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Whitepunk [10]
3 years ago
13

1/2x+3=-1 solve for x

Mathematics
2 answers:
Stels [109]3 years ago
6 0

Answer:

x = -8

Step-by-step explanation:

To solve for x, you want to isolate it (meaning it's the only thing on that side of the equation). To begin, subtract 3 from both sides this'll leave you with

1/2x = -4

To get rid of the 1/2 in front of x, you need to multiply it (both sides of the equation) by the reciprical.

(2)1/2x = -2(2)

x = -8

3241004551 [841]3 years ago
3 0

=−8 lllllllllllllllll

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length of the Royal Gorge Bridge in Colorado is 320 m. This is one-fourth the length of the Golden Gate Bridge. Find the length
bonufazy [111]
One fourth of 320 m is 80 meters.

hope I helped! any other questions I'm happy to answer.
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4 years ago
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What is the area of that figure??
pochemuha

Answer:

It's 51 square inches. You can multiply 12x8 and subtract 9x5 from that.

4 0
3 years ago
Find the perimeter of a quadrilateral with vertices at C (-1,2), D (-2,-1), E (2,-2), and F (1,1). Round to the nearest hundredt
stealth61 [152]
To answer, find the distance from point C to D, point D to E, point E to F, and point F to C. The formula for the distance is,
                                     d = sqrt ((x2 - x1)² + (y2 - y1)²)
  Point C to D                d1 = sqrt ((-3 - -2)² + (1 - 4)²) = 3.16 units
  Point D to E                d2 = sqrt ((1 - -3)² + (0 - 1)²) = 4.12 units
  Point E to F                 d3 = sqrt ((-1 - 1)² + (2 - 0)²) = 2.83 units
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7 0
3 years ago
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Write the equation of the line given the points (2,0) and (3.-1)
Juli2301 [7.4K]

Answer:

y = -1x + 2

Step-by-step explanation:

We need to find y = mx + b

Use the following equation

\frac{y_2-y_1}{x_2-x_1}

Plug in the values

\frac{-1-0}{3-2}  = \frac{-1}{1} = -1

We have found the slope(m) which is -1

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Plug in any given x,y into the slope formula

-1 = -1(3) + b

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2 = b

At last the formula is

y = -1x + 2

7 0
3 years ago
The perimeter of a parallelogram is 72 meters. The length of the parallelogram is 4 meters less than its width. What is the leng
Alexeev081 [22]
A parallelogram has 4 sides.
So, we divide 72, the meters of the parallelogram. = 18
Now, the length is 4 more, so we add. 18+4=22
The length is 22.

Now, both lengths are 22, so double is 44; subtract 44 from 72. 72-44=28
In conclusion, we divided 28 by 2 to get the width of both sides.28/2=14
The width is 14.
6 0
3 years ago
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