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Sergio039 [100]
3 years ago
9

Which answer choice is a solution to the equation 3x - 2 = 7?

Mathematics
2 answers:
nikitadnepr [17]3 years ago
7 0

Answer:

x=3

Step-by-step explanation:

3x-2=7 you have two do the opposite of subtract which is add 2 to -2 which gets you then you do 2 plus 7 then you get 9 and divide it by 3 which would get you x=3

Snezhnost [94]3 years ago
6 0

Answer:

x=3

Step-by-step explanation:

3x-2=7\\\\3x+2=+2\\\\\\\\frac{3x}{3}=\frac{9}{3}\\\\\\x=3

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When multiplying two numbers that are written in scientific notation what do you do with the exponents of the 10
lisabon 2012 [21]
You multiply the exponents of the 10
6 0
3 years ago
¿Cuál de las siguientes funciones es una función constante? a. Y=x+1 b. Y=x+2 c. X=y+3 d. Y=3
goldenfox [79]

Answer:

Option D y=3

Step-by-step explanation:

The question in English is

Which of the following functions is a constant function?

we know that

A <u>constant function</u> is a function whose output value is the same for every input value

so

<u><em>Verify each case</em></u>

case A) y=x+1

This is not a constant function, this is a linear equation

Is a function whose output value is different for every input value

case B) y=x+2

This is not a constant function, this is a linear equation

Is a function whose output value is different for every input value

case C) x=y+3

This is not a constant function, this is a linear equation

Is a function whose output value is different for every input value

case D) y=3

This is a constant function

Is a function whose output value is the same for every input value

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%20%7B%20%5Csqrt%20%5B%203%20%5D%20%7B%20x%20%5E%20%7B%202%20%7D%20-%204%20x%20%2B%204%
Fittoniya [83]

Answer:

Step-by-step explanation:

\sqrt[3]{\dfrac{(x-2)^2}{(x+4)(x-2)} } =\sqrt[3]{\dfrac{(x-2)}{(x+4)} }

5 0
3 years ago
Solve please:<br><br> 1/5 (25-5a) = 4-a
Liono4ka [1.6K]

Answer: There is no solution.

Step-by-step explanation:

1.) 1 / 5 (25) + 1 / 5 (-5a) = 4 - a

2.) 5 - a = 4 - a

3.) 5 - a + a = 4 - a + a

4.) 5 = 4

The variable a is completely removed, leaving the final answer as 5 = 4, which isn't true.

8 0
4 years ago
Read 2 more answers
In an election for school president, the loser received 70% of the winner's votes. If 969 votes were cast, how many did each rec
wlad13 [49]

Answer:

The ans would be 291 (however we can round this off to 290 as no can partially vote as 0.1)

Step-by-step explanation:

We can easily find the loser's vote by-

70% of 969= 678.9

now, all we need to do is find the winners vote

we know that the total no. of votes= 969 & we know the no. of votes loser got

so, subtracting the losers vote from 969 would give us the remaining no. of votes (the winner's votes)....so,

969-678.9=290.1

we can round this off to 290

 

7 0
3 years ago
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