A college student goes to lunch at school and pays for lunch with her ID. Her mother put money into her account for her to do so, but she doesn’t know how much. ​Lunch is the same cost each day​ , but she doesn’t know what the cost is. After buying ​4 lunches​, she sees that her ​account balance is $91​ . After buying ​9 lunches​ , her ​balance is $67.25​ .

A College Student Goes To Lunch At School And Pays For Lunch With Her ID. Her Mother Put Money Into Her

Answers

Answer 1

Each lunch would cost 4.75

Answer 2

Yes, the relationship is linear.

The cost of each lunch is $2.639.

The initial amount deposited by her mother is $101.55.

What is the slope?

The slope is the rate of change of the y-axis with respect to the x-axis.

The equation of a line in slope-intercept form is

y = mx + b, where

slope = m and y-intercept = b.

We know the greater the absolute value of a slope is the more steeper is it's graph or rate of change is large.

From the data itself, we can obtain two points to find the slope the points are

(4, 91) and (9, 67.25).

Slope(m) = (67.25 - 91)/(9 - 4).

Slope(m) = - 2.639.

The cost of each lunch is 2.639.

∴ 67.25 = -(2.639).9 + b.

b = 91.

∴ y = -(2.639)x + 91.

The initial amount put by her mother is 91 + 4(2.639) = $101.55

learn more about slopes here :

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Related Questions

Which expression results from using the Commutative Property of Addition to rewrite 9 5/6 + ( − 6 2/3 ) + 8 1/6 ?

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Answer:

free points pogchamp

Step-by-step explanation:

H E L P m e P L E A S EEEEE

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Since a pizza is in shape of a circle. A circle is 360 degrees around, so if you divide this by the amount of pizza pieces.
360 degrees divided by 6 will equal 60 degrees.
Therefore, the pizza’s rotational symmetry is 60 degrees.

I hope this helps :)

PLEASE HELP I'LL GIVE YOU THE BRAINLIEST + 10 POINTS!

What is the length of a ramp with the highest point being 5 feet above the ground, and the base of the ramp being 12 feet horizontally? Find the length.

Answers

Answer:

5^2+12^2= c^2

25+144=c^2

169=c^2

find the square root of 169

the length is = 13 ft

Step-by-step explanation:

Answer:

13

Step-by-step explanation:

In this concept, it forms a right triangle because it is 5 feet high, the base is 12 feet horizontally, and you need to find the hypotenuse (the longest side of the triangle/the slanted side). In this case, you can use the Pythagorean Theorem, which is [tex]a^{2}+b^{2}=c^{2}[/tex], where a and b are the lengths of the triangle, and c is the hypotenuse.

-We know a and b already, which are 5 and 12. So substitute a and b in the equation:  [tex]5^{2}+12^{2}=c^{2}[/tex]

-Then, simplify to get:  [tex]25+144=c^{2}[/tex]

-Add the 25 and 144 to then get:  [tex]169=c^{2}[/tex]

-Find the square root of both sides to only get c left (the hypotenuse): [tex]\sqrt{169}=\sqrt{c^{2}}[/tex]

-Then you’ll get: [tex]\sqrt{169}=c[/tex], which simplifies to [tex]13=c[/tex]

ANSWER: 13

Hope this helps and answers your question! :)

Does the following picture represent a linear function?

Answers

Yes..................

Answer:

yes because a Linear functions is a straight line

Step-by-step explanation:

A bike rental is $20 for a day and $3 for an hour. Caroline rented a bike for 2 days and 2 hours. Write and equation you could use to find how much money,M, caroline spent.

Answers

Answer:

M = 20(2) + 3(2) = $46

Step-by-step explanation:

Here, we want to write an equation that could be used to find the amount of money spent

The rental charges $20 for a day and $3 for an hour

For 2 days, amount is 2 * 20 = $40

for 2 hours , amount is 3 * 2 = $6 hours

The amount Spent M will be;

M = 20(2) + 3(2) = $46

What are some steps you might take after coming to a solution? Check all
that apply
O A. Double-check that your answer satisfies the equation,
B. Write down the facts,
I c. Create a logical name for the variable,
ID. Present your answer with units.
I E. Draw a diagram
E Gather your resources,

Answers

Answer:

A and B and E

Step-by-step explanation:

because u always double check

Answer:

A and D

Step-by-step explanation:

I guess it depends on what kind of math you're doing but in general I would say these two at least. No matter what kind of math you're doing you should always double check your answer and make sure it has the correct units with it.

choose the correct equation for the line shown on the graph
y=-1/4x-4
y=1/4x-4
y=-1/4x-1
y=1/4x-1​

Answers

it would be C y=-1/4x-1

Answer:

yes the other guy is right

Step-by-step explanation:

becuz it's always -

- = down/run

y-2=-4

Help please tyy

Answers

Answer:

y = -2

Step-by-step explanation:

y - 2 = -4

add 2 to both sides

y - 2 + 2 = -4 + 2

y = -2

Answer:y= -2

Step-by-step explanation:

What must tony deposit today so he will have $60,000 in four years

Answers

It should be $15,000

Write an equation in slope intercept form (y=mx+b) for the graph below .



