3 years ago

Jane flies 3,500 miles in 9 hours. what is the average speed of her airplane?

1 answer:

3 0

Average Speed = Distance traveled / time taken
s = 3500 / 9
s = 388.89

In short,Your Answer would be 388.89 mph

Hope this helps!

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Which is a correct definition of perpendicular lines?

djyliett [7]

It would be B: a set of points that extends infinitely in two directions

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What percent of 64 is 8

steposvetlana [31]

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2 years ago

Tell whether the ordered pair is a solution of the linear system (-24,-10)

Dovator [93]

Answer:

IT is not

Step-by-step explanation:

Let's replace. If it's a solution, it means that BOTH equations has to be true.

$\left \{ {{-10=-5(-24)+22} \atop {-2(-24) +6(-10)=-12} \right.$

Now, the second equations seems good - $48-60 =-12$ indeed.

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2 years ago

Calculate the slope through the points (2, 3) and (2,-6) The slope = _

MaRussiya [10]

Answer:

m = undef

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (2, 3)

Point (2, -6)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute [SF]: $m=\frac{-6-3}{2-2}$
Subtract: $m=\frac{-9}{0}$
Define: m = undef

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3 years ago