2 years ago

Find the slope of each line

Mathematics

1 answer:

sammy [17]2 years ago

3 0

The slope is 3/2 or y = 3/2x - 1

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mina [271]

Answer:

for 10 people she makes 35$

for 20 people she makes 55$

for 30 people she makes 75$

and for 40 people she makes 95$

Step-by-step explanation:

just plug the number of people (10, 20, 30, 40) into the x in the equation.

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3 years ago

The price of a climbing trip to Mount Kilimanjaro includes an initial fee plus a constant fee per meter.

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Step-by-step explanation:

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mars1129 [50]

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Step-by-step explanation:

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2 years ago

Find an equivalent fractions<br> for each given fraction<br> 70/10

ivanzaharov [21]

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Step-by-step explanation:

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3 years ago

Find the area of the triangle with vertices: q(3,-4,-5), r(4,-1,-4), s(3,-5,-6).

maw [93]

Answer:

(√6)/2 square units

Step-by-step explanation:

The area of a triangle is half the magnitude of the cross product of the vectors representing adjacent sides.

QR = (4-3, -1-(-4), -4-(-5)) = (1, 3, 1)

QS = (3 -3, -5-(-4), -6-(-5)) = (0, -1, -1)

The cross product is the determinant ...

$\text{det}\left|\begin{array}{ccc}i&j&k\\1&3&1\\0&-1&-1\end{array}\right|=-2i+j-k$

The magnitude of this is ...

|QR × QS| = √((-2)² +1² +(-1)²) = √6

The area of the triangle is half this value:

Area = (1/2)√6 . . . . square units

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3 years ago