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vivado [14]
3 years ago
14

If x = 2 and y = 4, then (2x + 3y) ÷ 4 - 2 = A) 10 B) 9 C) 8 D) 2

Mathematics
2 answers:
Alecsey [184]3 years ago
7 0

Answer:

\boxed{ \bold{  \huge{ \boxed{ \sf{2}}}}}

Option D is the correct option.

Step-by-step explanation:

Given, x = 2 and y = 4

\sf{(2x + 3y) \div 4 - 2}

plug the value of x and y

⇒\sf{ (2 \times 2 + 3 \times 4) \div 4 - 2}

Multiply the numbers which are inside the bracket

⇒\sf{(4 + 12) \div 4 - 2}

Add the numbers which are inside the bracket

⇒\sf{16 \div 4 - 2}

Divide 16 by 4

⇒\sf{4 - 2}

Subtract 2 from 4

⇒\sf{2}

Hope I helped!

Best regards! :D

kondaur [170]3 years ago
3 0

Answer:

2 (D)

Step-by-step explanation:

(2x+3y)÷4-2 you replace the variables with the matching numbers, and then multiply them by the number next to them.

(4+12)÷4-2 you add the numbers together

16÷4-2 you divide 16 by 4

4-2 you subtract to

2 this is your answer

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The best and most correct answer among the choices provided by your question is the third choice or letter C "<span>Multiplication Property of Equality"</span>

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Eugenia walked all the way to school at 3 mph then realized she forgot her math book (how could she?!), so she ran back at 7 mph
kondor19780726 [428]

Let us say distance between Eugenia's home and school is x miles.

Speed of Eugenia when she walked from home to school = 3 mph

Speed of Eugenia when she walked from school to home = 7 mph

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We know that the speed distance formula is given by:

speed=\frac{distance}{time}

time=\frac{distance}{speed}

Time taken by Eugenia when she walked from home to school = x/3 hours

Time taken by Eugenia when she walked from school to home = x/7 hours

Total time taken = x/3+x/7

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Dividing both sides by 10 , we have

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Answer: So we can say that the distance between Eugenia's house and school is 1.575 miles.




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