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Oduvanchick [21]
3 years ago
8

Find The Number of Combinations 9C3

Mathematics
1 answer:
tiny-mole [99]3 years ago
4 0

Answer:

Step-by-step explanation:

9C3=\frac{9*8*7}{3*2*1} =84

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Solve each triangle - find any missing side and angle measures. Round answers to the nearest tenth.
Basile [38]

The sides of the right-angle triangle will be 16 units and 20.30 units. And the missing angle will be 52°.

<h3>What is a right-angle triangle?</h3>

It's a form of a triangle with one 90-degree angle that follows Pythagoras' theorem and can be solved using the trigonometry function.

The side AC will be

tan 38° = 12.5 / AC

      AC = 15.999

      AC ≈ 16 units

Then the side AB will be

AB² = 12.5² + 16²

 AB = 20.30 units

We know that the angle sum is 180 degrees. Then we have

∠A + ∠B + ∠C = 180°

38° + ∠B + 90° = 180°

                  ∠B = 52°

More about the right-angle triangle link is given below.

brainly.com/question/3770177

#SPJ1

6 0
2 years ago
A dog is leashed to the corner of a house with an 18 foot leash. How much running area does the dog have?
Natasha_Volkova [10]
Find the area of 32 then you get it :)
5 0
3 years ago
Read 2 more answers
May you help me please I am stressed and struggling
alexandr402 [8]

Answer:

The answer would be 2x+4+3x+4, 5x+8, and 2(2x+4) +x

Step-by-step explanation:

Step 1. Simplify 2x+4+3x+4 into 5x (combine the x's) +8 (combine the 2 4's)
Step 2. Simplify 2(2x+4)= x into 4x + 8 + x (<-- distribute the 2 to the 2x and 4) and 4x+x would equal 5x meaning 5x + 8.
I hope that this helps! :)

3 0
2 years ago
4. Ms. Hope is five times as old as her daughter. The sum of
olga2289 [7]
5x+x=42
X=7
The daughter is 7
Check work 7 times 5 is 35, 35 plus 7 is 42
5 0
3 years ago
Which equation is a point-slope form of the equation of this line (-2, 1 ) and (1, 7 )
lana [24]

The point-slope formula:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have (-2, 1) and (1, 7).

Substitute:

m=\dfrac{7-1}{1-(-2)}=\dfrac{6}{3}=2

y-1=2(x-(-2))\\\\y-1=2(x+2)

6 0
3 years ago
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