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jeyben [28]
3 years ago
9

Please help!!!! Tell me whether it’s a equation or not pleasr

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
3 0
This answer is a equation, my teacher told me this
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Solve the triangle if c = 10 and A = 50 degrees
Nata [24]

Answer:

Step-by-step explanation:

Since A = 50 degrees, c = 10 ,and since it is a right Triangle, then C = 90 degrees and so B = 180 - (90 +50)......... sum of angles of a triangle

                            B = 180 - 140

                             B = 40 degrees

Using sine rule : a/sin A = b / sin B = c / sin C

To calculate a, then we use a/ sin A = c / sin C , since we know c and C

i.e a/ sin 50 = 10 / sin 90

recall that sin 90  = 1

then we have a / sin 50 = 10 / 1

cross multiply

a = 10 x sin 50

 a = 10 x 0.76604

  a = 7.6604

We will calculate b following the same procedure

b/ sin B = c / sin C

b/ sin 40 = 10/ sin 90

b/ sin 40 = 10/ 1

           b = 10 x sin 40

            b = 10 x 0.64279

             b = 6.4279

Therefore a ≈7.6604  , b ≈ 6.4279

7 0
3 years ago
Find the volume of the composite space figure to the nearest whole number.
Virty [35]
B. 180cm3

You have to find length, width, and height of both objects.

For the first one multiply:
3 x 8 x 5 = 120

Then multiply:
2 x 5 x 6 = 60

Add them together:

120 + 60 = 180cm3
8 0
3 years ago
Write a story problem that includes 8 and 12
My name is Ann [436]

Answer:

Claire owed Martha $8 she originally owed Martha 12 but already gave her 4 this was a problem for Claire considering she only got $4 a week



7 0
3 years ago
Type your response in the box.
zysi [14]

Step-by-step explanation:

<u>Pattern 1</u> :

Arithmetic Sequence

Common term = 4

<u>Pattern 2</u> :

Geometric Sequence

Common ratio = 2

7 0
3 years ago
What is the sum of the interior angles of the polygon pictured below?
kkurt [141]

3420°

explanation:

the equation of the sum of interior angles are (n-2)x180

polygon above has 21 sides so you sub n as 21 and plug the equation in the calculator

8 0
3 years ago
Read 2 more answers
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