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Butoxors [25]
1 year ago
13

Which expression is equivalent to 3a2 + 6a + 5a2?

Mathematics
1 answer:
Vaselesa [24]1 year ago
4 0
\begin{gathered} 3a^2+6a+5a^2 \\ \text{collect like terms} \\ 3a^2+5a^2+6a \\ 8a^2+6a \end{gathered}

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Josh estimates the height of his desk. what is the reasonable estimate?
Galina-37 [17]
<span>The complete question includes these choices: A)1 foot B)2 feet C)5 feet D)9 feet The correct answer is B) 2 feet, approx. 24 inches; most standard desks have a height between 28'' to 30''. The answer A is too low, C and D are too much, the perfect answer would be at least 3-4 feet, but as this question proposes only these answers, the nearest estimating value is B)2 feet. </span>
8 0
3 years ago
What is 3(exponent 2) multiplied by 3(exponent 3) ????
rusak2 [61]

                                                   \huge\boxed{243}

___________________________________________________________

                                             \boxed{Explanation}

So, we have the following equation...

3^2*3^3=(?)

Remember 3^2 and 3^3 is the following...

3^2=3*3\\3^3=3*3*3

Therefore, 3*3=9\\3*3*3=27\\9*27=243

So, your final answer is \boxed{243}.

___________________________________________________________

<em>Glad to help!</em>

\huge\boxed{Thanks,\;Plip.}

3 0
3 years ago
Read 2 more answers
Mary wrote a book of 1536 pages. She numbered all pages by hand. How many times did she write the digit 6?
abruzzese [7]

<em>Hi there!</em>

<em>~</em>

<em>If my logic doesn't fail me here, we have a total of 290 + 145 + 4 = 439 total 6s.</em>

<em>Hope this helped you!</em>

5 0
3 years ago
there are 3 black marbles in and 4 red marbles in a bag. what is the probability that you will pick two black marbles put of the
professor190 [17]

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3 years ago
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zubka84 [21]

Answer:

the answer would be 32.

Step-by-step explanation:

add 11 to 85, then divide the number you get (96) by 3.

7 0
3 years ago
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