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Alborosie
2 years ago
10

Need a little help!

Mathematics
1 answer:
zhenek [66]2 years ago
5 0
Answer = 7234.6 cm cu.
Reason
Volume of sphere
V= 4/3 x TT x r^3
V = 4/3 x 3.14 x 12^3
V= 7234.56
Rounded to 7234.6
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7 0
3 years ago
You ask 120 randomly chosen students to name their favorite ice cream flavor. There are 1800 students in the school. Based on th
Stella [2.4K]
39/120 = x / 1800....39 choc. chip to 120 students = x choc. chip to 1800 students

now we cross multiply because this is a proportion
(120)(x) = (39)(1800)
120x = 70200
x = 70200/120
x = 585 <===

or u could do it this way as well...
39 out of 120 picked chocolate chip....
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5 0
3 years ago
Please help me some one out there thank you
V125BC [204]
There is a percent formula that can solve all of these...
is / of = % / 100

what percent is 32 out of 80...
% = x...because this is what we r looking for
is = 32
of = 80
now sub into the formula
32/80 = x/100
cross multiply because this is a proportion
(80)(x) = (32)(100)
80x = 3200
x = 3200/80
x = 40......so 32 is 40% of 80

12 is 60% of what number...
is = 12
% = 60
of = x

sub
12/x = 60/100
cross multiply
(60)(x) = (12)(100)
60x = 1200
x = 1200/60
x = 20.....so 12 is 60% of 20

what is 30% of 70
is = x
% = 30
of = 70

x / 70 = 30/100
(100)(x) = (30)(70)
100x = 2100
x = 2100/100
x = 21.....so 21 is 30% of 70

what is 40% of 75
is = x
% = 40
of = 75

x / 75 = 40/100
(100)(x) = (75)(40)
100x = 3000
x = 3000/100
x = 30....so 30 is 40% of 75

the pic
what is 40% of 35
is = x
% = 40
of = 35

x/35 = 40/100
(100)(x) = (35)(40)
100x = 1400
x = 1400/100
x = 14.....so 14 is 40% of 35....14 goes in the box




7 0
3 years ago
Read 2 more answers
Which number is irrational?<br><br> 0.656656665. . .<br><br> 0.78¯¯¯¯<br><br> 2.35<br><br> 227
Anuta_ua [19.1K]

Answer:

0.656656665...

Step-by-step explanation:

This number is irrational because it goes on forever, as indicated by the ...

3 0
3 years ago
State the domain and range of the function f(x) = 2 [[x]]
Ne4ueva [31]

Answer: 2

Step-by-step explanation: just put 2

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