Please help I’m tryna gts I have a test for history tmr:(

Answers

Answer:

Step-by-step explanation:

b would be 0

your slope is rise/run. up one and over three. up one and over three. so 1/3

write it as y=1/3x+0, or y=1/3x

Cecily’s teacher held a raffle. To win the raffle, a student has to pick a paper scroll with an integer written on it. The chart shows the scrolls picked by Cecily and her friends. Name Paper Scroll( Cecily A scroll labeled 6.7. Marty A scroll labeled negative 37. Jon A scroll labeled StartFraction 7 Over 9 EndFraction Fiona A scroll labeled 3 and one-third).

Answers

Answer:

b

Step-by-step explanation:

Answer:

b

Step-by-step explanation:


What is the value of x in the equation

Answers

Answer:varible

Step-by-step explanation:

What was the price of the car before the sales tax was added?

Answers

Answer:

One big reason why a car’s total price won’t match the price on its window sticker relates to fees charged by a car dealership and the automaker. For example, although a car may cost $19,995 according to the window sticker, that figure might be the price before the addition of a destination charge, which is a pricy manufacturer’s fee that can add up to $1,000 to the price. A dealer may also charge a documentation fee to prepare the vehicle’s documents for sale, and this figure can sometimes cost as much as $500. There are mandatory government fees too, such as the cost to process the car’s title work or change the registration to your name.

Step-by-step explanation:

Dealer and manufacturer fees usually aren’t the biggest add-ons to a car’s purchase price. The priciest addition typically comes in the form of taxes, since most states levy a sales tax on the entire price of a new or used vehicle. Since sales taxes can range as high as 8-10 percent in some areas, this can easily add thousands of dollars to your vehicle’s purchase price. For example, a $20,000 car purchased in an area with a 7 percent sales tax will cost an extra $1,400 on top of the purchase price, while a $30,000 car bought in a place with a 9 percent sales tax will see a whopping $2,700 price boost before you can drive it home.

18 more than twice a number is 8

Answers

Answer:

huh

Step-by-step explanation:

wait what you talk about

Shelby's family has a cell phone data plan that provides each family member with 5 gigabytes of data. Which ratios correctly relate the number of family members to the number of gigabytes of data?

Answers

Complete question is;

Shelby's family has a cell phone data plan that provides each family member with 5 gigabytes of data. Which ratios correctly relate to the number of family members to the number of gigabytes of data? Select all that apply

A) 1 to 10

B) 2 to 5

C) 2 to 10

D) 3 to 15

Answer:

Option C & D are correct.

Step-by-step explanation:

We are told that there is a cell phone data plan that provides each family member with 5 gigabytes of data.

This means that 1 family member gets 5 gigabytes of data.

Thus, ratio of family members to gigabytes of data will be at least;

1 : 5

In option A, we have ratio 1 to 10. This is wrong because it means 1 family member gets 10 gigabytes which doesn't follow with the 5 gigabytes provided.

In option B, we have ratio 2 to 5. This is wrong because it means 2 family members are sharing 5 gigabytes whereas the question says each family member gets 5 gigabytes.

In option C, we have ratio 2 to 10. This is correct because it means 2 family members share 10 gigabytes equally which means each has 10/2 = 5 gigabytes.

In option D, we have ratio 3 to 15. This is correct because it means 3 family members share 15 gigabytes equally which means each has 15/3 = 5 gigabytes.

The diagram below shows the measurements of a bookcase. What is the total height of the bookcase?

Answers

Answer:

C

Step-by-step explanation:

The total height of the bookcase is 17 1/8. So the answer to your question is C.

−3/8 ÷ 7/12
−0.75 ÷ 0.03
Please help asap!!!

Answers

-3/8÷7/12 = -9/14

-0.75÷0.03 = -25

HELP WILL GIVE BRAIN

Answers

Answer:

The 3rd choice

Step-by-step explanation:

Answer:

3 times 15 = 9x

Step-by-step explanation:

because when you cross multiply 3 is with 15 and 9 with x

A cookie factory uses 2⁄5 of a bag of flour in each batch of cookies. Yesterday, the factory used 4⁄5 of a bag of flour. How many batches did the factory make yesterday?

