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soldi70 [24.7K]
3 years ago
13

Someone please help me

Mathematics
1 answer:
olganol [36]3 years ago
8 0

Step-by-step explanation:

<h2>A^2 + B^2 = C^2 </h2>

A and B are the legs of the triangles.

C is the hypotenuse.

12^2 + x^2 = 20^2

144 + x^2 = 400

-144            -144

x^2 = 256

x = 16

The length of the second leg is 16.

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Suppose that P(A) = 0.25 and P(B) = 0.40 . If P(A|B)=0.20 , what is P(B|A) ?
Ket [755]

Answer:

  • 0.32

Step-by-step explanation:

<u>Use of formula:</u>

  • P(A and B) = P(A)*P(B|A) and
  • P(A and B) = P(B)*P(A|B)

<u>According to above and based on given:</u>

  • P(A)P(B|A) = P(B)P(A|B)
  • P(B|A) = P(A|B)*P(B)/P(A)
  • P(B|A) = 0.20*0.40/0.25 = 0.32
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3 years ago
PLEEEAAASSSEEE HELP ME I NEED IT IT'S URGENT!!!
Annette [7]
I think number 2 is 5
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3 years ago
Read 2 more answers
Help ..<br><br><br><br> 3(x+2)=5x+1-2x+5
Hunter-Best [27]

Answer:

All real numbers are solutions

Step-by-step explanation:

Let's solve your equation step-by-step

3(x+2)=5x+1−2x+5

Step 1: Simplify both sides of the equation

3(x+2)=5x+1−2x+5

(3)(x)+(3)(2)=5x+1+−2x+5(Distribute)

3x+6=5x+1+−2x+5

3x+6=(5x+−2x)+(1+5)(Combine Like Terms)

3x+6=3x+6

3x+6=3x+6

Step 2: Subtract 3x from both sides

3x+6−3x=3x+6−3x

6=6

Step 3: Subtract 6 from both sides

6−6=6−6

0=0

8 0
3 years ago
Given g(x)=3x+6 on what interval is the function negative
iris [78.8K]

Step-by-step explanation:

A number that is negative is less than 0, so

3x + 6 < 0

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x <  - 2

So this function is negative, when x is less than -2

4 0
2 years ago
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In an atom, electrons have a negative charge and protons have a positive charge. One negative and
Ostrovityanka [42]

Answer:

The charge is negative and the amount is 215

Step-by-step explanation:

Electrons are negative

-354

Protons are positive

+139

-354+139

-215

6 0
3 years ago
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