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Y_Kistochka [10]
3 years ago
7

Solve following equation 3+x+1 =2

Mathematics
2 answers:
Rufina [12.5K]3 years ago
5 0

Answer:

x = -2

Step-by-step explanation:

4 + x = 2

-4 -4

x = -2

Hope this helps!!

puteri [66]3 years ago
3 0

Answer:

x = -2

Step-by-step explanation:

first we have to get the variable and the numbers separated

3 + x + 1 - 3 = x + 1

2 - 3 = -1

x + 1 - 1 = x

-1 - 1 = -2

now you have the variable and the number(s) on opposite sides

x = -2

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BartSMP [9]
F(x) = x - 2sinx

To find for what values of x graph has tangents we need to differentiate function f(x).
f'(x) = 1-2cosx
Now, if we want to have horizontal tangents we need to make function f'(x) equal to 0 because at minimum or maximum of function f(x) tangent is horizontal.

1-2cosx = 0
cosx = 1/2
x = pi/3 + 2*n*pi      and
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Explanation: cosx = 1/2 for both 60° and -60°. If we make one circle cosx will be equal to 1/2 for 420 and 300 degrees. Writing degrees in radians (using pi) we can write formulas above where 2*pi represents one full circle and n is an integer which represents how many circles we made.
5 0
3 years ago
Someone know this question??
Bogdan [553]
Hhhhmmmmm...

13.50 for food
2.40 for drink

Since there is a voucher for 1/3 of food,

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9 is the final cost for the food.

Add 9 to 2.40 for the drink which results in a total of 11.40

To find the amount charged for service you multiply 11.40 by .15

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7 0
3 years ago
I need the anwser and the fractions
alexandr1967 [171]

Answer:

5.5/3 - 3/1 = 2.5/3

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Sound travels through sea water at a speed of about 1500 meters per second. At this rate, how far will sound travel in 2 minutes
Mariulka [41]

Answer:

180,000 m

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8 0
3 years ago
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AleksandrR [38]

Answer:

yltkh

Step-by-step explanation:

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Read 2 more answers
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