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vodomira [7]
3 years ago
15

The sum of three consecutive odd numbers is 51. What is the second number in this sequence?

Mathematics
2 answers:
saveliy_v [14]3 years ago
7 0
The answer is 19
because 15+17+19=51
hope this helps u out!
Margarita [4]3 years ago
4 0
Well I would say it is 25+25+1=51
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exis [7]

Answer:

Options A and D are correct choices.

Step-by-step explanation:

We have been given an inequality x\leq -7 and we are asked to find the correct options from our given choices.

Let us solve inequalities in our given options one by one to see which of these matches with our given inequality.

(A) 3x\leq -21  

x\leq \frac{-21}{3}

x\leq -7

We can see that option A gives the same answer as our given inequality, therefore, option A is the correct choice.

(B) 3x\geq -21

x\geq \frac{-21}{3}

x\geq -7

This inequality represented in option C gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option B is incorrect.

(C) -3x\leq 21

Dividing inequality by a negative number swaps inequality sign.

x\geq \frac{21}{-3}

x\geq -7

This inequality gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option C is incorrect.

(D) -3x\geq 21  

Dividing inequality by a negative number swaps inequality sign.

x\leq \frac{21}{-3}

x\leq -7

We can see that option D gives the same answer as our given inequality, therefore, option D is the correct choice.  

8 0
3 years ago
The Reel Good Cinema is conducting a mathematical study. In its theater, there are 200 seats. Adult tickets cost $12.50 and chil
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Answer:

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Step-by-step explanation:

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Huh?<br><br>6(2 + 4) - 1<br>_________<br>2 x 3 + 1​
a_sh-v [17]

Answer:

equaul

Step-by-step explanation:

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