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ANTONII [103]
3 years ago
10

Triangles Very Easy PIC INCLUDED

Mathematics
1 answer:
denpristay [2]3 years ago
8 0

Answer:

sin30° and cos60°

Step-by-step explanation:

We can see that we can use multiply trig identities to solve for <em>r</em>:

sin30° = r/20

r = 20sin30°

cos60° = r/20

r = 20cos60°

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Archy [21]

Answer:

x = 40

I hope this helps a little bit

6 0
3 years ago
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Edith works for x amount of hrs that pays $4 she also has accepted another job that pays $8 an hr working y amount of hrs she ca
igor_vitrenko [27]
<h2> S.O.L.V.E</h2>

  1. Study the problem
  2. Organize your facts
  3. Line up the problem
  4. Validate
  5. Explain
<h2 />

<h2><em>step</em><em> </em><em>1</em><em> </em><em>:</em><em>study</em><em> </em><em>the</em><em> </em><em>problem</em><em> </em></h2>

<em>write</em><em> </em><em>down</em><em> </em><em>your</em><em> </em><em>fact</em><em> </em><em>or</em><em> </em><em>what</em><em> </em><em>you</em><em> </em><em>know</em><em> </em><em>about</em><em> </em><em>the</em><em> </em><em>problem</em><em>. </em><em>also</em><em> </em><em>crossout</em><em> </em><em>unnecessary</em><em> </em><em>parts</em><em> </em><em>of</em><em> </em><em>the problem</em><em> </em><em>and</em><em> </em><em>highlight</em><em> </em><em>important</em><em> </em><em>information</em><em>.</em>

example: X = hours

<h2> </h2><h2>Step 2: organize your facts</h2>

organize your facts means put in order ,write what it means etc.

example: the problem say rebbeca has 3 3 times as much candy than Sara. what does the problem mean ?

<h2>Step 3 : line up your strategy. </h2><h3> what are your plans for solving this problem ? what operation will u do ? how much step is in this problem ? does this make sense ? in line up your strategy u have to think about why I'm doing this? how I will do this etc.</h3>

<h2>Step 4 : validate </h2>

<h3>"SOLVE THE PROBLEM"!</h3>

8 0
4 years ago
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
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erica [24]

Answer:

f ÷ 10

Step-by-step explanation:

We  want to write an expression

divided by means the number or variable before comes first, then the divided by symbol, then what comes after

f ÷ 10

7 0
2 years ago
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Burka [1]
64x^2+8xy/4xy^2. This should be what you’re looking for hopefully
7 0
3 years ago
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