MATHEMATICS MIDDLE SCHOOL

A ski resort has 18 inches of snow on the ground. The snow is falling at a rate of 4 inches per hour. which type of functions best model this situation?​

Answers

Answer 1
Answer:

Answer:

Linear Function

y=4x+18

Step-by-step explanation:

Let

x----> the time in hours

y----> the total inches of snow on the ground

we know that

The function that best model this situation is the linear function

so

y=mx+b

In this problem

m=4(in)/(h)

b=18\ in ----> the y-intercept

substitute

y=4x+18
Answer 2
Answer:

Answer:

Linear decreasing function best model this situation and the required function is

f(x)=4x+18

Step-by-step explanation:

It is given that a ski resort has 18 inches of snow on the ground. The snow is falling at a rate of 4 inches per hour.

If a function has constant rate of change, then the it is a linear function.

It the given case the rate of change is constant so linear function best model this situation.

The slope intercept form of linear function is

f(x)=mx+b           ... (1)

where, m is slope and b is y-intercept or initial value.

Ski resort has 18 inches of snow on the ground it means initial value is 18.

The snow is falling at a rate of 4 inches per hour. So, m=4.

Substitute m=4 and b=18 in equation (1).

f(x)=4x+18

Therefore the required function is f(x)=4x+18.

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At Marvin's Motorcycle's a pair of gloves sell for $85. Marvin purchases them from the manufacturer for $50. What is the percent markup on the gloves?

Answers

Answer:

60% more.

Step-by-step explanation:

So you know 50 divided by 2 is 25, so add that to 50 to get 75. then you need to add ten more so you divide 50 by 5. so then 25+5 is 30 and 30 is 60% of 50 so it is marked up by 60% more.

Answer:

Maybe 58.82%

Step-by-step explanation:

50*100= 5000, 5000/85= 58.82

How would you solve (4k+5)(k+1)=0?

Answers

(4k+5)(k+1)=0\iff4k+5=0\ or\ k+1=0\n\n4k=-5\ or\ k=-1\n\n\boxed{k=-(5)/(4)\ or\ k=-1}
(4k + 5) (k + 1) = 0

Before you rush off and start trying to do complicated things with that equation,
put your pencil down, fold your hands in your lap, and sit and look at it for a while.
Keep looking at it until a little voice yells out "Hey !  That's a true statement if
either (4k + 5) is zero  or  (k+1) is zero.  THEN go to work on it.

(4k + 5 = 0)
4k = -5
k = -5/4

(k + 1 = 0)
k = -1

And there are the two solutions to that equation.

A circular swimming pool is 21 feet in diameter. What is the circumferenceof the swimming pool? *

Answers

Answer:

66 feet

Step-by-step explanation:

diameter = 21 feet

circumference of circle = 2πr or πd

circumference of swimming pool = 22/7 * 21

                                                       = 22 * 3

                                                       = 66 feet

Hope this year is useful!!

Suppose that the grade 7 students expect to sell between 100 and 150 hot dogs how many packages of 12 wieners and 8 buns should the students buy if they don't want any leftovers justify your answer

Answers

The students should buy 144 packages of 12 wieners and 8 buns.

What is HCF?

The highest common factor is defined as the set of numbers with the highest common multiple. The highest positive integer with more than one factor in the set is HCF.

We have been given that the grade 7 students expect to sell between 100 and 150 hot dogs.

We have to determine the common multiple between 100 and 150

Here are multiples of 8:

8,16,24,32,40,.... , 136, 144

Here are multiples of 12:

12,24,36,48....., 132, 144

The highest common factor is 144 which is lower than 150 hotdogs, so it is 144.

Therefore, the students should buy 144 packages of 12 wieners and 8 buns.

Learn more about the highest common factor here:

https://brainly.in/question/3803222

#SPJ2
you have to find the common multiple between 100 and 150

multiples of 8: 8,16,24,32,40,48,56,64,72,80,88,96,104,112,120 ,128 , 136, 144

multiples of 12: 12,24,36,48,60,72,84,96,108, 120, 132, 144

The GCL  (Greatest common multiple) is 144 that is lower than 150 hotdogs, so it is 144.
12 packs of weiners, 18 packs of buns.

How many tines does 34 go into 204

Answers

6 because you just have to devide 204 by 34 and it = 6

hope this helps.
the best thing to do is to divide 204 by 24
204/34= 6.
Therefore, 34 goes into 204, 6 times
Hope this helps :) 

Help! I need the answer as fast as possible.

Answers

i believe there are 210 blue counters in the bag im not sure but this is how i got this.

a whole will =1

1-.3=.7 
there are 90 blue counters in .3 and there are 2.33333(repeat) in .7 
 so i multipled 2.3333(repeat) by 90.  2.3333(repeat)*90=210
                           -hope i got it right and that this helps-
p.s. i know it was confusing i have a very different way of thinking, lol.
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