carmenramie01 carmenramie01

29-05-2019
Mathematics

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Can somebody help me with this?

Can somebody help me with this class=

Respuesta :

Sunny32305a Sunny32305a

29-05-2019

Answer:A. True, B. False, C. True, D. False

Step-by-step explanation:

A. 6.2*1.35=8.7,

8.7/6.2 = 1.35

B. X has to be 34.3 not 34.1

4.9*7=34.3 not 34.1

C. 8(3.15)-5.2=20

8(3.15)=20+5.2

8(3.15)=25.2

25.2=25.2

D. 4x-1=x+6.5 x=2.8

4x-x=7.5

3x=7.5

x=7.5/3 = 2.5

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