Hi! Please help :) (will give brainliest <3)

Mathematics

2 answers:

Katyanochek1 [597]3 years ago

7 0

PART A

A= 51 (vertically opposite)
B= 129 (angles on a straight line and supplementary angles)
D= 129 (vertically opposite)
W= 129 (corresponding angles)
X = 51 (co-interior angles, angles on a straight line, supplementary angles and corresponding angles)
Y = 129 (vertically opposite)
Z = 51 (supplementary angles, angles on a straight line)

PART B
Z and y are supplementary angles because they are on a straight line meaning they add up to 180 degrees.

kvv77 [185]3 years ago

6 0

Answer:

a.51

b.131.5

d.131.5

w.131.5

x.51

y.131,5

z.51

don't know the rest

Step-by-step explanation:

You might be interested in

The angles of a quadrilateral are represented by 9x, (20x + 16) (12x + 10), and (7x- 2)°. What is the value of x?

Pepsi [2]

Answer:

x=7

Step-by-step explanation:

9x+20x+16+12x+10+7x-2=360

48x+24=360

48x=360-24

48 x=336

x=336/48=7

5 0

3 years ago

Find all constants a such that the vectors (a, 4) and (2, 5) are parallel.

Nezavi [6.7K]

Answer:

$\displaystyle a = \frac{8}{5}$ .

Step-by-step explanation:

Two vectors $(x_1,\, y_1)$ and $(x_2,\, y_2)$ are parallel to one another if and only if the ratio between their corresponding components are equal:

$\displaystyle \frac{x_1}{x_2} = \frac{y_1}{y_2}$ .

Equivalently:

$\displaystyle \frac{x_1}{y_1} = \frac{x_2}{y_2}$ .

For the two vectors in this equation to be parallel to one another:

$\displaystyle \frac{a}{4} = \frac{2}{5}$ .

Solve for $a$ :

$\displaystyle a = \frac{8}{5}$ .

$\displaystyle \frac{8}{5}$ would be the only valid value of $a$ ; no other value would satisfy the $\displaystyle \frac{x_1}{y_1} = \frac{x_2}{y_2}$ equation.