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3 years ago

Solve each equation 2x + 2+x= -22

Mathematics

2 answers:

mina [271]3 years ago

4 0

Answer:

x = - 8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2x + 2 + x = - 22

(2x + x) + (2) = - 22

3x + 2 = - 22

3x + 2 = - 22

Step 2: Subtract 2 from both sides.

3x + 2 - 2 = - 22 - 2

3x = - 24

Step 3: Divide both sides by 3.

(3x/3) = (- 24/3)

x = - 8

vodomira [7]3 years ago

3 0

Answer:

-8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2x+2+x=−22

(2x+x)+(2)=−22(Combine Like Terms)

3x+2=−22

Step 2: Subtract 2 from both sides.

3x+2−2=−22−2

3x=−24

Step 3: Divide both sides by 3.

−24

x=−8

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3 years ago

(1 point) Find the limit, if it exists, or type DNE if it does not exist. A. lim(x,y)→(0,0)(x+5y)2x2+25y2=lim(x,y)→(0,0)(x+5y)2x

statuscvo [17]

Answer:

A. DNE. The limit does not exist.

B. The limit is 0

Step-by-step explanation:

A. lim(x,y)→(0,0)[(x + 5y)/(2x² + 25y²)]

Along the x axis, y = 0, the limit becomes:

lim(x)→(0)[x/2x²]

= lim(x)→(0)[1/2x] = infinity

Along the y axis, x = 0, the limit becomes

lim(y)→(0)[5y/25y²]

= lim(y)→(0)[1/5y] = infinity

DNE

B. lim(x,y)→(0,0)[(2x³ + 7y³)/(x² + y²)

Putting x = rcosθ, and y = rsinθ, the limit becomes

lim(r)→(0)[(2r³cos³θ + 7r³sin³θ)/(r²cos²θ + r²sin²θ)]

Because cos²θ + sin²θ = 1, the limit becomes:

= lim(r)→(0)[r³(2cos³θ + 7sin³θ)/r²]

= lim(r)→(0)[r(2cos³θ + 7sin³θ)]

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The limit is 0

4 0

3 years ago

What is the area of parallelogram ABCD? ____ square units

valentinak56 [21]

Answer:

Step-by-step explanation:

Here's a method of finding the area of any polygon knowing its vertices. I'm using this parallelogram as an example.

Make a table like this (each vertex with its x- and y-coordinates):

Pt x y

A 3 6

B 6 5

C 5 1

D 2 2

A 3 6

Now multiply each x-coordinate by the y-coordinate on the line below and write it on the right side. Bold type shows the first multiplication.

x y

A 3 6

B 6 5 15

C 5 1 6

D 2 2 10

A 3 6 12

Now multiply each y-coordinate by the x-coordinate on the line below and subtract from each produce you already have. Do each subtraction. Bold type shows the first multiplication.

x y

A 3 6

B 6 5 15 - 36 = -21

C 5 1 6 - 25 = -19

D 2 2 10 - 2 = 8

A 3 6 12 - 6 = 6

Add all the differences.

x y

A 3 6

B 6 5 15 - 36 = -21

C 5 1 6 - 25 = -19

D 2 2 10 - 2 = 8

A 3 6 12 - 6 = 6

+____

-26

The area of the polygon is the absolute value of half of the sum of the differences.

area = |-26/2| = |-13| = 13

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3 years ago

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balandron [24]

The expression representing the distance is
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3 years ago

Solve for x: 7x + 15 = 38

oksano4ka [1.4K]

All you do is move all the terms that don't contain " x " to the right side and solve.

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Hope that helps, Good luck! (:

8 0

3 years ago

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Solve each equation 2x + 2+x= -22​

Solve each equation 2x + 2+x= -22