2 years ago

Find the slope of the line between (12,-18) and (-15,-18).

Mathematics

2 answers:

almond37 [142]2 years ago

6 0

Answer:

The slope is 0

Step-by-step explanation:

The equation for slope is:

(y₂-y₁)/(x₂-x₁)

Now we plug in the coordinates into the equation:

(-18-(-18))/(-15-12)

(-18+18)/(-27)

0/-27

jekas [21]2 years ago

3 0

Answer:

Step-by-step explanation:

The slope formula is:

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

Let's substitute and solve:

$\frac{-18-(-18)}{12-(-15)} = \frac{-18+18}{12+15} = \frac{0}{27} = 0$

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Samantha and Mia each left Julia’s house at the same time. Mia walked north at 7 kilometers per hour. Samantha ran west at 11 ki

Lena [83]

Mia walked 7km/h so after 1 hour, she is 7 km north of the house of Julia

Samantha walked 11km/h so after 1 hour, she is 11 km west of the house of Julia.

The points where Mia and Samantha are after 1 hour , and the house of Julia form a right triangle with sides 7 and 11 km. The distance between the girls, is the hypotenuse of his triangle.

by the pythagorean theorem:

$MS= \sqrt{ 7^{2} + 11^{2} }= \sqrt{49+121}= \sqrt{170}= 13 (km)$

Answer: 13 km