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Reptile [31]
3 years ago
10

Cone shaped container with a diameter of 7.5 and a hieght of 3.5 to feed his tropical fish

Mathematics
1 answer:
jeka943 years ago
6 0
Volume of a cone = 1/3 πr²h

Volume = 1/3π(7.5÷2)²(3.5) = 51.54 unit³
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8. Find an equation in standard form for the ellipse with the vertical major axis of length 16 and minor axis of length 4
MA_775_DIABLO [31]

Hello,

If center is (0,0)

x²/a²+y²/b²=1 for a half horizontal axis of a, and a half vertical axis of b

Here

a=2 ==> a²=4

b=8 ==> b²=64

\boxed{\dfrac{x^2}{4}+ \dfrac{y^2}{64}=1}\\

3 0
3 years ago
One serving of milk has 120 Calories. If one serving is equal to 1 cup, how many Calories are in 1 fluid ounce? (1 cup = 8 fluid
aleksandrvk [35]

Answer:

15

Step-by-step explanation:

the answer should be 15 because, if one cup is 120 calories or 8 fluid ounces is 120 calories,  divide 120 by 8 so you can find how many calories one fluid ounce is.

8 0
3 years ago
Arturo purchased a package of 50 blank CDs. After he used “x” CDs, he had “x” less than 50 CDs remaining. How many CDs did he ha
Katarina [22]

Answer:

19 Cds left.

Step-by-step explanation:

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4 0
3 years ago
A silver ring has a volume of 3 cm- and a mass of 36 grams.<br>Find the density of the silver.​
siniylev [52]
M/V = D. 36g/3cm = 12
8 0
3 years ago
Roberto has a sample of an unknown liquid. The label in the bottle of the sample indicates that the liquid has a mass of 117 gra
Tomtit [17]

Answer:

It is Milk

Step-by-step explanation:

The liquid in the bottle has mass given in grams and the mass of that substance is 117 grams.

The volume of the substance is 15 cubic centimeters.

Now, using the formula of density we can estimate which substance could it be.

d=\frac{m}{v}, where 'd', is the density, 'm' is the mass, and 'v' is the volume of the substance.

Plugging the value of mass and volume we get:

d=\frac{117}{15} =7.8g/cm^3

So the density of the substance is 7.8 grams per cubic centimeter.

It cannot be water since the density of water is 1 grams per cubic centimeter.

It cannot be gasoline because its density is 0.77 grams per cubic centimeter.

It cannot be mercury because the density of mercury is 13.56 grams per cubic centimeter.

Since, the density in this case matches the density of thick milk and hence,therefore, the liquid in the bottle is milk.

7 0
3 years ago
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