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Ratling [72]
3 years ago
10

URGENT!!! Find the area of the triangle given angle β=42∘, side a=7.2 ft, and side c=3.4 ft.

Mathematics
1 answer:
Elina [12.6K]3 years ago
6 0

Answer:

Area = 8.1902ft² (Rounded up to 4 decimal places)

Step-by-step explanation:

Let side a = 7.2ft, side b = 3.4ft and angle β = 42°

Area of the triangle will be given by:

1/2 × a × b × sinβ

Area = 1/2 × 7.2 × 3.4 × sin 42°

Area = 8.1902 ft² (Rounded up to 4 decimal places)

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A group of 18 people ordered soup and sandwiches for lunch. Each person in the group had either one soup or one sandwich. The sa
Minchanka [31]
Lets do this:-

A. 7 Sandwiches

18 - 7 = 11

7 × $7.75 =  $54.25
7 sandwiches cost $54.25.

11 × $4.50 = $49.50
11 soups costs $49.50

49.50 + 54.25 = 103.75
A is not d answer cuz d total of d lunches came to $113.50. 

B. 8 sandwiches

18 - 8 = 10

8 × $7.75 =  $62
8 sandwiches cost $62.

10 × $4.50 = 45
8 soups costs $45

62 + 45 = 107

B is not d answer cuz d total of d lunches came to $113.50. 

C. 9 Sandwiches.

18 - 9 =  9

9 × $7.75 = 69.75
9 sandwiches cost $69.

9 × $4.50 = 40.50
9 soups costs $40.50

69 + 40.50 = 109.5

C is not d answer cuz d total of d lunches came to $113.50. 

D. 10 Sandwiches

18 - 10 = 8

10 × $7.75 = $77.75
10 sandwiches cost $77.75.

8 × $4.50 = $36
8 soups costs $36.

77.75 + 36 = <span>113.75

</span>D is not d answer cuz d total of d lunches came to $113.50. 

So, based on your answer choices there is no correct choice. <span />
7 0
3 years ago
An individual head of a sprinkler system covers a circular area of grass with a radius of 25 feet. The yard has 3 sprinkler head
natta225 [31]

Answer:

Option D. 5890.5 feet²

Step-by-step explanation:

An individual head of a sprinkler system covers a circular are of grass with a radius of 25 feet.

Yard has three sprinkler heads that each cover circular area with no overlap.

We have to calculate the approximate area watered by these 3 sprinkler heads.

Area covered by one sprinkler = π×r² = π×(25)² = 625π feet²

Therefore area covered by three sprinkler heads = 3 × 625π = 5892.85 feet²

which matches the approximate value of Option D. 5890.5 feet²

7 0
2 years ago
HEY CAN ANYONE PLEASE HELP ME:))!!!
prohojiy [21]

there could be a calculator online to solve it

3 0
3 years ago
Add using fraction strip. 1/2 + 5/2​
Oksanka [162]

Answer:

3

Step-by-step explanation:

First we look at our problem 1/2 + 5/2. We can see our denominator is the same so we can add our numerators. 1/2 + 5/2 equals 6/2 = 3.

6 0
2 years ago
Read 2 more answers
What is the distance between points A and F.<br> A. 11.8<br> B. -6.3<br> C. 6.3<br> D. -11.8
sleet_krkn [62]

The distance between the two points in the line segment A_F is 6.3 units

<h3>Distance Between Two Points</h3>

Distance between two points is the length of the line segment that connects the two given points. Distance between two points in coordinate geometry can be calculated by finding the length of the line segment joining the given coordinates. Let us understand the formula to find the distance between two points in a two-dimensional and three-dimensional plane.

The distance between any two points is the length of the line segment joining the points. There is only one line passing through two points. So, the distance between two points can be calculated by finding the length of this line segment connecting the two points.

The data points are;

  • A = (0, 0.5)
  • F = (0, 6.5)

Distance between points A and F 6.3 units

Learn more distance between two points here;

brainly.com/question/28551043

#SPJ1

4 0
1 year ago
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