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3 years ago

WILL GIVE BRAINLIEST ANSWER!!!! Algebra 2!!! Please Help!! EQUATION SHOWN!!!!

Mathematics

1 answer:

earnstyle [38]3 years ago

7 0

Hope this helped you :)

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A circle is divided into 18 equal parts. How many degrees is the angle for each part? How many degrees is the angle for 5parts?

vlada-n [284]

Step-by-step explanation:

A circle has 360 degrees so 360/18= 20

For the 2nd question: 360/5=72

4 0

3 years ago

Given that tan theta = -4/7, and 270° < theta < 360°, what is the exact value of sec theta

aleksley [76]

Answer:

sec Θ = $\frac{\sqrt{65} }{7}$

Step-by-step explanation:

Using the trigonometric identity

sec²Θ = tan²Θ + 1

Since 270° < Θ < 360° ← that is fourth quadrant, then

sec Θ > 0, thus

sec²Θ = (- $\frac{4}{7}$ )² + 1 = $\frac{16}{49}$ + 1 = $\frac{65}{49}$ , then

sec Θ = $\sqrt{\frac{65}{49} }$ = $\frac{\sqrt{65} }{7}$

6 0

3 years ago

What is the answer to this math question?

oksano4ka [1.4K]

Answer:

The answer is option 3.

Step-by-step explanation:

First we have to find the area of both rectangle and triangle :

Rectangle,

$area = base \times height$

Let base = 9,

Let height = 3,

$area = 9 \times 3 \\ area = 27 \: {m}^{2}$

Triangle,

$area = \frac{1}{2} \times base \times height$

Let base = 3,

Let height = 3,

$area = \frac{1}{2} \times 3 \times 3 \\ area = \frac{1}{2} \times 9 \\ area = \frac{9}{2} \\ area = 4.5 \: {m}^{2}$

Lastly, in order to find the shaded region you have to substract the area of triangle from the area of rectangle :

$area = 27 - 4.5 \\ area = 22.5 \: {m}^{2}$

5 0

3 years ago

Read 2 more answers

Help!!!!!!!! 2 questions!

Bad White [126]

The one on the left is b and the one on the right is -1.

5 0

4 years ago

Help! Will mark brainliest!

miss Akunina [59]

Answer: a rise of 12 and a run of 7

Step-by-step explanation:

7 0

2 years ago