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Svetllana [295]
4 years ago
15

How many perfect squares can be displayed on a calculator that can only show eight digits?

Mathematics
1 answer:
jeyben [28]4 years ago
3 0
For this type of question you take the square root of the amount of digits the calculator has. For example: 

This calculator has 8 digits so you have to take the square root of 100,000,000
b/c it has 8 zero's behind the one. 

you put 1 and add however many zeros behind that one but the zeros represent the amount of digits on the calculator so 

 square root of 100,000,000 is 10,000 then you subtract 1 

and you get 999,999. you subtract one b/c the number 0 is not considered a perfect square. Therefore, 999,999 is your answer.
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What is the circumference of a circle if the diameter is 12 in
Delvig [45]
Answer:  
______________________________________________________
The circumference (in terms of "π") is:  " 12π  in. " .
__________________________________________________________
The circumference (using "3.14" as an approximation for "π") is: " 37.7 in. " .
__________________________________________________________

Circumference, "C" = π* d ; (d = diameter = 12 in.); 

C = π* d = π * 12 in. = " 12π  in. "  (in terms of "π").

Or, using the approximation, "π ≈ 3.14" ;

C = 3.14 * (12 in.) = 37.68 inches ; round to:  " 37.7 in. " .
______________________________________________ 
6 0
3 years ago
Fill the table please. I’m giving the gold to the first person that answers.
Taya2010 [7]

Answer:

First row: 5(1)-4; 1; (1,1)

Second row: 5(2)-4; 6; (2,6)

Third row: 5(3)-4; 11; (3,11)

Step-by-step explanation:

Plug in the value of x to get the value for u then write the coordinates. So first value of x is 1 so put a 1 where the x is in this equation 5x -4. 5(1) - 4 =1 so the value of y is 1. So when x is 1 y is equal to 1 (1,1). Do the same for 2 and 3.

8 0
4 years ago
10)
Flura [38]
B. Would be your answer
6 0
4 years ago
Guys pls help me!!!!!!!
xxTIMURxx [149]

Answer:

64 degrees

Step-by-step explanation:

since x is corresponding to 64, they are congruent.

6 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST! Prove that a quadrilateral ABCD with vertices A(–1, –2), B( 2, –5), C(1, –2), and D( –2, 1) is a parallelo
Ilya [14]

Answer:

Step-by-step explanation:

To prove a quadrilateral a parallelogram we prove,

1). Length of opposite sides are equal.

2). Slopes of the opposite sides are same.

Length of AB = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

                      = \sqrt{(2+1)^2+(-5+2)^2}

                      = 3\sqrt{2}

Length of BC = \sqrt{(2-1)^2+(-5+2)^2}

                      = \sqrt{10}

Length of CD = \sqrt{(1+2)^2+(-2-1)^2}

                      = 3\sqrt{2}

Length of AD = \sqrt{(-1+2)^2+(-2-1)^2}

                      = \sqrt{10}

Therefore, AB = CD and BC = AD (Opposite sides are equal in length)

Slope of AB = \frac{y_2-y_1}{x_2-x_1}

                    = \frac{-5+2}{2+1}

                    = -1

Slope of BC = \frac{-5+2}{2-1}

                    = -3

Slope of CD = \frac{1+2}{-2-1}

                    = -1

Slope of AD = \frac{-2-1}{-1+2}

                    = -3

Slope of AB = slope of CD and slope of BC = slope AD

Therefore, AB║CD and BC║AD

Hence ABCD is a parallelogram

7 0
3 years ago
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