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Neporo4naja [7]
3 years ago
8

Use heron's formula to find the area of the triangle. round to the nearest square unit

Mathematics
1 answer:
GarryVolchara [31]3 years ago
3 0
Did the question give you any lengths of the sides?
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A spherical tank has a capacity of 800 gallons. Using the fact that 1 gallon is about 0.1337 ft3, find the radius of the tank (t
nydimaria [60]

Solution-

Capacity of the spherical tank = 800 gallons.

1 gallon = 0.1337 ft³,

Volume of 800 gallons = 800 × 0.1337 = 106.96 ft³

Formula for the volume of sphere

V =\frac{4\pi r^{3}}{3}

Equating both the volumes

⇒ \frac{4\pi r^{3}}{3} = 106.96

⇒ r^{3} = 25.53

⇒ r = \sqrt[3]{25.53}

⇒ r = 2.94

∴ Radius of the sphere is 2.94 ft


6 0
3 years ago
A small piece of metal weighs 0.77gram.What is the value of the digit in the tenths place
4vir4ik [10]
I think it's the first 7.

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If the sales tax in a town is 5% and Amanda pays $10 in tax on her purchase what was the cost of the item?
Vikentia [17]

Answer:

$200

Step-by-step explanation:

If the tax is 5%, then she pays $5 for every $100. If she paid $10 in tax, her purchase was $200.

5 0
2 years ago
Find f(x) and g(x) so the function can be expressed as y = f(g(x)). y = Two divided by x squared. + 3
kodGreya [7K]
Hello,

g(x)=x²+3
f(x)=2/x
so f(g(x))=f(x²+3)=2/(x²+3)

Explainations:

f(y)=2/y
f(4y)=2/(4y)
f(x²)=2/x²
f(x²+3)=2/(x²+3)

4 0
3 years ago
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barxatty [35]
B is the only number that is divisible by 3
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