MATHEMATICS MIDDLE SCHOOL

Aaron has a budget of $100 per month to spend on lunch. He made a table showing the total amount of lunch money he will have left after the given number of lunches.Number of lunches 0 5 10 15
Total amount of lunch money left ($) 100 75 50 25
Which equation, in standard form, represents the relationship between the number of lunches, x, and the amount of lunch money Aaron will have left, y?

x + 5y = 100

100x + y = 5

x + 100y = 5

5x + y = 100

Answers

Answer 1

Answer: 5x + y = 100
5(5 lunches) is 25 arbitrary units
amount left after 5 is 75
25 + 75 = 100
each lunch is 5 dollars

Answer 2

Answer:

Answer:

its D

Step-by-step explanation:

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If you use $99.00 ÷ 11 to estimate $98.69 ÷11

Answers

Yes becuase 100 cant be multiply by 11 so u sre correct

Could you elaborate on the actual question?

Is 3/8 greater than 4/10

Answers

No, because 3/8=30/80 and 4/10=32/80.

if the fractions do not have the same denominator, or bottom number, you have to convert them . Both 10 and 8 go into 40, so converted 4/10 is equal to 16/40 ( 10X4) (4X4) 3/8 is 15/40 (8X5) (5X) so since 16 is greater than 15, 4/10 is greater than 3/8.

Divide £52 in the ratio 11:2

Answers

First, get the sum of the ratio. (11 + 2 = 13)

Divide 52 by 13 to find one 'part' of the ratio. (52 ÷ 13 = 4)

Now that we have one 'part' of the ratio, we multiply it by 11 and 2 to get: (£4 × 11 = £44) and (£4 × 2 = £8).

The ratio will be £44:8.

We can check if this is correct by adding 44 and 8 to see if it adds up to 52. (44 + 8 = 52). It does, so it's correct.

A cylinder has a radius of 12m and a height of 8m. What is the approximate surface area of the cylinder? use 3.14 for Pi.

Answers

Surface Area = 2 × π × r × (r+h). So 2 × π × 12 × (12+8). Then 2 × π × 12 × 20. And then 480 π. And your answer is about 1507.

Simple, A=2πrh+2πr²=2*π*12*8+2*π*12²=1507.96447m². If you want to round your answer, it would be 1507.96m²

Which of the following is true of the data set represented by the box plot?A.the greatest value in the set is 79
B. The data is evenly distributed throughout the middle half
C. The data has an IQR of 45
D. Removing the outliers would not affect the median

Answers

It would be D, using process of elimination ;))

Answer: D.

Step-by-step explanation: The rest are wrong

Write one example of a linear function and one example of a non-linear function. (Use x and y as the variables)

Answers

Linear functions:

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Non-linear functions:

y = 1 / x

y = 2 log(x)

y = 3 x²

y = √x

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