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Irina-Kira [14]
3 years ago
14

Find the value of x 2/3 x -4 = 2

Mathematics
1 answer:
Dovator [93]3 years ago
7 0
Answer:
X=9

Explanation
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Solve cos x + rad 2 = -cos x for over the interval [0, 2pi ]
Kamila [148]
cos x + \sqrt{2} = -cosx \\  \\ 2 cos x + \sqrt{2} = 0 \\  \\ cos x = -\frac{\sqrt{2}}{2}

The cosine function is negative in 2nd and 3rd quadrants, So you know that you will have 2 solutions. One between pi/2 and pi, the other between pi and 3pi/2.

Refer to a unit circle to find that 
cos (\frac{3\pi}{4}) = -\frac{\sqrt{2}}{2}  \\  \\ cos (\frac{5\pi}{4}) = -\frac{\sqrt{2}}{2}

Final Answer:
x = \frac{3\pi}{4}, \frac{5\pi}{4}
6 0
3 years ago
I will apreciate your help ​
romanna [79]

Answer:

Yes, Rob can ship all of the eggs in the same shipment

Step-by-step explanation:

We have 8,064 eggs to ship.  If the eggs are placed in cartons of twelve eggs each, we know 8,064 eggs * \frac{1 carton}{12 eggs} = 672 cartons

We also know each box holds 24 cartons, so

672 cartons * \frac{1 box}{24 cartons} = 28 shipping boxes

We have 28 boxes to ship, and the shipper can handle any number less than or equal to 30 boxes.

7 0
3 years ago
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A family of 8 has 3 of them being males what proportion of the family is female​
inessss [21]

Answer: not very sure but i think that may be 5

Step-by-step explanation:

4 0
3 years ago
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The sum of two numbers is 240. If one number is twice the other number, find the two numbers.
Deffense [45]

Answer:

The sum of two numbers is 240. The larger number is 6 less than twice the smaller. Find the numbers.

----------

Let the smaller be "x" ; Larger is "2x-6"

EQUATION:

x + 2x-6 = 240

3x= 246

x = 82 (smaller)

2x-6 = 158 (larger)

Step-by-step explanation:

7 0
3 years ago
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The cash price of a television is $1475. The hire-purchase price of the television is $1651. The hire-purchase price is a deposi
OLEGan [10]

Answer:  20.00%

Step-by-step explanation:

We are not told the amount of the deposit, so I will assume that the difference of the hire-purchase price ($1651) and the total payments of 12*$113 = ($1356) is the deposit.  The amounts to $295.

As a percentage of the cash-purchase price:  $295/$1475 = 20.00%

3 0
3 years ago
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