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just olya [345]
3 years ago
13

The side of a box has length x feet, and another side has length (x-7) feet. What value of a would produce an area of 18 square

feet?
Mathematics
1 answer:
kozerog [31]3 years ago
5 0

Answer:

x=9

Step-by-step explanation:

(9-7) = 2

9 times 2 = 18 square feet

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Which of the following shows the correct value of 50
Orlov [11]

Answer:

None of the options is correct

Step-by-step explanation:

It is important to know that he expression a < x < b means that x is greater than a and less than b. So, for finding the correct value let's analyse each option.

A. 4 < 50 < 5

50 is greater than 4 but it is not less than 5, so, option A is incorrect.

B. 7 < 50 < 8

50 is greater than 7 but it is not less than 8, so, option B is incorrect.

C. 8 < 50 < 9

50 is greater than 8 but it is not less than 9, so, option C is incorrect.

D. 10 < 50 < 11

50 is greater than 10 but it is not less than 11, so, option D is incorrect.

Thus, none of the options is correct.

8 0
3 years ago
Solve (x + 2) (x + 3) + (x – 3) (x – 2) – 2x(x + 1) = 0<br> x = 5<br> x = 6<br> x = 7<br> x = 8
Anna11 [10]

Answer:

x = 6

Step-by-step explanation:

3 0
3 years ago
If you apply the changes below to the absolute value parent function, f(x) = |x|, what is the equation of the new function?Shift
Serjik [45]

Answer: C

<u>Step-by-step explanation:</u>

The general form of the equation is: g(x) = a|x - h| + k  ;

  • "a" represents the vertical stretch <em>(or shrink)</em>
  • "h" represents the x-coordinate of the vertex (left and right)
  • "k" represents the y-coordinate of the vertex (up and down)

4 units left means h = 4

2 units up means k = 2

--> g(x) = |x - 4| + 2

8 0
3 years ago
Read 2 more answers
Matt plans to put concrete on a rectangular portion of his driveway. The portion is 8 feet long and 4 inches high. The price of
Veronika [31]
The dimensions given are 8 feet length and 4 inches height. The volume of the rectangular portion is $58.07 divided by $98 per cubic yard equal to 0.59255 cubic yards. 8 feet is equal to 8/3 yards and 4 inches is equal to 1/9 yards. Hence the width is equal to 0.59255 cubic yards / (8/3)/(1/9) yards2 equal to 2 yards
6 0
3 years ago
Graph the system of inequalities y&lt;5x-1, y<img src="https://tex.z-dn.net/?f=%20%5Cgeq%20" id="TexFormula1" title=" \geq " alt
zhannawk [14.2K]
The inequalities that are given in this item are given below,
       y < 5x - 1
       y ≥ -3x +4

We dropped the inequalities sign to solve for the values of x and y for the intersection.
      y = 5x - 1
      y = 3x + 4

Substituting the y from the first equation to the y of the second equation,
     5x - 1 = 3x + 4
    2x = 5
    x = 5/2

Substituting for y,
      y = (5)(5/2) - 1
      y = 25/2 - 1 = 11.5

The intersection is (5/2, 11.5)

The solutions of the system of inequalities lie in the 3rd and 4th quadrants. 
6 0
3 years ago
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