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Fed [463]
3 years ago
11

In the hyperbola graph,how do you find the domain and range?​

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
3 0

Step-by-step explanation:

<h2><em>y = ± 5⁄2 x</em></h2><h2><em>y = ± 5⁄2 xThe equation is the left half of the hyperbola. The domain is ( – ∞, – 1⁄5 ]. The range is ( – ∞, ∞ ). The vertical line test indicates that this is not the graph of a function.</em></h2>
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An alloy consists of nickel, zinc, and copper in the ratio 2:7:9. How many pounds of nickel have to be used to create alloy that
Hunter-Best [27]

We are given ratio nickel to zinc to copper = 2:7:9.

From this ratio we can see that <em>ratio of nickel to zinc is 2:7</em>.

Let us assume number of pounds of nickel have to be used to create alloy that contains 4.9 lb of zinc is x pounds.

So, we can setup a proportion as :

x : 4.9 =  2:7

Or

\frac{x}{4.9}=\frac{2}{7}

On cross multiplication, we get

7x= 4.9× 2

7x = 9.8

Dividing both sides by 7, we get

x = 1.4.

<h3>Therefore, 1.4 pounds of nickel have to be used to create alloy that contains 4.9 lb of zinc.</h3><h3 />
6 0
3 years ago
(Y^2-y+5)/(y+1)<br><br> Can someone please help me
Papessa [141]
Y - 2 + \frac{7}{y + 1}

Your teacher may also just want the answer y - 2 with a 7 remainder

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8 0
3 years ago
What’s the radius of a circle with an area of 123 square feet
Katyanochek1 [597]

Answer:

6.25716517287

Step-by-step explanation:

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→ 123 = π × r²

⇒ Divide both sides by π

→ 39.1521160006 = r²

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7 0
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Following ungrouped data of Sales of a company (in millions) is available
Diano4ka-milaya [45]
Lol no one is going to work that out just copy and paste into an online calculator good luck
3 0
3 years ago
I cannot figure this problem out
sveta [45]

Answer:

31 customers

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Hopefully this helps! Let me know if you have any questions

7 0
3 years ago
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