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bogdanovich [222]
3 years ago
14

Which names the opposite and absolute value of -9

Mathematics
1 answer:
MAXImum [283]3 years ago
4 0
Six is the opposite of 9
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What is the circumference of the following circle?<br> 3 cm
Serjik [45]

Answer:

the circumference is 9.42 cm

Step-by-step explanation:

3.14 · (3 cm)

c = 9.42 cm

hope this helps :-)

8 0
3 years ago
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It costs $3.56 to buy a pack of pencils. Which of the following equations shows the amount of money needed, x, to buy k packs of
Scilla [17]
The total price would be $3.56 times however many you bought, so the correct equation would be x = 3.56k.
4 0
3 years ago
Help appreciated. <br>How many hours of training would you need to have a salary of $2,000?<br>​
Angelina_Jolie [31]

Answer: you will have 56

Step-by-step explanation:

4 0
3 years ago
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The function f(x)=125(0.9)x models the population of a species of fly in millions after x years.
deff fn [24]

Answer: (B) 3 times as fast

<u>Step-by-step explanation:</u>

rate of change is the "slope" between the given interval.

f(x) = 125(.9)ˣ

f(1) = 125(.9)¹

    = 112.5

f(5) = 125(.9)⁵

     = 73.8

\dfrac{f(5) - f(1)}{5 - 1} = \dfrac{73.8-112.5}{5-1} = -\dfrac{38.7}{4} = -9.675

********************

f(11) = 125(.9)¹¹

       = 39.2

f(15) = 125(.9)¹⁵

       = 25.7

\dfrac{f(15) - f(11)}{15 - 11} = \dfrac{39.2-25.7}{15-11} = -\dfrac{13.5}{4} = -3.375

********************

The rate of change from years 1 to 5 is approximately 3 times the rate of change from years 11 to 15.

7 0
3 years ago
Sam wants to buy 8 pencils and 6 pens, which cost a total of $8.50. He realizes he doesn't have enough cash and instead takes on
Brums [2.3K]
Let x be the price of each pen and y be the price of each pencil. From the given, the equations that are described are,
                            6x + 8y = 8.50
                             4x + 4y = 5
Solving for x and y simultaneously gives an answer of x = 0.75 and y = 0.5. 

Thus, each pen costs $0.75 and each pencil costs $0.50.
8 0
3 years ago
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