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3 years ago

Find the slope of line containing the given points. (3,-8),(1,4)

Mathematics

2 answers:

andre [41]3 years ago

8 0

Answer:

m = -6

Step-by-step explanation:

As we move from point (1,4) to point (3,-8), x increases by 2 and y decreases by 12. Thus, the slope of this line is m = rise / run = -12/2 = -6.

iris [78.8K]3 years ago

3 0

Answer: ⁻6 is your answer.

Step-by-step explanation:

To find the slope use the slope equation: m=y₁-y₂/x₁-x₂

Sub: m= ⁻8-4/3-1

Solve: m= ⁻12/2

Sam: m= ⁻6/1 or -6

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Step-by-step explanation:

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3 years ago

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ratelena [41]

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2 years ago

(05.01 MC) In triangle JKL, tan(b°) = three fourths and cos(b°) =four fifths. If triangle JKL is dilated by a scale factor of on

REY [17]

Answer:

$sin(b^\circ) = \dfrac{3}{5}$

Step-by-step explanation:

We are given a $\triangle JKL$ where $\angle K = 90^\circ$

$tan(b^\circ) = \dfrac{3}{4}\\cos(b^\circ) = \dfrac{4}{5}$

As per trigonometric rules,

$tan(\theta) = \dfrac{Perpendicular}{Base}$

$cos(\theta) = \dfrac{Base}{Hypotenuse}$

Comparing the given value of tangent and cosine:

Perpendicular = 3 units

Base = 4 units

Hypotenuse = 5 units

Also, we know that:

$sin(\theta) = \dfrac{Perpendicular}{Hypotenuse}$

$\Rightarrow sin(b^\circ) = \dfrac{3}{5}$

Now, it is given that the triangle is dilated by a scale factor of $\frac{1}{2}$ .

i.e. all the sides will become half of its initial values.

New Perpendicular = 1.5 units

New Base = 2 units

New Hypotenuse = 2.5 units

Using the formula for sine:

$sin(\theta) = \dfrac{Perpendicular}{Hypotenuse}$

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3 years ago

joseph saves 30% of his allowace each week. if he saves 24$ in 5 weeks. how much allowance does joseph recieve in each week

creativ13 [48]

Answer:

$24/5 weeks = $4.80 saved per week.

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So, Joseph receives $16 per week.

Step-by-step explanation:

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3 years ago

The LCD of two fractions is the same as the LCM of the numerators of the fractions.

N76 [4]

That is actually false. The LCD of two fractions is the same as the LCM of the denominators, not numerators :) Hope this helped!

4 0

3 years ago

Find the slope of line containing the given points. (3,-8),(1,4)​

Find the slope of line containing the given points. (3,-8),(1,4)