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irina [24]
3 years ago
12

Think of a number. Double it. Add six. Half it. Take away the number you started with. Your answer is 3.

Mathematics
1 answer:
worty [1.4K]3 years ago
4 0
(x\cdot2+6)\div2-x=3\\
(2x+6)\div 2-x=3\\
x+3-x=3\\
x-x=3-3\\
0=0

That number can be any real number.
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Tom decides to paint one wall in his room green. Use the dimensions below to calculate the area of the this wall.
Anton [14]

Option C:

Area of the wall =94\frac{15}{16} square feet

Solution:

Length of the wall = 12 \frac{1}{4} feet

Width of the wall = 7 \frac{3}{4} feet

Area of the wall = length × width

                          $=12 \frac{1}{4}\times 7 \frac{3}{4}  

Convert mixed fraction into improper fraction.

                          $=\frac{12 \times 4+1}{4}\times  \frac{7\times 4+3}{4}

                          $=\frac{49}{4}\times  \frac{31}{4}

                          $=\frac{1519}{16}

Convert improper fraction into mixed fraction.

                          $=94\frac{15}{16}

Area of the wall =94\frac{15}{16} square feet

Option C is the correct answer.

7 0
3 years ago
the equation f=v+at represents the final velocity of an object f, with an initial velocity,v, and an acceleration rate a,over ti
vfiekz [6]
F=v+at
f-v=at
(f-v)/t =a
the first choice is correct :)
3 0
3 years ago
Is the given point interior, exterior, or on the circle (x + 2)2 + (y - 3)2 = 81? R(6, 3)
ElenaW [278]
Hello : 
<span>(x + 2)² + (y-3)² = 9²
the center is : R(3 , 0 ) and radius   r = 9 
the </span> point D  is on the interior  if : RD <span>< 9
</span>the  point D  is on the exterior if :  RD > 9
 the  point D  is circumference of the circle if :RD = 9 
4 0
3 years ago
Read 2 more answers
Carmen likes to ski. The ski resort where she goes to ski got 3.2 feet of snow during a 5 day period. The average daily snowfall
vaieri [72.5K]

Answer:

0.64 feet or 7.68 inches of snow on average over the 5 days.

Step-by-step explanation:

3.2/5

0.64ft

7.68in.

4 0
3 years ago
Need help on my math!!!!!!
alexandr402 [8]
I believe the answer is 1/x-4

This is because the x-5 on the numerator and denominator cancel out
3 0
3 years ago
Read 2 more answers
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