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3 years ago

11

in a class there are 8 students who play football and cricket 4 students who do not play football or cricket 14 students who pla

y football 20 students who play cricket find the probability that a student chosen at random plays football or cricket or both

1 answer:

snow_lady [41]3 years ago

5 0

Answer:

Step-by-step explanation:

hello :

here is an solution :

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Step-by-step explanation:

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Size of interior angle in a regular polygon

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3 years ago

Find all the solutions of the given system of equations. 3x-4y=2 9x-12y=6

Mkey [24]

I will try to solve your system of equations.
3
x
−
4
y
=
2
;
9
x
−
12
y
=
6
Step: Solve
3
x
−
4
y
=
2
for x:
3
x
−
4
y
+
4
y
=
2
+
4
y
(Add 4y to both sides)
3
x
=
4
y
+
2
3
x
3
=
4
y
+
2
3
(Divide both sides by 3)
x
=
4
3
y
+
2
3
Step: Substitute
4
3
y
+
2
3
for
x
in
9
x
−
12
y
=
6
:
9
x
−
12
y
=
6
9
(
4
3
y
+
2
3
)
−
12
y
=
6
6
=
6
(Simplify both sides of the equation)
6
+
−
6
=
6
+
−
6
(Add -6 to both sides)
0
=
0
Answer:
Infinitely many solutions.

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3 years ago

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LuckyWell [14K]

Answer: $x=\frac{4}{5}$

Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

1. You have the following equation given in the problem above:

$4x-2(3x-2)=3x$

2. Apply the Distributive property:

$4x-6x+4=3x$

4. Now, you must add like terms:

$4=3x-4x+6x\\4=5x$

5. Solve for $x$ , then the result is:

$x=\frac{4}{5}$

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4 years ago