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serious [3.7K]
3 years ago
5

Follow the steps to solve this equation. 3(2x + 6) – 4x = 2(5x – 2) + 6. solve for x

Mathematics
2 answers:
Marta_Voda [28]3 years ago
7 0

Answer: x=2

Step-by-step explanation:

Did it on edge

DIA [1.3K]3 years ago
6 0

Answer:

x = 2

Step-by-step explanation:

3(2x + 6) – 4x = 2(5x – 2) + 6

Distributive property

6x + 18 - 4x = 10x - 4 + 6

Combine like terms

2x + 18 = 10x + 2

Subtract 10x from both sides

-8x + 18 = 2

Subtract 18 from both sides

-8x = - 16

Divide both sides by -8

x = 2

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Answer:

64 inches

Step-by-step explanation:

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8 0
3 years ago
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Need help pleaseI was bad at math in school so lwant to learn
aleksklad [387]

The probability of an event is expressed as

Pr(\text{event) =}\frac{Total\text{ number of favourable/desired outcome}}{Tota\text{l number of possible outcome}}

Given:

\begin{gathered} \text{Red}\Rightarrow2 \\ \text{Green}\Rightarrow3 \\ \text{Blue}\Rightarrow2 \\ \Rightarrow Total\text{ number of balls = 2+3+2=7 balls} \end{gathered}

The probability of drwing two blue balls one after the other is expressed as

Pr(\text{blue)}\times Pr(blue)

For the first draw:

\begin{gathered} Pr(\text{blue) = }\frac{number\text{ of blue balls}}{total\text{ number of balls}} \\ =\frac{2}{7} \end{gathered}

For the second draw, we have only 1 blue ball left out of a total of 6 balls (since a blue ball with drawn earlier).

Thus,

\begin{gathered} Pr(\text{blue)}=\frac{number\text{ of blue balls left}}{total\text{ number of balls left}} \\ =\frac{1}{6} \end{gathered}

The probability of drawing two blue balls one after the other is evaluted as

\begin{gathered} \frac{1}{6}\times\frac{2}{7} \\ =\frac{1}{21} \end{gathered}

The probablity that none of the balls drawn is blue is evaluted as

\begin{gathered} 1-\frac{1}{21} \\ =\frac{20}{21} \end{gathered}

Hence, the probablity that none of the balls drawn is blue is evaluted as

\frac{20}{21}

8 0
1 year ago
Let f(x) = 5x – 3 and g(x) = 2x². Perform the function operation and then find the domain of the result.
MAXImum [283]

Answer:

(f+g)x= 2x²+5x-3

The domain x∈ Real number.

Step-by-step explanation:

Given that f(x) = 5x - 3 and g(x) = 2x²

(f+g)x = f(x) + g(x)

So, by using the given function

(f+g)x= (5x-3) + (2x²)= 2x²+5x-3

As the result, 2x²+5x-3, is a polynomial, so domain of the result is all the real numbers.

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3 years ago
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jolli1 [7]
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