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trapecia [35]
2 years ago
11

What is the answer to this math problem?

Mathematics
2 answers:
Over [174]2 years ago
7 0

The volume of a sphere is 4/3 x π x (diameter / 2)3, where (diameter / 2) is the radius of the sphere (d = 2 x r), so another way to write it is 4/3 x π x radius3. Visual on the figure below:

Making this sphere's volume 904.778684 yd3 and its cubic yards is 1,183.4.

Taya2010 [7]2 years ago
6 0

Answer:

904.32 cu.yd

Step-by-step explanation:

V=\frac{4}{3} \pi r^{3} =\frac{4}{3} \pi (6)^{3} =288\pi =904.32cu.yd

Hope this helps

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I don't understand!What do i put?!
Serggg [28]
1 x 70
2 x 35<span> 
</span>5 x 14
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8 0
3 years ago
There are 620 students and 31 teachers at the Turner Middle School. There are 950 students and 38 teachers at the Green Middle S
Reika [66]
Turner Middle School
620 students
31 teachers

Green Middle School
950 students
38 teachers

If you want the ratios of teachers to teachers and students to students for Turner to Green...

the ratio of students to students is 620/950 = 0.65
the ratio of teachers to teachers is 31/38 = 0.82

3 0
3 years ago
Which choice correctly shows the solution(s) of the equation x2 = 121?
kvasek [131]

Hello from MrBillDoesMath!

Answer:

Choice D, x = +\ sqrt(121)


Discussion:

x^2 = 121           =>          take square roots of both sides

x = +\- sqrt(121) =>         as sqrt(121) = +\- 11

x = +\- 11                    

The closest answer is D as it includes both values of x,  unlike choices A and B which include a single value of the square root


Thank you,

MrB

7 0
4 years ago
Which of the following statements is false?
Tasya [4]

Answer:



B. FALSE


Step-by-step explanation:


A. (8y^2+2)-(4-2y^2)



We expand the brackets to get,


=8y^2+2-4+2y^2



Group like terms,


=8y^2+2y^2+2-4


Simplify,



=10y^2-2


TRUE


B. (y^2-7)+(2y+2)



Rearrange the terms,


=y^2+2y-7+2


Simplify,


=y^2+2y-5




(y^2-7)+(2y+2)\ne y^2-9



FALSE



C


(y^2-7)+(2y^2+3)



Group like terms,


=y^2+2y^2-7+3


Simplify,



=3y^2-4



TRUE



D. (y^3-y)-(y^2+4)


Expand brackets



=y^3-y-y^2-4


Rewrite in descending powers of y,



=y^3-y^2-y-4




TRUE



8 0
3 years ago
Answer this question please and thank you
VMariaS [17]

Answer:

Guranteed 5th Grader / 6th

Step-by-step explanation:

8 1/7 / 4/7

Multiply 7 by and and add 1

57/7 / 4/7

Flip the 4/7 to 7/4

57/7  * 7/4

Do the rest

14 1/4

7 0
3 years ago
Read 2 more answers
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