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USPshnik [31]
2 years ago
6

Plz help! read the instructions and write a proper answer and if you don't i will report you! And the first one to answer right

will get a brainliest!

Mathematics
1 answer:
ahrayia [7]2 years ago
3 0

Answer:

1 = 0.61, 2 = 1.13

Step-by-step explanation:

The first is 25 + 25 + 10 + 1. This is 61 cents which is 0.61 of 1 dollar. The second is 100 + 10 + 1 + 1 + 1. This is equal to 113, 0r 1.13

BRAINLIEST PLEASE

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What is the slope of the line through the points (-3, -5) and (-4, -2)
Ede4ka [16]

Answer:

slope= -3

Step-by-step explanation:

the slope formula is \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

plug in your numbers: \frac{(-2)-(-5)}{(-4)-(-3)}

solve:\frac{3}{-1}

simplify: -3

5 0
3 years ago
Please help ill give u brainliest!!!
Gre4nikov [31]

.........................................

8 0
3 years ago
Read 2 more answers
Will someone please help me with these questions. The table shows the average annual cost of tuition at 4-year institutions from
erastovalidia [21]

Step-by-step explanation:

1.) The equation for the line of least squares regression is given by

Y=mX+c

where Y = Output Variable = Average Cost (in thousands of dollars)

           X = Input Variable = Number of years after 2000

Thus, the given data table transforms as follows:

No. of years after            3             4          5           6          7           8             9          10

after 2000 (X)

Average Cost (Y)         15.505   16.510  17.451   18.471   19.363  20.409  21.093 22.092

To determine the equation precisely, we need to calculate the values of 'm' (Slope) and 'c' (Y-intercept)

Let us take any two random values of X and Y from the above table, so that we have

X₁ = 3; Y₁ = 15.505       and      X₂ = 8; Y₂ = 20.409

Plugging in these two sets of values, we get the following two equations:

15.505 = (3)m + c     and

20.409 = (8)m + c

Let us subtract the upper one from the lower one so that we have

20.409 - 15.505 = 8m + c - 3m - c

4.904 = 5m

Hence, m = 0.9808

Using this value and plugging it in one of the above equations yields the value of c as

20.409 = 8(0.9808) + c

Therefore, c = 12.563

So, the required equation for the line of least squares regression is

Y = (0.9808)X + 12.563

2.) To estimate the cost of tuition at a 4-year institution in 2000, we can put the value of X to be 0.

We have Y = 0 + 12.563

Thus, the cost of tuition in 2000 was $12,563.

3.) To estimate the cost of tuition in 2020, we put the value of X as 20 so that we have

Y = (0.9808)(20) + 12.563 = 32.179

Therefore, we can expect the cost of tuition to be as high as $32,179 by 2020.

4.) The slope tells us the factor by which the tuition increases each year, starting with the base of 12,563 dollars in 2000.

One way to lower the cost of college tuition is by applying for a waiver based on income level. Alternatively, one can also work at the school.

One can join a part-time graduation program while working for the rest of the day so that one may support oneself as well as pay for their courses. Alternatively, one can opt for Online Courses and get some Diploma in their area of interest while working part-times so that they may pursue a degree later on in their life.

3 0
3 years ago
Please choose the correct answer, I would appreciate it very very much!!! I will mark as brainlesist (srry I totally forgot how
MrRa [10]
The answer choice is D
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3 years ago
Ping's Ice Cream Palace offers a special sundae that contains over 2kilograms of ice cream plus any number of toppings.
Dvinal [7]

I'm not exactly sure, so if I'm wrong please correct me.

The equation is 2kg + x = s

                                     ↓

(can be any variable letter)

7 0
3 years ago
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