Tables of values for two different functions are given below.

Mathematics

2 answers:

harkovskaia [24]3 years ago

5 0

Answer: D. The left function is quadratic and the right function is exponential.

Step-by-step explanation: I Did the Test

oksian1 [2.3K]3 years ago

3 0

can I get a graph cause without a graph it confusing and my calculator broke and I cant graph

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An airplane has a total of 414 packets of crackers, pretzels, and peanuts available for passengers.

zhenek [66]

There is no question in Part A, but i do what i can.

Part A.
We know that:

n - number of packets of crackers
p - number of packets of pretzels

p = 2n+9

s - number of packets of peanuts

s = 3p = 3(2n+9) = 6n+27

So:

$n+p+s=414\\\\n+(2n+9)+(6n+27)=414\\\\9n+36=414\quad|-36\\\\9n=378\quad|:9\\\\\boxed{n=42}\\\\\\
p=2n+9=2\cdot42+9=\boxed{93}\\\\s=6n+27=6\cdot42+27=\boxed{279}$

There are 42 packets of crackers, 93 packets of pretzels and 279 packets of peanuts.

Part B.

x - number of rows with exactly 2 passengers
y - number of rows with exactly 3 passengers

and:

$\boxed{\begin{cases}x+y=48\\2x+3y=132\end{cases}}\\\\\\
\begin{cases}x+y=48\quad|\cdot2\\2x+3y=132\end{cases}\\\\\\
\begin{cases}2x+2y=96\\2x+3y=132\end{cases}\\\\--------(-)\\\\2x-2x+2y-3y=96-132\\\\-y=-36\\\\\boxed{y=36}\\\\\\x+y=48\\\\x+36=48\\\\x=48-36\\\\\boxed{x=12}$

There are 12 rows with exactly 2 passengers and 36 rows with exactly 3 passengers.

3 0

4 years ago

Which unit rate is the lowest price per ounce? (5 points)

ELEN [110]

Answer:

Step-by-step explanation:

A 25 ounce bag would cost about 14 cents per oz and the 45 ounce bag would cost about 11 cents per oz

7 0

3 years ago

PLEASE HELP ASAP! BRAINLIEST TO BEST/RIGHT ANSWER

Semenov [28]

= 9 * 10^5 * 3 * 10^10

= 27 * 10^5 * 10^10

= 27 * 10^15

= 2.7 * 10^16 - The best selection appears to be the first option.

Good luck :)