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2 years ago

Does anyone know how to do this?

Mathematics

2 answers:

emmainna [20.7K]2 years ago

6 0

What is that lol
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S_A_V [24]2 years ago

3 0

Answer:

not me............................

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Center at (0, 0), radius 2

Step2247 [10]

Answer:

x² + y² = 4

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ← r is the radius]Here r = 2, thus

x² + y² = 4

6 0

3 years ago

Pls help me I idk how to do this anyone who helps gets a like but u have to tell the answer and pls explain find volume

IRISSAK [1]

Answer:

13(4++3-+$++3++3;3--+3;

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3 years ago

The chi-square test assesses whether the _____ observed in a cross-tabulation diverge from those one would expect under the null

pantera1 [17]

Answer: Frequencies .

Step-by-step explanation:

In statistics theory the chi-square test statistic is calculated by considering each cell and the expected frequency is subtracted from the observed frequency after that the difference is squared, and the total is divided by the expected frequency. This is highlight that the key focus of the chi-square test is the frequencies .

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3 years ago

HELP PLEASE <br> HOW DO I DO THIS?????<br> WHAT IS IT????

GarryVolchara [31]

Answer:

Step-by-step explanation:

4 0

3 years ago

in a proportional relationship the ratio y/x is constant. Show that this ratio is not constant for the equation y=a-14

Colt1911 [192]

To show that the ratio $\frac{y}{x}$ is not constant for the function $y=a-14$ we only need to evaluate this function at 2 points and then show that the ratio is not the same for those two points. Note that here $a$ represents $x$ .

To find the counter examples here, I will use the values $a=20$ and $a=28$ . For $a = 20$ , the equation tells us that the output is

$y=20-14=6$ . For this value of $a$ the point is point is $(20,6)$ . The ratio $\frac{y}{x} =\frac{6}{20}$ . For the $a=28$ , $y=28-14=14$ . For this value of $a$ the point is $(28,14)$ . The ratio $\frac{y}{x} =\frac{14}{28} =\frac{1}{2}$ . Clearly this ratio is not constant for all ordered pairs.

8 0

3 years ago