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Ket [755]
3 years ago
14

A=4

"latex-formula">. solve for R
Mathematics
1 answer:
Afina-wow [57]3 years ago
3 0
\bf \textit{area of a sphere}\\\\
A=4\pi r^2\qquad \qquad \cfrac{A}{4\pi }=r^2\implies \sqrt{\cfrac{A}{4\pi }}=r
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Plz help ill give you brainlist
Nana76 [90]
1=3
2=4
1+2=180; 2+3=180; 3+4=180; 4+1=180

180=94+n
n=86

86=x+64
x=22

94=y-37
y=131

8 0
3 years ago
Turtles can live a long time. This stem-and-leaf plot shows the ages (in years) of the turtles in the reptile house of the Kalam
madreJ [45]

Answer:

1,1,2,5,6,7,10,10,13, 18, 19, 20, 24, 26, 27, 31, 36, 54, 63, 67

The average age  is  22 yrs

The sum  of the ages  is  440 yrs

When  two  of the turtles leave, the average is  21 yrs....and there are 18 turtles left

So....the sum of the ages is  21 * 18  = 378

And the difference  in the sums  is  62

The only two values that sum to 62  are  26 and 36

So.....the box turtle must have been 36 and the map turtle must have been 26

Step-by-step explanation:

3 0
3 years ago
If the simple interest on $7,000 for 9 years is 3,780, then what is the interest rate?
Andreas93 [3]

Answer:

6%

Step-by-step explanation:

Interest = Principal × Rate × Time/100

$3780 = $7000(9)(rate)/100

63000rate = 378000

rate= 378000/63000

rate = 6% per annum (Answer)

8 0
3 years ago
Help me plz I will give brainiest
igor_vitrenko [27]

Answer:

Side A = 11

Side B = 16

Side C = 25

I added an image that shows what I did in case you need it.

7 0
3 years ago
Is anyone good at math i need help with two review questions
Delvig [45]

Answer:

Step-by-step explanation:

I can try

5 0
3 years ago
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