3 years ago

Write the equation in standard form of the circle with radius 5 and center 0,3

1 answer:

4 0

The equation of a circle is (x-h)²+(y-k)²=r², with h being the x value in the center, k being the y value, and r being the radius. x and y can stay variables, so we can plug numbers in to get (x-0)²+(y-3)²=5²=25=x²+(y-3)²

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What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the

marishachu [46]

The sum of all the measurements is just the average times the number.

$\bar x = \frac{1}{n} \sum_{i=1}^n x_i$

$\sum_{i=1}^n x_i = n \bar x$

So if the average of all 92 is 7 the sum of those is $92 \times 7$

The average of the last two is 7.2 so their sum is $2 \times 7.2$

That means the sum of the first 90 is $92 \times 7 - 2 \times 7.2$

so the average of the first 90 is

$\dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556$ cm

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vladimir1956 [14]

Answer:

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Step-by-step explanation:

Use this inequality

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2 years ago

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irakobra [83]

I would say the cube because it takes more space (volume) than the row of cubes

"Not sure if it makes sense but, eh...."

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3 years ago

20 points if u answer and brainliest :

Daniel [21]

P=12/3

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2 years ago

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your school is planning to bring 193 students to watch the competition cheerleaders perform in hershey. there are eight drivers

Vinil7 [7]

Answer:

7 buses

Step-by-step explanation:

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