All categories

2 years ago

9 Find the values of r and y. с A 95° B 4x ro D E

Mathematics

1 answer:

Inga [223]2 years ago

4 0

Answer:

x = 18°, y = 167°

Step-by-step explanation:

In right triangle sum of two angles is 90°

4x + x = 90°
5x = 90°
x = 90°/5
x = 18°

Angle y is exterior angle and equals non-adjacent interior angles

y = 4x + 95° =
4*18° + 95° =
72° + 95° =
167°

You might be interested in

I’m still trying to do my work and trying to figure out this

swat32

The slope of a vertical line is undefined, D.

If you were to try to solve use something like the rise over run method, you would end up with a 0 in the denominator. Since dividing by 0 gives you an undefined result, the slope would be undefined.

3 0

2 years ago

Read 2 more answers

Evaluate a^2b^2? when a = 5 and b = 3.

kvasek [131]

Answer:

$D) 7$

Step-by-step explanation:

$a^{2} -2b^{2}$

$a=5$

$b=3$

$\left(5\right)^2-2\left(3\right)^2$

Calculate 5 to the power of 2 and get 25:-

$25-2\times 3^{2}$

Calculate 3 to the power of 2 to get 9 and then multiply 2 and 9 to get 18:-

$25-18$

$=7$

OAmalOHopeO

5 0

2 years ago

The Silver Lake Reservoir in California is being drained to make way for an underwater pipeline. The reservoir holds 400400400 m

MArishka [77]

Divide the total the lake holds by the number of days:

400 million / 25 days = 16 million gallons per day.

3 0

2 years ago

If I make $84000 a year, how much is that per month?

drek231 [11]

Answer:

$|-7000|

Step-by-step explanation:

divide 84000 by 12 = 7000

6 0

2 years ago

Read 2 more answers

Determine the graph of the polar equation r=4/(1-1/2cosx(theta))

crimeas [40]

Answer:

see below

Step-by-step explanation:

We assume you want the graph of ...

$r=\dfrac{4}{1-\frac{1}{2}\cos{(\theta)}}$

A graphing calculator or spreadsheet is useful for this.

You know cos(θ) = cos(-θ), so the graph is symmetrical about the x-axis. You can evaluate the function at a few points to find the general outline.

r at 0° = 8

r at 30° ≈ 7.05

r at 45° ≈ 6.19

r at 60° ≈ 5.33

r at 90° = 4

r at 120° = 3.2

r at 135° ≈ 2.96

r at 150° ≈ 2.79

r at 180° ≈ 2.67

6 0

3 years ago