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katovenus [111]
3 years ago
7

1

Mathematics
1 answer:
Yanka [14]3 years ago
7 0

The expression y = 7 + 2x can be substituted into the first equation to find the variable "x"

<h3>System of equation</h3>

System of equation are made of two or more equations with unknowns

Given the system of equation

4x=5-2y

y-2x=7

From equation 2:

y = 7 + 2x

The expression y = 7 + 2x can be substituted into the first equation to find the variable "x"

Learn more on system of equation here: brainly.com/question/14323743

#SPJ1

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Answer:

Step-by-step explanation:

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Mia can clean her room in 1/4 the time it takes her older brother to clean his. Mia does the job in a half hour. How long does i
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7.5 Minutes

Step-by-step explanation:

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3 0
3 years ago
Which is greater |60| or |-60|
Aneli [31]

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They are both equal

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6 0
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Read 2 more answers
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maria [59]
With replacement, each draw has a probability of
9 pink out of 18 total number of chips.

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P(pink,pink) = (9/18)*(9/18) = 81/324   [ = 1/4 ]
or
P(pink,pink) = \frac{9}{18}*\frac{9}{18}=\frac{81}{324}



4 0
4 years ago
F(x)=1/2×+6 plz helpppppppppp​
FromTheMoon [43]

Answer:

The solution set can be given as:

\{x|x\ \epsilon\ R,x\neq -3\}

Step-by-step explanation:

Given function:

f(x)=\frac{1}{2x+6}

To find the domain of the function in set notation.

Solution:

For the function f(x) to exist the denominator must be ≠ 0

We have the denominator (2x+6) which  cannot be = 0.

Thus, we can find the domain of the function using the above relation.

The function f(x) will not exist when:

2x+6=0

Solving for x

Subtracting both sides by 6.

2x+6-6=0-6

2x=-6

Dividing both sides by 2.

\frac{2x}{2}=\frac{-6}{2}

∴ x=-3

Thus, the function will not exist at x=-3. This means it has all real number solutions except -3.

The solution set can be given as:

\{x|x\ \epsilon\ R,x\neq -3\}

3 0
4 years ago
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