2 years ago

1 Andre tried to solve the equation: 1/4(x+12)=2. What was his mistake.

Mathematics

2 answers:

svetoff [14.1K]2 years ago

3 0

Answer:

the correct answer is x=-4

Step-by-step explanation:

the mistake he made is writing 1/4x=-10 instead of 1/4x=-1

He should have wrote -1 instead of -10

aliya0001 [1]2 years ago

3 0

Answer:

1/4 x =2-3=-1

Step-by-step explanation:

In this line he made a mistake. He wrote -10 instead of -1

so x = -4

You might be interested in

143=7+8(3-7x) solve and justify

Llana [10]

Justify means plug answer in and verify

so distribute 8(3-7x)=24-56x

143=7+24-56x
143=31-56x
minus 31 both sides
112=-56x
divide both sides by -56
-2=x

justify

plug it back
143=7+8(3-7x)
143=7+8(3-7(-2))
143=7+8(3-(-14))
143=7+8(3+14)
143=7+8(17)
143=7+136
143=143

true

x=-2

7 0

2 years ago

Darcia made a snack mix using the following recipe. 1 ¼ cups granola, ¾ cup peanuts, ½ cup raisins, ¼ cup chocolate chips. If sh

Elden [556K]

Answer:

2345

Step-by-step explanation:

because3456

5 0

2 years ago

List the values that make up the domain of this relation.

balandron [24]

$\bf (\stackrel{\downarrow }{5},3),(\stackrel{\downarrow }{2},-7),(\stackrel{\downarrow }{1},-8),(\stackrel{\downarrow }{8},3)\qquad \quad \stackrel{\textit{the domain is always the set of the 1st coordinate}}{(5,2,1,8)}$