2 years ago

How do i find the volume in 3d shapes, please help i need to get better grades

Mathematics

1 answer:

Julli [10]2 years ago

8 0

Length*Width*Height
The teacher needs to give you the values

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RATIO HELP PLEASE

9966 [12]

$1.\\x-how\ many\ biscuits\ has\ Gemma\\ \\x+4x=20\ \ \ \Leftrightarrow\ \ \ 5x=20\ \ \ \Leftrightarrow\ \ \ x=4\ \ \ \Rightarrow\ \ \ 4x=16\\ \\Ans.\ Gemma\ has\ 4\ biscuits\ and\ Zak\ has\ 16\ biscuits.$

$2.\\x-how\ many\ marbles\ has\ Asif\\ \\7x+x=80\ \ \ \Leftrightarrow\ \ \ 8x=80\ \ \ \Leftrightarrow\ \ \ x=10\ \ \ \Rightarrow\ \ \ 7x=70\\ \\Ans.\ Asif\ has\ 10\ marbles\ and\ Emily\ has\ 70\ marbles.$

$3.\\2x-how\ many\ pencils\ has\ Niamh\\ \\2x+3x=10\ \ \ \Leftrightarrow\ \ \ 5x=10\ \ \ \Leftrightarrow\ \ \ x=2\ \ \ \Rightarrow\ \ \ 2x=4\ \ and\ \ 3x=6\\ \\Ans.\ Niamh\ has\ 4\ pencils\ and\ Jack\ has\ 6\ pencils.$

5 0

3 years ago

Find the value of x<br> if xfit<br> 2(x+3)=2

defon

Answer:

-2

Step-by-step explanation:

2(x+3)=2

Divide both sides by 2:

x+3=1

Subtract 3 from both sides:

x=-2

Hope this helps!

4 0

2 years ago

Read 2 more answers

Factorise 2xy-6td-4(xy-9td) please explain

morpeh [17]

-2xy+30td

Step-by-step explanation:

2xy-6td-4(xy-9td)

2xy-6td-4xy+36td

2xy-4xy-6td+36td

-2xy+30td

7 0

1 year ago

What is the volume of a sphere with a diameter of 7.9 ft

vovangra [49]

Answer:

V ≈ 258 ft³

Step-by-step explanation:

I given the diameter d= 7.9 ft so the radius is r = d/2 = 7.9/2 ft

Volume of a sphere is

V = (4/3) π·r³ = (4/3) · π · (7.9/2)³ = 258.1546167 ft³

5 0

2 years ago

12345 :- 987 me pueden ayudar con esta division

Sophie [7]

12.50 espero que te sirva :)

4 0

2 years ago