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3 years ago

What's 8.02-0.84 if you answer this question you're so awesome

Mathematics

2 answers:

faltersainse [42]3 years ago

6 0

7.18 ,,, 8.02 - 0.84

Maru [420]3 years ago

4 0

You could of used a calculator, but 7.18

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3 years ago

Solve 4x + 15x +9==0 by factoring

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-2 < n <_ 6 n is an integer. What is the possible values of n?

AysviL [449]

Answer:

Step-by-step explanation:

E is correct!!

See in A the first option -2 will become equal so it will be wrong
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3 years ago

A car that travels along the highway to Denver at a steady speed. When it begins, it is 300 miles from Denver. After 3 hours, it

umka21 [38]

Answer: $y=-40x+300$

Step-by-step explanation:

This car follows a line, hence its motion can be modeled by the Line equation.

In fact, we already have two points of the line, if we call $x$ the time in hours and $y$ the traveled distance in miles:

Point 1: $(x_{1},y_{1})=(0,300)$

Since we are told the car's initial position is 300 miles in the time 0 h

Point 2: $(x_{2},y_{2})=(3,180)$

Since we are told the car's final position is 180 miles after 3h

Let's find the Slope $m$ :

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$m=-40$ This is the slope of the line

Now, the equation of the line is:

$y=mx+b$

We already know the slope, now we have to find the intersection point with the y-axis ( $b$ ) with any of the given points. Let's choose Point 1: $(x_{1},y_{1})=(0,300)$