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3 years ago

Help please help please help please help please

Mathematics

2 answers:

solong [7]3 years ago

5 0

Answer:

The correct answer is option 2

Least common denominator is 9

Step-by-step explanation:

The given expression is, 2x/9 + 2x/3 = 7

To find the least common denominator.

The fractions are given below,

The LCD = 9

Equivalent fractions with LCD

2/9 = 2/9

2/3 = 6/9

From the above details we get,

The correct answer is option 2

Least common denominator is 9

slega [8]3 years ago

3 0

Answer:

Step-by-step explanation:

The least common denominator is the smallest number that is in the denominator. We have 9 in the denominator and 3, and the smaller one is 3

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Find the values of the mode when median is given to be 5 and mean is 7.

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Step-by-step explanation:

Relation between the Central Measures of Tendency

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serious [3.7K]

a is the answer, as i is irrational no

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3 years ago

Solve the system of equations below. 5x + 2y = 9 2x - 3y = 15

riadik2000 [5.3K]

Answer:

(3,-3)

y= -3

x= 3

Step-by-step explanation:

5x+2y=9

2x-3y=15

solve the equation

x=9/5-2/5y

2x-3y=15

substitute the value of x into an equation

2(9/5-2/5y)-3y=15

distribute

18/5-4/5y-3y=15

subtract -4/5 to -3

18/5-19/5y=15

subtract 18/5 from both sides

-19/5=57/5

divide both sides by -19/5

y= -3

substitute the value of y into an equation

x=9/5-2/5(-3)

distribute

x=9/5+6/5

add 9/5 to 6/5

x=3

--------

(3,-3)

--------

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3 years ago