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mafiozo [28]
3 years ago
6

Me ayudan xfaaaaaa (':​

Mathematics
1 answer:
IceJOKER [234]3 years ago
4 0

Answer:

2(z + 8) 3 \\

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1) The minimum thickness of Saturns A ring is one-tenth kilometer. Write this decimal using a negative exponent.
yulyashka [42]

Answer:

1)10^{-1}

2)2^{-2}

3)12^{-2}

Step-by-step explanation:

Using negative exponent rule:

1) one -tenth of kilometer =.1 =\frac{1}{10}=10^{-1}

Using negative exponent rule:

2) \frac{1}{4} =\frac{1}{2^{2} }=2^{-2}

Using negative exponent rule:

3)\frac{1}{144} =\frac{1}{12^{2} }= 12^{-2}


5 0
3 years ago
Problem 4:
Kipish [7]

Answer:

12cm and 16cm

Step-by-step explanation:

The hypotenuse of the right angle triangle  = 20cm

 let the other two sides be x and y;

 The difference;

                x  = y - 4

Problem:

Find x and y;

Solution:

According to the pythagoras theorem;

    x² + y² = 20²  ------ i

       x² + y² = 400 ----- i

and  x - y = 4 ---- ii

So;   x = 4 + y

Now input the value into equation (i);

  (y + 4)² + y² = 400

   (y+4)(y+4) + y² = 400

    y² + y² + 4y + 4y + 16 = 400

    2y² + 8y + 16 = 400

    2y² + 8y + 16 -400 = 0

   2y² + 8y - 384 = 0;

      y² + 4y - 192 = 0

Factorize the equation;

  y² + 16y - 12y - 192 = 0

  y(y + 16) - 12(y + 16) = 0

  (y-12)(y + 16) = 0

     y -12 = 0 or y+ 16 = 0

     y = 12 or -16

It is not realistic for the length of a body to be a negative value, so y= 12;

   since;

    x - y = 4,

    x = 4 + 12

    x = 16

5 0
4 years ago
The angle marked a = 120°.<br> Work out the value of x.<br><br> The diagram is not drawn accurately.
lapo4ka [179]
<h3>Answer:  x = 60</h3>

Work Shown:

a+x = 180

120+x = 180

x = 180-120

x = 60

Side note: angles 'a' and x are same side interior angles, which are supplementary whenever we have parallel lines like this.

8 0
3 years ago
Read 2 more answers
Plz answer.............
spayn [35]

Answer:

( - x, - y )

Step-by-step explanation:

The starting is always Quadrant I.

270 degrees clockwise from Quadrant I is Quadrant III.

In Quadrant III, the points will be in the form ( - x, - y ).

7 0
3 years ago
8.70 divided by 0.46
Galina-37 [17]

Answer:

19.3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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