Answer:
0.42
Step-by-step explanation:
divide 100÷42 then the answer is 0.42
Answer:
Divide each term by
5
and simplify.
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x
=
2
y
5
+
12
5
4
x
=
28
−
3
y
Replace all occurrences of
x
in
4
x
=
28
−
3
y
with
2
y
5
+
12
5
.
x
=
2
y
5
+
12
5
4
(
2
y
5
+
12
5
)
=
28
−
3
y
Simplify
4
(
2
y
5
+
12
5
)
.
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x
=
2
y
5
+
12
5
8
y
5
+
48
5
=
28
−
3
y
Move all terms in
8
y
5
+
48
5
=
28
−
3
y
to the left side and simplify.
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x
=
2
y
5
+
12
5
23
(
y
−
4
)
5
=
0
Solve for
y
in the second equation.
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x
=
2
y
5
+
12
5
y
=
4
Replace all occurrences of
y
in
x
=
2
y
5
+
12
5
with
4
.
x
=
2
(
4
)
5
+
12
5
y
=
4
Simplify
2
(
4
)
5
+
12
5
.
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x
=
4
y
=
4
The solution to the system of equations can be represented as a point.
(
4
,
4
)
The result can be shown in multiple forms.
Point Form:
(
4
,
4
)
Equation Form:
x
=
4
,
y
=
4
Step-by-step explanation:
78000000 in scientific notation is
7.8 x 10 ^ 7
This is correct. This is the way you take a mixed number and make it into an improper fraction. This answer is true.
42/x = 30/100
Flip to get x on top and multiply 42 by 100. You get 4200 and then div that by 30 to get 140.
She had 140 before downloads
