MATHEMATICS MIDDLE SCHOOL

Can someone help in this one please

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Answer 1

Answer:

Answer:

As radius is perpendicular to tangent,

By pythagoras theorem :

x² = (x + 9)² - 15²

x² = x² + 18x + 81 - 225

18x = 207

x = 11.5

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Cd City sells 5 CDs for $49. Music Land sells 8 CDs for for $59.50. Which store is the better place to buy CDs?

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Well, first you would need to divide 49 by 5. Your answer would be $9.80 for 1 CD at CD City. Next you would divide 59.50 by 8. Your answer would be $7.44 for 1 CD at Music Land. Which store would you want to get CDs from? BTW, Music Land is the answer. Hope this helps!!!!!!!!!!! :)

A circle is centered at (-8, -13) and has a radius of 13. What's the equation of the circle? Enter the equation in the box using lower case variables and y

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Answer:

${(x - ( - 8))}^(2) + {(y - ( - 13))}^(2) = {13}^(2) \n {(x + 8)}^(2) + {(y + 13)}^(2) = 169$

Please help me with this

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Answer:

30 degrees

Step-by-step explanation:

We know that the angle is going to be half of the minor arc it encompasses.

Since the minor arc is 60 degrees, the angle is 30 degrees!

What is the equation of the line of best fit that Frank drew?

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can u post a picture of the graph?

What is 155.43 rounded to the nearest whole number ?

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155;
rounding to the nearest whole number basically means rounding the decimals so they disappear e.g. 11.5 would round up to 12 because 5+ rounds upwards and below 4 rounds down so say it was 15.34 it would round down so it would be 15.
I hope this helps ;)

The correct answer is 155 because 3 in the hundredths place doesn't round up the 4 so therefore the correct answer is be 155.

Any one knows this one plz

Answers

That's the same as 1.024 ÷ 10⁴

Each time we divide by 10 we move the decimal point one place to the left. If we have to we add zeros at the front.

1.024 ÷ 10⁴ = 0.1024 ÷ 10³ = 0.01024 ÷ 10² = 0.001024 ÷ 10 = 0.0001024

Answer: 0.0001024

The answer is 200-/2605

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