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3 years ago

What is the slope of the line that passes through the points (2,-4) (4,-1)

Mathematics

1 answer:

creativ13 [48]3 years ago

3 0

Answer:

m=3/2

Step-by-step explanation:

The slope can be calculated using the following equation

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

Where

(x2,y2)=(4,-1)

(x1,y1)=(2,-4)

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100m world record was completed at an average speed of 37.6 km/h. work out this speed in meters per second?

pickupchik [31]

Step-by-step explanation:

1 km = 1000 m

1 hour = 3600 s

so,

37.6 km = 37,600 m (still per hour or per 3600 s).

in 1 second now that is

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2 years ago

Expand the following:<br> a) x(x + 2)<br> b) x(2x - 5)<br> c) 2x(3x + 4)<br> d) 6x(x - 2)

TEA [102]

Answer:

solution,

$a. \: x(x + 2) \\ \: \: = x \times x + 2 \times x \\ \: \: = {x}^{2} + 2x$

$b . \: x(2x - 5) \\ \: = x \times 2x - x \times 5 \\ \: \: = 2 {x}^{2} - 5x$

$c. \: 2x(3x + 4) \\ \: = 2x \times 3x + 2x \times 4 \\ \: \: = 6 {x}^{2} + 8x$

$d. \: 6x(x - 2) \\ \: \: = 6x \times x - 6x \times 2 \\ \: \: = 6 {x}^{2} - 12x$

Hope this helps...

Good luck on your assignment..

4 0

3 years ago

Math is so hard man but can someone help me

nataly862011 [7]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

Evaluate f(-2) = -3x² - 2x

Delvig [45]

Answer:

-2F=7x

Step-by-step explanation:

F*-2= -2F 3x*3x=9x

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3 years ago

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9966 [12]

The answer is 0.9 if z is in the numerator and if it is in the denominator it is 1/9

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