stef76

01.08.2019 • 

Mathematics

Daniel expanded the expression as shown.
-2(-8x-4y+3/4=-10x-8y-1 1/4
a.what errors did he make? check all that apply.
b.the first term should be positive.
c.the second term should be positive.
d.he did not distribute the -2 properly.
e.he added -8 and -2 instead of multiplying -8 by -2.
f.he did not simplify the expression completely.
g.the last term should be -1 1/2, not -1 1/4.

Ответ:

zionlopez543

15.03.2021

Mathematics

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Step-by-step explanation:

1)Every whole number is a rational number.√

2)There are some fraction that are not rational number.√

3)every negative rational number lies to the right of zero on the number line.×

4) zero is not a rational number.×

5)every interger is a rational number.√

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