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Step2247 [10]
2 years ago
13

What is the range of f?

Mathematics
1 answer:
zhannawk [14.2K]2 years ago
4 0

Answer: [-3,7]

Step-by-step explanation:

The range of a function is the set of y-values

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A bag contains 12 pennies, 9 nickels, 11 dimes and 3 quarters. A coin is selected at random from the bag. Find the probability.
steposvetlana [31]
Probablity=desiredoutcomes/totalpossibleoutcomes

see which ones fit
dimes and quarters are over 9 cents
there are 11+3 or 14 of them

total outcomes=12+9+11+3=35

probablity=14/35=2/5

probablity is 2/5
6 0
3 years ago
Suppose z varies directly with x and inversely with the square of y. If z = 18 when I = 6 and y = 2, what is z when I 7 and y =
madam [21]

It is given that z varies directly with x and inversely with the square of y so it follows:

z=k\frac{x}{y^2}

It is also given that z=18 when x=6 and y=2 so it follows:

\begin{gathered} 18=k\frac{6}{2^2} \\ k=\frac{18\times4}{6} \\ k=12 \end{gathered}

So the equation of variation becomes:

z=12\frac{x}{y^2}

Therefore the value of z when x=7 and y=7 is given by:

\begin{gathered} z=\frac{12\times7}{7^2} \\ z=\frac{12}{7} \\ z\approx1.7143 \end{gathered}

Hence the value of z is 12/7 or 1.7143.

6 0
1 year ago
As a fraction<br> Divide.<br><br> (514)÷(−212)
Marina CMI [18]

Answer:

Exact form:  - 257/106

decimal form: -2.42452830

Mixed Number Form: -2  45/106

Step-by-step explanation:

Reduce the expression if possible by cancelling the common factors

6 0
3 years ago
Question 5 (2 points)
Digiron [165]
1600 bc if you use your calculator that’s what you get
6 0
3 years ago
Only need help on number 8. Thanks in advance. Must show work. If you do I will give you brainliest. :)
marishachu [46]

Answer:

Necklace cost $144 and bracelet cost $48

Step-by-step explanation:

call x is the price of necklace, y is the price of bracelet

because necklace cost 3 time as much as the bracelet

=> 3x = y

A necklace and a bracelet cost $192

=> x + y = 192

=>set of equations

3x = y and x+y = 192

x= 3y and 3y + y = 192

=> y = 48 and x = 3 . 48 = 144

6 0
3 years ago
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