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anonymous
 one year ago
Which two expressions are equivalent?
A. 4.3(14x+2.5)
B. 14(4.3x+2.5)
C. 20.6x+28+39.6x+7
D. 60.2x+2.5
Medal and fan for best answer. I am not good at figuring out equivalent expressions.
anonymous
 one year ago
Which two expressions are equivalent? A. 4.3(14x+2.5) B. 14(4.3x+2.5) C. 20.6x+28+39.6x+7 D. 60.2x+2.5 Medal and fan for best answer. I am not good at figuring out equivalent expressions.

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mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3You need to use the distributive property in each choice A and B. Combine like terms in choice C. Then compare all results including choice D.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3Recall the distributive property: a(b + c) = ab + ac Example: 5(2x + 4) = 5 * 2x + 5 * 4 = 10x + 20

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3Can you do the distributive property on choice A? What do you get? A. 4.3(14x+2.5)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ok so I have 4.3*2.5, but i'm having trouble multiplying 4.3 *14x. I can't seem to figure out how to multiply with the variable number multiplication thingy.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@sweetburger @Elsa213 @YanaSidlinskiy @misssunshinexxoxo

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Anyone? I would like help plz. My schoolwork is taken me all day and I wanna b done with it.

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.0to multiply 4.3 *14x, you drop the x for now and just evaluate 4.3 *14 you then tack on x to the answer

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.0example: 2*8x = 16x because 2*8 = 16

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3Just use a calculator for the multiplications with decimals.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3A. 4.3(14x+2.5) = 4.3 * 14x + 4.3 * 2.5 Use a calculator for 4.3 * 14 and for 4.3 * 2.5

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3A. 4.3(14x+2.5) = 4.3 * 14x + 4.3 * 2.5 = 60.2x + 10.75

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3You can tell already that A and D are not the same.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3Now let's try B. We need to distribute again. B. 14(4.3x+2.5) = 14 * 4.3x + 14 * 2.5 Can you finish the expression above by doing the two multiplications?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 95.2 by adding the sums of the two multiplications.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3No. You can add the two quantities. One has x and one has no x. The are not like quantities, so you can add them. B. 14(4.3x+2.5) = 14 * 4.3x + 14 * 2.5 = 60.2x + 35

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3So far we have: A. 60.2x + 10.75 B. 60.2x + 35 C. D. 60.2x + 2.5 None of them are equivalent. We must find what C is equal to.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3C. 20.6x+28+39.6x+7 You can only combine like terms. Terms with x are like terms. You can combine them together. Terms with no x are like terms. You can combine them together. You cannot combine together terms with x and terms without x.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3Examples: 2x + 5x = 7x 2 + 5x = 2 + 5x 5 + 2x + 3 + 4x = 5 + 3 + 2x + 4x = 8 + 6x

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3Do you understand the idea of like and unlike terms now?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3Let's try C. now. First we move the like terms together. Then we combine like terms. C. 20.6x+28+39.6x+7 = 20.6x + 39.6x + 28 + 7 Ok so far? All I did was rearrange the terms.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3Now we combine the like terms with x: 20.6x + 39.6x = 60.2x and we combine the like terms without x: 28 + 7 = 35 We get: C. 20.6x+28+39.6x+7 = 20.6x + 39.6x + 28 + 7 = 60.2x + 35

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.3Now we can write what all the choices are equal to: A. 60.2x + 10.75 B. 60.2x + 35 C. 60.2x + 35 D. 60.2x + 2.5 Now it's obvious which 2 expressions are equivalent.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ty for your help and sry I went in and out of the conversation. There is a weird glitch that wont let me type after I send a reply. Thank you!
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