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3 years ago

12

Which statement describes a situation that can be represented by an exponential function?

1 answer:

swat323 years ago

5 0

Answer: c

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7B3x%7D%5E%7B2%7D%20%7D%7Bxy%7D%20%20%5Ctimes%20%20%5Cfrac%7B%20%7B4xy%7D%5E%

hjlf

$\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}
\\\\
-------------------------------\\\\
\cfrac{3x^2}{xy}\cdot \cfrac{4xy^2}{\frac{1}{y}}\implies \cfrac{3x^2}{xy}\cdot \cfrac{4xy^2}{y^{-1}}\implies \cfrac{3x^2x^1y^2}{xy^1y^{-1}}\implies \cfrac{3x^{2+1}y^2}{xy^{1-1}}
\\\\\\
\cfrac{3x^3y^2}{xy^0}\implies \cfrac{3x^3y^2}{x^1}\implies 3x^3y^2x^{-1}\implies 3x^{3-1}y^2\implies 3x^2y^2$

6 0

3 years ago

you can perform 10 push ups in 25 seconds. write an equation that represents the relationship between time x and the number of p

vagabundo [1.1K]

Answer:

Step-by-step explanation:

(10 pushups)/(25 sec) = (⅖ pushup)/sec

Or,

(25 sec)/(10 pushups) = (2.5 sec)/pushup

6 0

3 years ago

The electric heaters, in a 240 volt electric furnace, draw 40 amps of current. What is the total KW rating of the heaters?

expeople1 [14]

9514 1404 393

Answer:

9.6 kW

Step-by-step explanation:

The product of volts and amps is watts. Here, that product is ...

(240 V)(40 A) = 9600 W

1000 W is 1 kW, so this quantity is 9.6 kW

__

This tells the power consumption. The "rating" may be different.

3 0

3 years ago

Please help with the working out

nadya68 [22]

I hope this helps you

m=5

(5^2-5.5+9)^2

(25-25+9)^2

9^2

81

5 0

3 years ago

Read 2 more answers

Carla needs 8 inches of ribbon for each craft she makes. What is the greatest number of crafts Carla can make using 30 feet of r

Contact [7]

Well 30x12in is 360in. 360in divided by 8 is 45. She can make 45 crafts

7 0

3 years ago