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raketka [301]
3 years ago
7

The temperature in degrees Celsius can be expressed by the function C(f)=59(f−32)C(f)=59(f−32) where f is the temperature in deg

rees Fahrenheit. Find the temperature in degrees Celsius (to the nearest degree) if it is 55 °f.
Mathematics
1 answer:
Fiesta28 [93]3 years ago
4 0
\dfrac{5}{9}\cdot (55-32)=\dfrac{5}{9}\cdot 23=\dfrac{115}{9}\approx 13^\circ C
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Solve 3x^2 - 20x - 7 =0
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This involvea factoring the polynomial into binomials and solving.
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5 0
3 years ago
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How do I graph this? In picture below<br> please include the graph
Savatey [412]

Answer:

See the attached figure.

Step-by-step explanation:

The given function is called piecewise function which is the function that can be in pieces, i.e: defined by multiple sub-functions.

f(x)=\left \{ {{2x} \ , \ x\geq3  \atop {-\frac{1}{3}x+7 \ , \ x\leq 3 }} \right.

So, need to graph 2x in the interval [3,∞)

And graph -(1/3) x + 7  in the interval (-∞,3]

We will find that f(3) at the function 2x will be equal f(3) at the function -(1/3) x + 7

Which mean the function is continuous.

The attached figure represents the graph of function, it was graphed using the tables on the graph.

3 0
3 years ago
Mr dambek had $90 to spend at the bulls game he spent 31/45 on his ticket the. He spent 3/7 of his remaining money at the conces
slavikrds [6]

Answer:

He does not have enough money to buy the hat.

Step-by-step explanation:

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6 0
3 years ago
In a purse there are 30 coins, twenty one-rupee and remaining 50-paise coins. Eleven coins are picked simultaneously at random a
Masteriza [31]
The solution to the answer is as follows:


<span>0votes</span><span>answered <span>Aug 8, 2015 </span><span><span>by </span>Shashi Kumar Evangelist <span>(3,082<span> points)</span></span></span></span><span>total coins 30
1 rupee coins 20
50 paise coins 10

1 rupee coin probability 20C11
11 coin are picked 30C11
<span>ans should be = 20C11/30C11 = 2/3</span></span>
I hope my answer has come to your help. God bless and have a nice day ahead!
7 0
3 years ago
You complete 3 centimeters of a necklace in an hour. each hour after the first, you triple the length iof the necklace. write an
liberstina [14]

First hour: 3 = 3¹

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Do you see the pattern? <em>3^{n} where n is the number of hours</em>

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5 0
3 years ago
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