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Nesterboy [21]
3 years ago
6

What are the slope and the y-intercept of the linear function that is represented by the equation y=9x-2?

Mathematics
1 answer:
Doss [256]3 years ago
4 0
The slope is 9, and the y-intercept is –2 is your answer!
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What is the absolute value of the expression of negative 5X +12 when X equals five
nata0808 [166]

Answer: 13

Step-by-step explanation:

x = 5

-5 (5) + 12

-25 + 12

-13

abs(-13) = 13

To find absolute value, solve the equation as is and then make the answer positive.  

5 0
3 years ago
Please hurry
tester [92]

Answer:

D

Step-by-step explanation:

divide 10 times starting with 100.

The answer is 25/256 or 0.09765625

5 0
4 years ago
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 <span>packets of crackers
p -</span> <span>number of packets of pretzels

p = 2n+9

s - </span><span>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}\\\\\\&#10;p=2n+9=2\cdot42+9=\boxed{93}\\\\s=6n+27=6\cdot42+27=\boxed{279}

There are 42 </span><span>packets of crackers, 93 </span><span>packets of pretzels and 279 packets of peanuts.

Part B.

x - number of rows with exactly 2 </span><span>passengers
y </span>- number of rows with exactly 3 <span>passengers

and:

\boxed{\begin{cases}x+y=48\\2x+3y=132\end{cases}}\\\\\\&#10;\begin{cases}x+y=48\quad|\cdot2\\2x+3y=132\end{cases}\\\\\\&#10;\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 </span><span>12 rows with exactly 2 passengers and 36 rows with exactly 3 passengers.</span>
3 0
4 years ago
What is the y-intercept of y=0.75(4)x?<br><br><br><br> Please answer very soon!!!!
Serga [27]

Answer:

y-intercept = 0.75

Step-by-step explanation:

y = mx + b

b = y-intercept

1. Restructure equation format

y = 4x + 0.75

2. Find b

y = 4x<u> + 0.75</u>

3 0
4 years ago
PLEASE HELP I WILL MARK YOU BRAINLIEST
Vlad [161]

Answer: Part A: 44/30 or 1 and 7/15. Part B: 17/30

Step-by-step explanation: Convert all the fractions to a denominator of 30 and do the adding and subtracting.

8 0
3 years ago
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