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N76 [4]
4 years ago
13

What is the decimal notation of 7 3/8

Mathematics
1 answer:
Dafna1 [17]4 years ago
4 0
7.375 will be the notation of 7/38 
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a cone and a sphere have the same volume. the height of the cone is 96 units. what would be the values for the radius of the con
jolli1 [7]

The volume V_c of a cone  with base radius r_c and height h_c is

V_c = \dfrac{1}{3}\pi r_c^2 h_c

Similarly, the volume V_s of a sphere with radius r_s is

V_s = \dfrac{4}{3}\pi r_s^3

We know that V_c=V_s and that h_c=96

So, we can set up the following equation:

\dfrac{96}{3}\pi r_c^2=\dfrac{4}{3}\pi r_s^3

We can simplify the common denominator 3, and pi appearing on both sides:

96r_c^2=4r_s^3

We can divide both sides by 4:

24r_c^2=r_s^3

Without further information, this is all we can say: the cubed radius of the sphere is the same as 24 times the squared radius of the cone.

3 0
4 years ago
70 times what equals 210
VLD [36.1K]
70x=210
210/70=3
basically 70 times what equals 210, well take 210 and divide it by 70, you will get 3
3 0
3 years ago
Read 2 more answers
What the value of 5'3
vredina [299]
Bleh, I’m not sure because I don’t know and stuff
6 0
3 years ago
You and your friend are painting the walls in your apartment. You estimate that there is 1000 square feet of space to be painted
leva [86]
After 45 minutes you will have painted 4*45=180 square feet.

so the total number of painted area, y, is:

y=180+x*(3+4) after the 45 minutes

where x is the number of minutes AFTER THE 45 minutes:

if y is 1000 then

1000=180+x*7
820=x*7
x=117.14

so 117 minutes, or one hour and 57 minutes.
5 0
3 years ago
PLEASE HELP WITH THIS!
natulia [17]

Answer:

42

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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