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Yuri [45]
3 years ago
8

How do u turn 2.15 to a fraction

Mathematics
2 answers:
dolphi86 [110]3 years ago
5 0
Ask google. Google knows everything... hahaha
wolverine [178]3 years ago
5 0

It would be 43/20 or 2 3/20

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2x+5y=-3<br>3x-y=21<br>help me
arlik [135]
Problem:
Solve
2
x
+
5
y
=
−
3
;
3
x
−
y
=
21
Steps:
I will try to solve your system of equations.
3
x
−
y
=
21
;
2
x
+
5
y
=
−
3
Step: Solve
3
x
−
y
=
21
for y:
3
x
−
y
+
−
3
x
=
21
+
−
3
x
(Add -3x to both sides)
−
y
=
−
3
x
+
21
−
y
−
1
=
−
3
x
+
21
−
1
(Divide both sides by -1)
y
=
3
x
−
21
Step: Substitute
3
x
−
21
for
y
in
2
x
+
5
y
=
−
3
:
2
x
+
5
y
=
−
3
2
x
+
5
(
3
x
−
21
)
=
−
3
17
x
−
105
=
−
3
(Simplify both sides of the equation)
17
x
−
105
+
105
=
−
3
+
105
(Add 105 to both sides)
17
x
=
102
17
x
17
=
102
17
(Divide both sides by 17)
x
=
6
Step: Substitute
6
for
x
in
y
=
3
x
−
21
:
y
=
3
x
−
21
y
=
(
3
)
(
6
)
−
21
y
=
−
3
(Simplify both sides of the equation)
Answer:
y
=
−
3
and
x
=
6

7 0
3 years ago
What is x square minus x minus 12=0?
bonufazy [111]
I believe it's 12=0

Hope I helped! ( Smiles )

6 0
3 years ago
BRAINLIEST FOR CORRECT ANSWER!!!<br> Please Help!
vlada-n [284]

Answer:

20

Step-by-step explanation:

x+2x+x+10=90

4x=80

x=20

give brainliest please

6 0
2 years ago
Read 2 more answers
Is it greater than, Less than, or equal to?
frosja888 [35]
The answer is greater than
5 0
3 years ago
Read 2 more answers
Is 3/3 a proper fraction
nexus9112 [7]
No I hope that helps
3 0
2 years ago
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