Mathematics: Are 2z2 and 4z like terms? Why or why not? A: Yes, they both have exponents. B: Yes, they both have a Z. C: No, one has an exponent and the other does not.

Are 2z2 and 4z like terms? Why or why not? A: Yes,

witerose2974

17.03.2022

Step-by-step explanation:

C, because you can only combine terms with the same exponent.

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kimlyn58p0wyn0

15.01.2020

Step-by-step explanation:

let unknown number be x

⅕x + 5½= 30⅖ - ⅙x

⅕x + 11/2= 152/5 - ⅙x

collect like terms

⅕x+⅙x= 152/5 - 11/2

$\frac{11}{30}x = \frac{249}{10}$

cross multiply

30 * 249=(11 * 10)x

7470=110x

x=7470/110

x= 68

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