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lidiya [134]
2 years ago
8

Are the expressions equivalent 7y + 21 and 3(2y+7)+y

Mathematics
2 answers:
Natalija [7]2 years ago
7 0
Yes because 7/21 is theee they are factors
DochEvi [55]2 years ago
4 0

Answer:

Yes

Step-by-step explanation:

3(2y + 7) + y

6y + 21 + y

7y + 21

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larisa [96]

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2 years ago
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Find the values of x and y
eimsori [14]

Answer:

y = 70 and x = 20

Step-by-step explanation:

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3 0
3 years ago
Use 4's and any of the operations: +, -, × and ÷ to write number sentences.
Furkat [3]

Answer:

Step-by-step explanation:

(4x4)÷(4+4) = 2

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8 0
3 years ago
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1. How can you find the decimal forms of 3/12 and 2/9?
Helga [31]

Answer:

1. 0.472

2. 0.25

Step-by-step explanation:

1. reduce the fraction with 3 = 1\4 + 2\9

write all numerators above the Least common denominator 36 =9 + 8\36

Add numbers = 17\36 and the alternate form is 0.472

2. Divide the numerator and denominator by three = 3 ÷ 3\12 ÷ 3 = 0.25

I can't do the others now I have an exam(sorry)

6 0
3 years ago
15 points and crown <br> solve by factoring (x+6)(2x-5)=0<br> I am confused
Reika [66]
Remember, in order for this equation to be true either one of the polynomials has to equal 0
So:

-> x+6 = 0

x=-6


-> 2x-5 = 0

2x= 5

x= 5/2


So the answer is x=-6 and x= 5/2.


Hope this helps!
7 0
3 years ago
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