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ipn [44]
3 years ago
14

How many elements are in the set {A,B,C}? 3 1 6

Mathematics
2 answers:
AlekseyPX3 years ago
6 0

Number of elements is 3

Step-by-step explanation:

  • Step 1: Find number of elements in the set.

Number of elements in {A,B,C} = 3

Vladimir [108]3 years ago
4 0

The number of elements is 3

Find number of elements in the set.

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Ilya [14]

Answer:

6.13

Step-by-step explanation:

Using Sine Law we know that

\dfrac{a}{SinA}=\dfrac{b}{SinB}=\dfrac{c}{SinC}

Using your figure let's assign sides and angles:

A=? B = 60° C = 70°

a = 5 b = ? c = x

If we put that into our formula:

\dfrac{5}{Sin?}=\dfrac{?}{Sin60}=\dfrac{x}{Sin70}

Notice that we have too many unknowns. We need to complete at least one ratio to do this, so how do we do this?

Notice we have 2 angles given, so we solve for the third angle. The sum of all angles in any triangle is always 180°

∠A + ∠B + ∠C= 180°

∠A + 60° + 70° = 180°

∠A + 130° = 180°

∠A = 180° - 130°

∠A = 50°

Now we can use this to solve for x.

\dfrac{5}{Sin50}=\dfrac{x}{Sin70}\\\\\dfrac{(5)(Sin70)}{Sin50} = x\\\\\dfrac{4.6985}{0.7660}=x\\\\6.1338 =x

So the closest answer would be 6.13

5 0
4 years ago
Read 2 more answers
Hi, can someone help with this 8th grade math question?
Norma-Jean [14]
They multiplied 3 by itself 4 times, so it’s 3^4
3 0
3 years ago
ALGEBRA 1 ASSIGNMENT QUESTIONS
Nezavi [6.7K]
1. 81 1/2 = 163/2
2. 32 1/5 - 64 1/3 =
   483/15 - 965/15 =
    -482/15 or -32 2/15
3. 16 1/4 = 65/4
4. 49 1/2 + 27 1/3 =
    99/2 + 82/3 =
    297/6 + 164/6 =
    461/6 or 76 5/6
7 0
4 years ago
Please help!!!!!!!!!
solmaris [256]

Answer:

-4q+\frac{40}{3}

Step-by-step explanation:

distribute \frac{-4}{3} on the bracket. So, (3)(\frac{-4}{3})q-(10)(\frac{-4}{3})=-4q+\frac{40}{3}

5 0
3 years ago
What is the equation of ( 1, 6) and (2, 3) and (4, 15).
anygoal [31]

Answer:

y = − 3 x + 9

Step-by-step explanation:

8 0
3 years ago
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