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astraxan [27]
2 years ago
14

when I double my number subtract three subtract my number and add four I get my number plus two what is my number

Mathematics
1 answer:
Airida [17]2 years ago
8 0

Answer:

x+1

Step-by-step explanation:

x * 2 -3 - x + 4 =

2x - 3 - x + 4

x - 3+4 = x+1

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Justin wanted to wrap his moms birthday present shaped like a rectangular prism with pretty paper. The box is 2.1 feet long, 2.7
JulijaS [17]

Answer:

42.06 ft²

Step-by-step explanation:

          2 sides = 2(2.7 ft × 3.2 ft) = 2 × 8.64 ft² =   17.28 ft²

 Front + back =  2(2.1 ft × 3.2 ft) = 2 × 6.72 ft² =   13.44 ft²

Top + bottom =   2(2.1 ft × 2.7 ft) = 2 × 5.67 ft² =   <u>11.34 ft² </u>

                                                         Total area = 42.06 ft²

   

5 0
3 years ago
(16+5i) + (6-7i)<br>How do I solve this?​
Fantom [35]

Answer:

\large\boxed{(16+5i)+(6-7i)=22-2i}

Step-by-step explanation:

(16+5i)+(6-7i)=16+5i+6+7i\qquad\text{combine like terms}\\\\=(16+6)+(5i-7i)=22-2i

5 0
3 years ago
Read 2 more answers
HELP ME PLEASEEEEEEEEEEEE !!!!!
GarryVolchara [31]
He got 4 percent right. 16 percent of 15 is 4 :)
4 0
3 years ago
Find the area of the region enclosed by the graph of $x^2 + y^2 = 2x - 6y + 6$
Luda [366]

Answer:

  16π ≈ 50.27 square units

Step-by-step explanation:

The equation is that of a circle of radius 4. The area of a circle is given by ...

  A = πr²

  A = π(4²) = 16π ≈ 50.27 . . . . square units

_____

The equation can be put into the standard form for a circle to find its radius.

  (x^2 -2x) +(y^2 +6y) = 6 . . . . collect variable terms on the left

  (x^2 -2x +1) +(y^2 +6y +9) = 6 + 1 + 9 = 16 . . . . . complete the squares

  (x -1)^2 +(y +3)^2 = 4^2 . . . . . the radius is 4

Compare to the form ...

  (x -h)^2 +(y -k)^2 = r^2 . . . . circle of radius r centered at (h, k)

7 0
3 years ago
What is the solution set of the quadratic inequality 6x2 + 1 &lt;_ 0
padilas [110]

Answer : x^2\leq -1/6

Explanation:

6x^2 +1 \leq 0

shifting 1 to Right hand side becomes -1

6x^2\leq -1

shifting 6 on right hand side will divide -1 becomes -1/6

x^2\leq -1/6

Quadratic equation is the equation having degree 2 and inequality which is not  equal  to right hand side

7 0
3 years ago
Read 2 more answers
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