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Liula [17]
3 years ago
9

the radius of a standard baseball is about 3 in. about how many square in of horsehide required to cover 100 balls, to the neare

st whole number
Mathematics
1 answer:
ipn [44]3 years ago
3 0

Answer:

Step-by-step explanation:The surface area of a sphere (the shape of a baseball) is given by the formula, SA = 4 (pi) r^2. Given the circumference of the circle, you can solve for the radius.  

The formula for circumference is C = 2 x pi x r.  

So input 9 for C and solve. 9 = 2 x pi x r.  

You will get that r is equal to about 1.43 in.  

Now put that r value into the surface area equation: SA = 4 (pi) 1.43^2  

You will get a surface area equal to about 25.7 in^2.  

Now multiply that number by the number of baseballs you need to cover, 100.  

I'll let you do that step by yourself since it's simple algebra and you're smart enough to figure it out ;)

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How would you model the function rule Y=-2x-3 with a table of values. can you pretty please show your work i just need help i've
yawa3891 [41]
Y = -2x - 3

First make a table, then start inserting the x's you choose and figure out the y's.

x             y
----------------------
-2       -2(-2) -3
             4 - 3
                 1
-----------------------
-1        -2(-1) - 3
               2 - 3
                 -1
------------------------
0          -2(0) - 3
               0 - 3
                -3
-------------------------
1           -2(1) - 3
               -2 - 3
                 -5
--------------------------
2           -2(2) - 3
               -4 - 3
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--------------------------

Now you can plot the points into a graph.
(-2, 1), (-1, -1), (0, -3), (1, -5), (2, -7)

3 0
3 years ago
Two containers designed to hold water are side by side, both in the shape of a cylinder. Container A has a diameter of 14 feet a
Evgesh-ka [11]

Answer:

11.8 % empty

Step-by-step explanation:

volume of cylinder : pi × r² × h

attention ! the question gives us diameter, so for radius we need to cut them in half.

Va = pi × (14/2)² × 9 = pi×49×9 = 1385.44236... ft³

Vb = pi × (10/2)² × 20 = pi×25×20 = 1570.79633... ft³

after filling B with everything in A there is still some empty volume in B

Vb empty = Vb - Va = 185.35397... ft³

so,

100% Vb = 1570.79633... ft³

1% Vb = 15.7079633... ft³

so, how often does 1% of the total volume of B fit into the remaining empty volume of B ?

185.35397... / 15.7079633... = 11.8%

4 0
2 years ago
Find the distance between (1, 2) and (5,2)<br> The points lie in______<br> The distance is________
Natali [406]
The point lies in quadrant 1 and the distance is 4.

Why?
Because if we subtract the x values which is 1 and 5 we get 4!

If helped mark me the brainiest!
3 0
3 years ago
Mhanifa please help im almost done! I will mark brainliest :)
slava [35]

Answer:

Hello! Your answer is, 1 :A)28 AND 2:D)75 and CD AND 3:B)10 1/2

Step-by-step explanation:

Hope I helped! Brainiest plz!♥ Have a nice afternoon. Hope you make a 100%! -Amelia

8 0
3 years ago
Read 2 more answers
Please help meeee! !!!
marshall27 [118]

Answer:

c) $ 12.00

Step-by-step explanation:

$78.20 x 15%= 11.75

round up

8 0
2 years ago
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