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djyliett [7]
3 years ago
7

Plis help I don’t have to do this plis !

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0
Orange have a great day or night
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Can someone help please? this is due soon. ill give brainliest
Iteru [2.4K]
Not sure but I think it’s B
4 0
3 years ago
Read 2 more answers
Analyze the diagram below and answer the question that follows
laiz [17]

Answer:

C. 40.2°

Step-by-step explanation:

Cosine rule (real handy to remember): c² = a² + b² - 2·a·b·cos(γ)

If you don't know this yet, look it up but in short: c, a and b are the lengths of the sides of the triangle, the angle opposite side a is called α, for b it is β and for c it is γ. That's the convention I've always used anyway, you can call them whatever of course. Anyhow:

c² = a² + b² - 2·a·b·cos(γ)

⇒ |AC|² = |AB|²+|BC|²-2·|AB|·|BC|·cos(∠B)

⇒ |AC|²-|AB|²-|BC|² = -2·|AB|·|BC|·cos(∠B)

⇒ ( |AC|²-|AB|²-|BC|² ) / ( -2·|AB|·|BC| ) = cos(∠B)

⇒ ∠B = arccos( ( |AC|²-|AB|²-|BC|² ) / ( -2·|AB|·|BC| ) )

         = arccos( ( 11²-16²-16² ) / ( -2·16·16 ) )

         = 40.21101958°

         ≈ 40.2°

6 0
2 years ago
What is 1/5 divided by 3?
Yuliya22 [10]
1/6 may be but in decimal i got 0.6
7 0
3 years ago
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Help please :) thank you.
fredd [130]

Answer:

Option (1).

Step-by-step explanation:

In the figure attached,

Houses of three friends Jo, Boris and Carrie are located at the vertices of a triangle.

They want to meet at a place which equidistant from these vertices.

A point in a triangle which is equidistant from the vertices is its Circumcenter.

A circumcenter of a triangle is a point of intersection of perpendicular bisectors of its sides.

Therefore, the next step to find the meeting place should be,

Option (1). They should find the midpoint of the segments which connect their houses.

5 0
4 years ago
Which expression is equivalent to r^9/r^3?<br> O r^3<br> O r^6<br> O r^12<br> O r^27
valkas [14]

Answer:

r^12 no r^6

Step-by-step explanation:

I was wrong it is r^6 r−9(−3) r−9+3=r−6

  • r-6 becomes 1 over r6

5 0
2 years ago
Read 2 more answers
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