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sineoko [7]
2 years ago
8

I need to show my work & have the correct answer, may someone help , I'm really bad at math

Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
4 0
See picture for answers

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PLEASE HELP me with the magic square
defon

Fill in each slot in the square with variables <em>a</em>, <em>b</em>, <em>c</em>, <em>d</em>, and <em>e</em>, in order from left-to-right, top-to-bottom. In a magic square, the sums across rows, columns, and diagonals all add up to the same number called the <em>magic sum</em>.

The magic sum is -3.9, since "diagonal 2" (bottom left to top right) has all the information we need:

3 + (-1.3) + (-5.6) = -3.9

Use this to find the remaining elements

  • row 1:

<em>a</em> + <em>b</em> + (-5.6) = -3.9

  • row 2:

<em>c</em> + (-1.3) + <em>d</em> = -3.9

  • row 3:

3 + <em>e</em> + 0.02 = -3.9

  • column 1:

<em>a</em> + <em>c</em> + 3 = -3.9

  • column 2:

<em>b</em> + (-1.3) + <em>e</em> = -3.9

  • column 3:

(-5.6) + <em>d</em> + 0.02 = -3.9

  • diagonal 1 (top left to bottom right):

<em>a</em> + (-1.3) + 0.02 = -3.9

You will find

<em>a</em> = -2.62

<em>b</em> = 4.32

<em>c</em> = -4.28

<em>d</em> = 1.68

<em>e</em> = -6.92

5 0
2 years ago
The distance between two cities on a map is 3.5 centimeters. The map uses a scale in which 1 centimeter represents 20 kilometers
zhenek [66]
1 cm = 20 km

so 3.5 cm would equal : 3.5 * 20 = 70 km <==
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3 years ago
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Tom [10]

Answer:

It is a function

Step-by-step explanation:

The line doesn't pass through the graph twice

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3 years ago
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I'm gonna cry I don't get this​
snow_tiger [21]

Answer:

d=14

Step-by-step explanation:

Divide both sides by the numeric factor on the left side, then solve.

so the answer is d=14

6 0
2 years ago
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I need help with this question
Ghella [55]

{6}^{2}  -  {5}^{2}  \\ 36 - 25 \\ 11
the answer is 11
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