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igor_vitrenko [27]
2 years ago
14

Please help mee!!!

{-2}=-1" alt="\frac{x+6}{-2}=-1" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
amid [387]2 years ago
8 0

Answer:

Move the negative sign to the left.

-x+6/2=-1

Multiply both sides by 2

-x-6=-1 x 2

simplify 1 x 2 to 2

-x-6=-2

add 6 to both sides

-x=-2+6

simplidy -2+6 to 4

-x=4

multiply both sides by -1

x=-4

Step-by-step explanation:

Misha Larkins [42]2 years ago
3 0
Multiply both sides with -2
X + 6 = 2
X = 2 - 6
X = -4

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Among all pairs of numbers with a sum of 238238, find the pair whose product is maximum. Write your answers as fractions reduced
mylen [45]

Answer:

x=119119,\;\;\;y=119119

Step-by-step explanation:

Let the x be the first number, y be the second number and p be the product of the first and second number.

i.e  x+y=238238   \Rightarrow x=238238-y

      p=xy

   \Rightarrow p=(238238-y)y\\\Rightarrow p=238238y-y^2

\Rightarrow \frac{dp}{dy} =238238-2y\\\Rightarrow 0=238238-2y\\\Rightarrow 2y=238238\\\Rightarrow y=119119

Now,

x=238238-119119\\\\ \Rightarrow x=119119

Hence, x=119119,\;\;\;y=119119

   

8 0
2 years ago
A particle moves in the xy plane starting from time = 0 second and position (1m, 2m) with a velocity of v>=2i-4tj^
guapka [62]

Given :

A particle moves in the xy plane starting from time = 0 second and position (1m, 2m) with a velocity of v=2i-4tj  .

To Find :

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B. The acceleration of the particle at any time t .

Solution :

A )

Position of vector v is given by :

d=\int\limits {v} \, dt\\\\d=\int\limits {(2i-4tj)} \, dt \\\\d=(2t)i+\dfrac{4t^2}{2}j\\\\d=(2t)i+(2t^2)j

B )

Acceleration a is given by :

a=\dfrac{dv}{dt}\\\\a=\dfrac{2i-4tj}{dt}\\\\a=\dfrac{2i}{dt}-\dfrac{4tj}{dt}\\\\a=0-4j\\\\a=-4j

Hence , this is the required solution .

5 0
3 years ago
What is the value of x?<br><br> 3<br> 4<br> 6<br> 8
bekas [8.4K]
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We can even find the y value by making it equal to 10, which is 3.
8 0
3 years ago
Read 2 more answers
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Lisa [10]

Answer:

8

Step-by-step explanation:

dog=3x

cat=x

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4x=32

4/4

32/4

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3(8)=24

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So she trained 24 dogs and 8 cats

6 0
2 years ago
The exponent equivalent of 20 x 20 x 20 is
geniusboy [140]

Answer:

20 to the 5th power

Step-by-step explanation:

7 0
3 years ago
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