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Zanzabum
3 years ago
7

2• 1 1/2 please help

Mathematics
2 answers:
Reika [66]3 years ago
8 0

Answer :-

2.11/2 =1.055,,

igor_vitrenko [27]3 years ago
6 0

Answer:

3

Step-by-step explanation:

Method 1:

First, we can convert 1 1/2 to 3/2.

So 2 • 1 1/2 becomes  2 • 3/2.

The 2s cancel, so the answer is 3.

Method 2:

Since 1 1/2 is just 1+1/2, the problem becomes

2(1+1/2)

Expanding, we have

2+2(1/2)

or

2+1.

Since 2+1 is 3, the answer is 3.

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2 years ago
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11) Determine if the following numbers are<br> prime, composite or neither.<br> 13
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6 0
3 years ago
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45 units and is centered at
mariarad [96]

The correct question is:

A circle has a radius of 45 units and is centered at (-2.4, -4.8).

What is the equation of this circle?

Answer:

Equation of the circle is;

(x + 2.4)² + (y + 4.8)² = 2304

Step-by-step explanation:

The standard equation of a circle is;

(x - a)² + (y - b)²  =  r²

where;

(a,b) is the center of the circle and r is the radius of the circle

Now, from the question, the circle is centered at (-2.4, -4.8) and the radius is 45

Thus, plugging those values into the standard form of equation of a circle, we have;

(x - (-2.4))²  +  (y - (-4.8))²  = 48²

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3 0
3 years ago
Anyone know how to do trig? Given tan Ф = 4/5, find all other trig functions.
mars1129 [50]

9514 1404 393

Answer:

  • sin(Ф) = (4/41)√41; csc(Ф) = (√41)/4
  • cos(Ф) = (5/41)√41; sec(Ф) = (√41)/5
  • tan(Ф) = 4/5; cot(Ф) = 5/4

Step-by-step explanation:

The mnemonic SOH CAH TOA can help you with three of the functions. Then you need to remember the relations between those and the other three.

  Tan = Opposite/Adjacent

  tan(Ф) = 4/5

This suggests you can draw a triangle like the one attached that has adjacent side 5 and opposite side 4. Then hypotenuse can be found from the Pythagorean theorem:

  AC² = AB² +BC² = 5² +4² = 41

  AC = √41 . . . . . hypotenuse

Then the other trig functions are ...

  Sin = Opposite/Hypotenuse

  sin(Ф) = 4/√41 = (4/41)√41

  Cos = Adjacent/Hypotenuse

  cos(Ф) = 5/√41 = (5/41)√41

And the reciprocal functions are ...

  csc(Ф) = 1/sin(Ф) = (√41)/4

  sec(Ф) = 1/cos(Ф) = (√41)/5

  cot(Ф) = 1/tan(Ф) = 5/4

7 0
3 years ago
Can someone help plzzz
slava [35]
Z = 106
x = 32

Z
180 - 74 because SSI
X
Set Z equal to equation because Alt. Int. Angles
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