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valkas [14]
3 years ago
11

According to a legend, the Chinese Emperor Yu-Huang saw a magic square on the back of a turtle. In a magic square, the numbers i

n each row and in each column have the same sum. This sum is called the magic sum.Complete the magic square so that each row and each column has a magic sum of 0. Each integer from −4 to 4 appears exactly once.

Mathematics
1 answer:
Oksana_A [137]3 years ago
6 0

Answer:

The ones in red are my answers and the one in black is given

Step-by-step explanation:

I hope it helps

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Which inequality has the solution set shown in the graph?
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Answer: The correct option is c

Step-by-step explanation:

From the graph shown in the given figure, we need to find the equation of the line. We will use the slope intercept equation to get the equation if the line.

Formula for slope intercept equation is

y = mx + c

where m is the slope and c is the intercept.

Slope, m = (change in value of y) / (change in value of x)

Slope = (y2 -y1) / (x2 -x2)

From the graph,

y2 = 0, y1 = 2

x2 = 2, x1 = 0

Slope, m= (0-2) / (2-0) = -2/2 = -1

Intercept from the graph is the point at which the line cuts the y axis an it is 2

So the equation is

y = -x + 2

From the graph,

The upper region was shaded( which means the lower region satisfies the equation) and the line of the equation is broken. So the equation is y lesser than -x + 2

The correct option is c

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3 years ago
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Using the following equation,find the center and radius of the circle <br><br> x^2 + 2x + y^2 +4y=20
Amiraneli [1.4K]

Answer:

center of x²+2x+y²+4y=20:(-1,-2),r=5

Step-by-step explanation:

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Hope this helps you! Have a great day.  :)

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How many terms are in this expression? k+99+3m
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Step-by-step explanation:

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A car averages 27 miles per gallon. If gas costs $4.04 per gallon, which of the following is closest to how much the gas would c
worty [1.4K]

Answer:

Option D is correct.

$408.04 the gas would cost for this car to travel 2,727 typical miles

Step-by-step explanation:

Unit rate defined as the rates are expressed as a quantity 1 such as 3 miles per second or 4 kilometer per hour

As per the statement:

A car averages 27 miles per gallon.

⇒\text{Unit rate per gallon} = 27 miles

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\text{Number of gallons}=\frac{\text{Total distance}}{\text{Unit rate per gallon}}

Substitute the given values we have;

\text{Number of gallons} = \frac{2727}{27} = 101

It is also given that if gas costs $4.04 per gallon.

then;

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then;

in 101 gallons of gas = 101 \cdot 4.04 = \$408.04

Therefore, $408.04 the gas would cost for this car to travel 2,727 typical miles

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