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Otrada [13]
3 years ago
13

Can anyone help ? :(

Mathematics
1 answer:
V125BC [204]3 years ago
7 0

Answer: B 65 and C 275

Step-by-step explanation:

Just divide by 3 then multiply by 5

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A piece of metal has a mass of 2210 g. The volume of the metal is 260 cm³.
Vlada [557]

Answer:

density= 8.5\,\,\frac{g}{cm^3}

Step-by-step explanation:

Recall that the formula for density is:

density=\frac{mass}{volume}

therefore for this case we have:

density=\frac{mass}{volume} \\density=\frac{2210}{260} \,\frac{g}{cm^3} \\density= 8.5\,\,\frac{g}{cm^3}

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3 years ago
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Answer:

A≈3.06

P Perimeter  

7

Using the formulas

A=a2

P=4a

Solving forA

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Answer:

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Step-by-step explanation:

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3 years ago
The inverse of f(x)= x2 is also a function
Margaret [11]
<h2>Answer:</h2><h3>False</h3><h2>Step-by-step explanation:</h2>

The inverse is not a function because this function is not one-to-one, that is, a function f has an inverse function if and only if there is no any horizontal  line that intersects the graph of f at more than one point, this is called the Horizontal Line Test for Inverse Functions. Thus, if you take an horizontal line it will pass through two points as indicated in the figure below. In conclusion, this function hasn't an inverse function.

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HELP ME PLEASE IM DESPERATE
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Answer:

the answer is below

Step-by-step explanation:

accidently made b to x

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