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natali 33 [55]
2 years ago
6

9. Marianna is making a piñata that has a ball-like shape. The piñata has a surface area of 60 square feet. Use

Mathematics
1 answer:
koban [17]2 years ago
4 0

Answer:

D. 2.19

Step-by-step explanation:

ok so the formula for the surface area of a sphere is 4\pir^2

We see that 4\pir^2=60.

To find the radius we must isolate r on one side of the equations.

r^2=60/4\pi

r^2 = 4.77464829276

r = \sqrt{4.77464829276}

That is approximately equal to 2.19

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Answer:

70000.036 = 1260

Step-by-step explanation:

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3 years ago
Trapezoid GHJK was rotated 180° about the origin to determine the location of G'H'J'K', as shown on the graph. What are the coor
ahrayia [7]

Answer:

when a point M (h, k) is rotated about the origin O through 180° in anticlockwise or clockwise direction, it takes the new position M' (-h, -k). The signs of the coordinates change .

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Step-by-step explanation:

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Answer:

0.4085

Step-by-step explanation:

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5 0
3 years ago
What is the value of 10x+1 3
Veseljchak [2.6K]

SOLUTION

In this question, we are meant to expand the expression:

(10x+1)^{3\text{ }}\text{ = ( 10 x + 1 ) (10 x + 1 ) ( 10 x + 1 )}\begin{gathered} (10x+1)(10x+1)=100^{}x^2\text{ + 20 x + 1} \\ \text{Then,} \\ (100x^2+20x+1)(10x+1)=1000x^{3\text{ }}+200x^2+10x+100x^2\text{ + 20 x + 1} \\ \text{ = 1000 x}^{3\text{ }}\text{ + }300x^2\text{ + 30 x + 1} \\  \\ \text{CONCLUSION: ( 10 x + 1 )}^{3\text{ }}=1000x^{3\text{ }}+300x^2\text{ + 30 x +1} \end{gathered}

7 0
1 year ago
5<br> 1<br> 6X-58<br> х = 19<br> х = 19<br> 30
Ulleksa [173]

Answer:

nope i dont understand

Step-by-step explanation:

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