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iren2701 [21]
4 years ago
11

Tracy drove 312 miles in about 5 hours. What is the best underestimate of Tracy's rate of speed?

Mathematics
2 answers:
slavikrds [6]4 years ago
8 0
Tracy average speed is 62.4 miles per hour
sergeinik [125]4 years ago
5 0
Tracy average speed is 62.4 mph
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Plz help 30 points <br> 3(x+2)=18<br> please solve for x
olga nikolaevna [1]

In 3(x+2)=18,  X=4

Divide both sides by the numeric factor on the left side, then solve.

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3 years ago
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Use the information given to enter an equation in standard form. (−1, 1) and (0, 6) are on the line.
liubo4ka [24]

Answer: -5x+y=6

Step-by-step explanation:

Given

Points on line (-1,1)\ \text{and}\ (0,6)

The standard form of an equation is ax+by=c

Using the two-point form of a line

\Rightarrow \dfrac{y-1}{x+1}=\dfrac{6-1}{0+1}\\\Rightarrow \dfrac{y-1}{x+1}=\dfrac{5}{1}\\\Rightarrow y-1=5x+5\\\Rightarrow y-5x=6\\\Rightarrow -5x+y=6

7 0
3 years ago
Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution.
Leno4ka [110]
The answer is 4.

<span>Square root of 2x plus 1 = 3:
</span>\sqrt{2x+1} =3
<span>
Square both sides:
</span>( \sqrt{2x+1} )^{2}  =3^{2} \\  \\ &#10;2x+1=9 \\ &#10;2x = 9 - 1 \\ &#10;2x =8 \\ &#10;x = 8:2 \\ x =4&#10;<span>

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3 0
3 years ago
Will mark brainliest help
Tema [17]

Answer:

Functions can be represented using equations and graphs

The key features are (1) both f(x) and g(x) include domain values of [3, ∞) and range values of (0, ∞), and both functions are positive for the entire domain.

How to determine the key features

The functions are given as:

Using a graphing calculator:

The domain of g(x) is

The range of g(x) is

The domain of f(x) is

The range of f(x) is

Both functions have positive values for their domains

By comparing the above highlights, the true statement between functions g(x) and f(x) is option (1)

Step-by-step explanation:

3 0
3 years ago
Shareholders in an electronics company were informed that the company's market share increased from 4.5% to 6.3%, a rise of 1.8
iris [78.8K]

Based on the increase in the company's share prices, the percent increase in sales that this represents is 40%.

<h3>How much did sales increase?</h3>

The increase in sales can be found as:

= % increase in share price / Initial percentage x 100%

Solving gives:

= 1.8% / 4.5% x 100%

= 0.4 x 100%

= 40%

In conclusion, sales increased by 40%.

Find out more on percentage increase in sales at brainly.com/question/26037072.

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4 0
2 years ago
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