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Nataly [62]
3 years ago
14

What is the solution

Mathematics
1 answer:
ladessa [460]3 years ago
3 0

Answer:

No solutions or ∅

Step-by-step explanation:

Do the algebra:

-\frac{1}{3}+\frac{2}{3}m=\frac2 3 m - \frac 2 3 \\\\\frac 2 3 m = \frac 2 3 m - \frac 2 3\\\\0=-\frac 2 3

Since 0 ≠ -2/3, this equation has no solutions.

Hope this helped :)

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Somebody please help me
eduard

Answer:

12.5

Step-by-step explanation:

I think

4 0
3 years ago
Read 2 more answers
Evaluate the expression when x = –11.
Aleksandr [31]
2x - 19
Let's substitute the value of x in the equation

2 ( -11 ) - 19
-22 - 19
-41

So correct option is D. 

Hope this helps you..  :)
5 0
3 years ago
Read 2 more answers
A repair company’s charge for repairing a certain type of copy machine fits the model y = 47.38 + 0.617x where y is the number o
Tems11 [23]

Answer: 36.66min

Step-by-step explanation:

y = 47.38 + 0.617x

where y is the number of dollars

x is the number of minutes on the job

Given a value of y = $70, then

We substitute y = $70 in the equation.

70 = 47.38 + 0.617x

22.62 = 0.617x

X = 22.62/0.617 = 36.66min

6 0
2 years ago
Substitution method for 7x-2y=1 & x-2y=1
RUDIKE [14]
We want to use the Substitution method to solve
7x - 2y = 1          (1)
x - 2y = 1           (2)

From equation (1), obtain
2y = 7x - 1          (3)

Substitute (3) into (2).
x - (7x - 1) = 1
-6x + 1 = 1
-6x = 0
x = 0

From (3), obtain
2y = 7*0 - 1 = -1
y = -1/2

Answer: (0, -1/2)  or x=0, y= -1/2.

6 0
3 years ago
Three of these fractions are equivalent: B. 12 C . 21 D. 74 30 A. . 70 Which one is the odd one out?
IrinaVladis [17]

Answer:

12/30

Step-by-step explanation:

Here is the complete question

Three of these fractions are equivalent A.30/70 B.12/30 C.9/21 D.6/14 which one is the odd one out

to determine the equivalent fractions, convert the fractions to percentage

\frac{30}{70} × 100 = 42.86%

\frac{12}{30} × 100 = 40%

\frac{9}{21} × 100 = 42.86%

\frac{6}{14} x 100 = 42.86%

Another method is to convert the fraction to its simplest form

30/70

To transform to the simplest form. divide both the numerator and the denominator by 10 = 3/7

12/30

To transform to the simplest form. divide both the numerator and the denominator by 6 = 2/5

9/21

To transform to the simplest form. divide both the numerator and the denominator by 3 = 3/7

6/14

To transform to the simplest form. divide both the numerator and the denominator by 2 = 3/7

Using either methods, 12/30 is the odd one out  

4 0
2 years ago
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