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Aliun [14]
3 years ago
14

Please help, operation with rational numbers XXIV

Mathematics
1 answer:
kifflom [539]3 years ago
3 0
1. D
2. A
3. 79

I'm not confident with 3 but 1 and 2 are for sure correct
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32. Determine the ratio in which the line 3x + y - 9 = O divides the segment join the
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3 years ago
A circle has a radius of 18 and a center at (10,-9). Find the equation of the circle.
gulaghasi [49]

Answer:

(x-10)²+(y+9)²= 324.

Step-by-step explanation:

For this question, you will need to substitute these values into the equation of a circle:

(x-h)²+(y-k)²= r²

'h and k' represent the center points, and 'r' represents the radius.

This will result in:

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4 0
3 years ago
What is the radius of a sphere that has a surface area of 2903.33 in²?
alexdok [17]

Answer:

15.2 in

Step-by-step explanation:

The surface area of a sphere is given by the formula below:

Surface area of sphere= 4πr², where r is the radius

Given that the surface area is 2903.33 in²,

2903.33= 4πr²

Divide both sides by 4π:

{r}^{2}  =  \frac{2903.33}{4\pi}

Square root both sides:

r =  \sqrt{ \frac{2903.33}{4\pi} }

r= 15.2 in (3 s.f.)

For a similar question on surface area of sphere, do check out the following!

  • brainly.com/question/16882587
8 0
2 years ago
Please help!!!
pantera1 [17]
The first question is a Statistical Question. This is because Statistical Questions are questions that can be answered with a percent, range or average. It could have many correct answers.

The Second one is a Non-Statistical Question. This is because this cannot be answered with a percent, range, or average.
5 0
3 years ago
Read 2 more answers
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