1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kupik [55]
2 years ago
9

Help I will be marking brainliest!!!

Mathematics
2 answers:
IRISSAK [1]2 years ago
3 0

Answer:

im not good with trigangles but illtry to help

Step-by-step explanation:

Anni [7]2 years ago
3 0

Answer:

Step-by-step explanation:

sin60=\frac{HR}{72}\\ \\ HR=72sin60\\ \\ \text{They are checking to see if you know the relationships of the 30,60,90 triangle whos sides opposite of those angles are }1,\sqrt{3},2\\ \\ sin60=\frac{\sqrt{3}}{2}\\ \\ HR=\frac{72\sqrt{3}}{2}\\ \\HR=36\sqrt{3}

You might be interested in
How do you find the area of a circle???
kotykmax [81]
The area of a circle is pi times the radius squared
5 0
2 years ago
Read 2 more answers
Using the unit circle, determine the value of cos(-150°).
elena-14-01-66 [18.8K]
<h3>Answer:  -\frac{\sqrt{3}}{2}</h3>

Explanation:

The identity we'll use is cos(-x) = cos(x) for any value of x.

So cos(-150) = cos(150).

Then locate the angle 150 on the unit circle. The terminal point is \left(-\frac{\sqrt{3}}{2}, \frac{1}{2}\right)

The x coordinate of this terminal point is the value of cos(150).

5 0
3 years ago
Read 2 more answers
Radius= 4cm. find the area and diameter of the circle​
Bezzdna [24]
<h3>given:</h3>

radius= 4 cm

<h3>to find:</h3>

the area and the diameter of the circle.

<h3>solution:</h3><h3>diameter:</h3>

d = 2r

d = 2 \times 4

d = 8 \: cm

<u>therefore</u><u>,</u><u> </u><u>the</u><u> </u><u>diameter</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>circle</u><u> </u><u>is</u><u> </u><u>8</u><u> </u><u>centimeters</u><u>.</u>

<h3>area:</h3>

a = \pi {r}^{2}

a = \pi \times  {4}^{2}

a = 50.26548 \:  {cm}^{2}

a = 50.27 \:  {cm}^{2}

<u>hence</u><u>,</u><u> </u><u>the</u><u> </u><u>area</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>circle</u><u> </u><u>is</u><u> </u><u>50.27</u><u> </u><u>square</u><u> </u><u>centimeters</u><u>.</u>

6 0
2 years ago
Read 2 more answers
Which of these is an example of exponential decay?
Nataly [62]
I would say A is the only logical answer
8 0
3 years ago
Read 2 more answers
Area of Composed Figures - Quiz-Level G
4vir4ik [10]

The number of square feet of the carpet is the area of the carpet

The number of square feet of outdoor carpet is 32 feet

<h3>How to determine the number of square feet</h3>

To do this, we simply divide the carpet to regular shapes.

The outdoor carpet can be divided to the following shapes from top to bottom

  • Rectangle of 4 ft by 2 ft
  • Rectangle of 6 ft by 2 ft
  • Rectangle of 6 ft by 2 ft

So, the area of the outdoor carpet is:

Area = 4 * 2 + 6 * 2 + 6 * 2

This gives

Area = 32

Hence, the number of square feet of outdoor carpet is 32 feet

Read more about areas at:

brainly.com/question/24487155

8 0
2 years ago
Other questions:
  • Bernie's car used 100 cups of gasoline during a drive he paid 3.12 per gallon for gas how much does it gas cost
    5·1 answer
  • What is the value of x?
    12·2 answers
  • What is m a(3x+13)degrees b(x-8)degrees<br><br> Enter your answer in the box
    10·2 answers
  • $35 to spend cake is $18 balloons are $4
    11·1 answer
  • Macy has a circular garden that has a radius of 4.5 meters. What is the circumference of her garden? Use 3.14 for pi
    8·1 answer
  • What is the area of the parallelogram?​
    9·2 answers
  • You are making identical snack bags. You have 18 fruit-chew snacks and 24 granola snacks. What is the greatest amount of snack b
    15·2 answers
  • Subtract four thirds from one seventeenth of sixty-three.
    15·2 answers
  • Luis evaluated the expression \large 3^5+6^3, but he made a mistake. His work is shown below:
    6·1 answer
  • Megan and her little sister, Nora, counted their Halloween ca 20 out of the 50 candy pieces were taffy. In Nora's bag, 11 out of
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!