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viva [34]
3 years ago
6

Which phrase represents the algebraic expression for r + 12?

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
7 0
The answer to your question is D
Softa [21]3 years ago
6 0

Answer: D) The sum of a number and twelve

==================================================

Explanation:

r = an unknown number

r+12 = sum of the unknown number and 12

The term "sum" refers specifically to the result of an addition problem.

As another example, saying 2+3 = 5 has a sum of 5.

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Factorize 5n-mp-5n+pn
Mamont248 [21]

We are firstly gonna start with simplifying the expression.

1) So we have a 5n and a - 5n and if we add it together, we get nothing. So it is now -mp + pn or pn - mp

2) Now there is a p in the expression so we can multiply n and -m  by p. Now have p(n-m)

So the answer is p(n-m)

⭐ Answered by Foxzy0⭐

⭐ Brainliest would be appreciated, I'm trying to reach genius! ⭐

⭐ If you have questions, leave a comment, I'm happy to help! ⭐

7 0
3 years ago
Read 2 more answers
Mia can clean her room in 1/4 the time it takes her older brother to clean his. Mia does the job in a half hour. How long does i
3241004551 [841]

Answer:

7.5 Minutes

Step-by-step explanation:

hope this helps

3 0
3 years ago
Which simplifications of the powers of i are correct? There may be more than one correct answer.
fredd [130]

\bf i^2=-1\qquad\qquad i^3=-i\qquad \qquad i^4=1 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ i^{22}\implies i^{(4\cdot 5)+2}\implies i^{4\cdot 5}i^2\implies (i^4)^5 i^2\implies 1^5(-1)\implies -1~\dotfill \bigotimes \\\\\\ i^{11}\implies i^{(2\cdot 5)+1}\implies (i^2)^5 i\implies (-1)^5(i)\implies -i~\dotfill \checkmark

\bf i^{21}\implies i^{(4\cdot 5)+1}\implies (i^4)^5 i\implies 1^5(i)\implies i~\dotfill \checkmark \\\\\\ i^{12}\implies i^{3\cdot 4}\implies i^3 i^4\implies (-i)(1)\implies -i\dotfill \bigotimes \\\\\\ i^{20}\implies i^{4\cdot 5}\implies (i^4)^5\implies 1~\dotfill \checkmark \\\\\\ i^{26}\implies i^{(4\cdot 6)+2}\implies (i^4)^6 i^2\implies 1^6(-1)\implies -1\dotfill \checkmark \\\\\\ i^{27}\implies i^{(4\cdot 6)+3}\implies (i^4)^6 i^3 \implies 1^6(-i)\implies -i\dotfill \bigotimes

6 0
3 years ago
a rectangular corn hole area at the recreation center has a width of 5 feet and a length of 10 feet. if a uniform amount is adde
harkovskaia [24]
Let
x-------------> amount added <span>to each side
</span>A-------------> area increased----------> 84 ft²

we know that
A=(10+x)*(5+x)=84-----------> 10*5+10*x+5*x+x²
50+15x+x²=84----------> x²+15x-34=0
<span>solving the second order equation
</span>x1=-17
x2=2

 the answer is x=2 ft
3 0
3 years ago
Read 2 more answers
Pls help me I really need it.
Alex Ar [27]

Answer: its the first one i think

Step-by-step explanation

8 0
3 years ago
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