ago
The rectangular prism below has a length of 18 inches, a width of 24 inches, and a height of 12 inches.
andrew11 [14]

Answer:

1872

Step-by-step explanation:on edge

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3 years ago
Ricardo took the following steps to simplify the expression below but was surprised to hear that his answer was incorrect. Which
Xelga [282]

You have not given us any of the steps that Ricardo took to simplify the
expression, and you also haven't given us the list of choices that includes
the description of his mistake, so you're batting O for two so far. 
Other than those minor details, the question is intriguing, and it certainly
draws me in.

If Ricardo made a mistake in simplifying that expression, I'm going to say that
it was most likely in the process of removing the parentheses in the middle. 

Now you understand that this is all guess-work, because of all the stuff that you
left out when you copied the question, but I think he probably forgot that the  3x 
operates on everything inside the parentheses.

He probably wrote that  3x (x-3)  is

either    3x² - 3
     or       x - 9x .

In reality, when properly simplified,

       3x (x - 3)  =  3x² - 9x .


3 0
3 years ago
Factorize the following expressions
klio [65]

Step-by-step explanation:

1. a² - ( b ² - 2bc + c² ) = a ² - b ² + 2bc - c²

2. 8p² - 18 q²

3. 3ab² - c²d + 3ab - b²c²

4. x² - 2x + 1

8 0
3 years ago
Find each measure! Please please help me!!! 40 points!! No files!!!
ANTONII [103]

Answer:

44º

44º

136º

22º

Step-by-step explanation:

If you want i can explain in the comments.

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