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Nataly_w [17]
3 years ago
9

Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form

Mathematics
1 answer:
Ahat [919]3 years ago
4 0

Answer:

-3x + 4y = 40.

Step-by-step explanation:

Let's convert the equation to standard form:

y - 4 = 3/4(x + 8)

y - 4 = 3/4 x + 6

y = 3/4x + 10

Multiply through be 4:

4y = 3x + 40

-3x + 4y = 40 (answer).

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Step-by-step explanation:

In triangle JKL, k = 4.1 cm, j = 3.8 cm and ∠J=63°. Find all possible values of angle K, to the  nearest 10th of a degree

Solution:

A triangle is a polygon with three sides and three angles. Types of triangles are right angled triangle, scalene triangle, equilateral triangle and isosceles triangle.

Given a triangle with angles A, B, C and the corresponding sides opposite to the angles as a, b, c. Sine rule states that for the triangle, the following holds:

\frac{a}{sin(A)}=\frac{b}{sin(B)}=\frac{c}{sin(C)}

In triangle JKL, k=4.1 cm, j=3.8 cm and angle J=63°.

Using sine rule, we can find ∠K:

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