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xz_007 [3.2K]
2 years ago
8

Simplify the following expression: 3[(x^3– 7 x + 1) – (x+ 4)]

Mathematics
1 answer:
Alona [7]2 years ago
5 0

Answer:

15 - 9

Step-by-step explanation:

3[( 3x - 7x plus 1) - (x plus 4)]

3[(-4x plus 1) - x-4

3[-4x plus 1 -x-4

3[-4x-x plus 1-4]

3[fivex -3]

fifteen x - 9

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Margarita [4]

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51 degrees

Step-by-step explanation:

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7 0
3 years ago
Convert 3upon4 in persentage:<br>1. 25%<br>2. 50%<br>3. 1%<br>4. 75%​
Charra [1.4K]

Answer:

75%

Step-by-step explanation:

Think of it this way. 3 quarters is 75 cents. It's the same as 3/4, since 4 quarters makes $1.00.

3 0
3 years ago
Pls guys help me with this i will give u more points!
gtnhenbr [62]

3x - 4y =  - 6 \\  - 2x + y = 1

<em>The Ordered pair of solution will be (x,y)=(2,3)</em>

\red{ \rule{35pt}{2pt}} \orange{ \rule{35pt}{2pt}} \color{yellow}{ \rule{35pt} {2pt}} \green{ \rule{35pt} {2pt}} \blue{ \rule{35pt} {2pt}} \purple{ \rule{35pt} {2pt}}

<h3>Steps below⤵️</h3>

  • Solve the second equation for y
  • Substitute the given value of y into the first equation
  • Solve the first equation for x
  • Substitute the given value of x into the second equation
  • Solve the equation for y
  • The possible solution of the system is the ordered pair (x,y)
  • And we are done solving!!~

5 0
2 years ago
The length of a rectangular garden is 9 feet longer than its width. the garden's perimeter is 202 feet. find the length of the g
Harman [31]
202 - 18 = 184 (the length is 9ft longer than the width, and you double the length to find the perimeter, so you double the 9)
184 ÷ 4 = 46 (4 being the 4 sides of the rectangle)
width = 46
length = 46 + 9 = 55

55 x 46 = 2530

Area = 2530ft²
6 0
3 years ago
A triangle has the following vertices (-1,1), (6,-2)and (3,5) if the scale factor of 3, what will be the vertices of the image
olga2289 [7]

Answer:

  a.  (-3,3), (18,-6), (9,15)

Step-by-step explanation:

If the scale factor is 3 and dilation is about the origin, each of the coordinates of the pre-image is multiplied by 3 to get the coordinates of the image.

Multiplying (-1, 1) by 3 gives (-3, 3), which matches choices A and C.

Multiplying (6, -2) by 3 gives (18, -6) which matches choices A and D.

The only viable choice is choice A.

4 0
3 years ago
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