The diagram shows a triangle.
46
3u
98
What is the value of u?

12 degrees

Step-by-step explanation:

The sum of a triangle is always going to be 180 degrees, so we would set up an equation for this:

46 + 3u + 98 = 180

Then, we solve from there for the value of 'u'.

144 + 3u =180

3u = 36

u = 36 / 3

u = 12

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probability for j is 1/4

while

a is 1/6

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form