Answers

Answer:

2 batches

Step-by-step explanation:

4/5 divided by 2/5 is 4/5 times 5/2, which is 20/10, and is also 2.

Answer pleaseeee??? Thanks

Answers

Answer:

I believe its true

Step-by-step explanation:

The numerical expression is true

The distance between two train stops is 160 miles the train will travel 3/4 miles per minute how long will it take the train to reach it's destination

Answers

Answer:

3hours 55 minute

Step-by-step explanation:

Step one:

Given data

distance= 160miles

velocity = 3/4 miles per minutes

Step two:

Required:

time

we know that velocity is

v=distance/time

times= distance/velocity

time=160/3/4

time= 160*4/3

time=640/3

time=213.33333minuts

Time= 3hours 55 minute

Time taken to cover distance is 213.33 seconds.

Speed, Time and Distance:

Given that;

Distance between two bus stop = 160 miles

Speed of train = 3/4 miles per minute = 0.75 miles per minute

Find:

Time taken to cover distance

Computation:

Time = Distance / Speed

Time taken to cover distance = 160 / 0.75

Time taken to cover distance = 213.33 seconds

Find out more information about 'Speed':

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There are two aquariums in a science room. One of the aquariums is 18 inches wide, 25 inches long, and 12 inches high. If there are 231 cubic inches in a gallon, how many gallons of water can the aquarium hold( to the nearest tenth of a gallon)

Answers

Answer:

23 (rounded) (You can't overflow a fish take Or what would be the point of the tank.)

Step-by-step explanation:

The unrounded answer is 23.376623376623376623376623376623.

At the animal board house, the ratio of dogs to cats is 5:2. If there are 70 dogs in boarding, how many total animals are at the boarding house?

Answers

Answer:

98 total animals

Step-by-step explanation:

For every 5 dogs, there are 2 cats.

For every 10 dogs, there are 4 cats.

For every 15 dogs, there are 6 cats.

Hopefully you can see the pattern by looking at dogs and cats.

So for 70 dogs, 70 / 5 = 14

So you multiply the amount of dogs by 14 to get 70, but you also have to do the same with cats.

2 cats * 14 = 28 cats.

70 dogs + 28 cats = 98 total animals.

please help, will mark brainliest if you get it right :).

Answers

Answer:

Step-by-step explanation:

It is not a function because it does not pass the vertical line test. You can not have the same x in a function.

Answer:

C

Step-by-step explanation:

If you properly perform the vertical line test, you can see that the points are on the same x, which means the graph is undefined and not a function.

Hope this helps!

solve the equation -6-6x-4x-3x

Answers

Answer:

big boi11

Step-by-step explanation:

-13x-6 add all the like terms and put the variables in front of equations

The chart below shows the gumball colors in a machine and the probability of getting each color gumball out of the machine. Which color gumball is least likely to come out of the machine?

PLZZZZ I need help I don't understand probability

Answers

can you show us the chart? it’s not in your problem!

PLEASE HELP ME ASAP?!?!:(
What is the midpoint of the segment below?

Answers

A. (0.5, -0.5) is the midpoint

Can anyone help me please

Answers

Answer:

dufenschmertz evil incorporated...

Step-by-step explanation:

after hours ;)

2(y+5)=3(y-8) what value makes y ture

Answers

Answer:

y=34

Step-by-step explanation:

2y+10=3y-24

2y+10-10=3y-24-10

2y=3y-34

-y=-34

-y -y

y=34

Answer:

i think it would be 34

Step-by-step explanation:

2(y+5) = 3(y-8)

2y + 10 = 3y - 24

-2y -2y

10 = 1y, or y -24

10 = y - 24

+24 +24

34 = y

hope this helps

A city is running out of phone numbers available for their population. They currently have 2,000,000 available phone numbers. They intend to create new area codes with the form ABC, where A can be digits 2-8, B can be digits 5-9, and C can be digits 5-9. How many TOTAL phone numbers will the city have after adding the new area codes?

Answers

Answer:

The total phone numbers, if the latter ABC is followed, will be 175.

Step-by-step explanation:

We are told that the digits will be in the form ABC and A can take values from 2 – 8, B from 5 – 9 and C from 5 – 9 as well.

This means:

A has 7 possible values (when you count the number of numbers between 2 and 8).

B has 5 possible values.

C has 5 possible values.

Therefore, the total phone numbers, if the latter ABC is followed, will be:

7 x 5 x 5 = 175.

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