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Andreyy89
3 years ago
10

Help me please????????

Mathematics
1 answer:
zheka24 [161]3 years ago
4 0
14.50 + 9.99 + 48 is 72.49 and the sales tax which is 8.2 when turned into a decimal is .082 so next you multiply 72.49 with 0.082 and your tax will be 5.94418 now you add 72.49 with 5.94418 and you will get 78.43418 now you need to round to the nearest cent which is gonna be 418 rounded into 43 but the 4 in the thousandths place is not the number 5 or bigger so you cant round up so it stays as 78.43 so A or 78.43 is your answer
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It for math and we urge learning about slopes. I don’t know really how to find the slope of a line
kykrilka [37]

Step-by-step explanation:

Get a line of which you want to know the slope.

Pick any two coordinates that the line goes through.

Subtract the two y-coordinates from one another.

Subtract the two x-coordinates from one another.

6 0
3 years ago
A football team loses 4 yards on the first play. On the second play they loses 7 yards write and solve the sum of negative integ
djverab [1.8K]
(-4)+(-7)=(-11) although not sure if this is shown in "number line"
5 0
2 years ago
A random walker is observed to take a total of N steps, n of which are to the right (and the rest n^' are to the left). Suppose
ioda

Answer:

p = 0.635

Step-by-step explanation:

A step to the right is n and on ten different days, it was recorded to be

14, 13, 11, 12, 11, 12, 16, 16, 14, 8.

n = average of all the steps,

The average is the sum of variables divided by the number of variables

Average = (14+13+11+12+11+12+16+16+14+8)/10

Average = 12.7 steps.

σₙ² = variance of n

Variance is an average of the squared deviations from the mean.

[Σ(x - xbar)²/N]

Σ(x - xbar)² = (14-12.7)² + (13- 12.7² + (11-12.7)² + (12-12.7)² + (11-12.7)² + (12-12.7)² + (16-12.7)² + (16-12.7)² + (14-12.7)² + (8-12.7)² = 54.1

Variance = σₙ² = (54.1/10) = 5.41

standard deviation = σₙ = √(variance) = √5.41 = 2.326.

The proportion, p can be computed in two ways.

Mean = Np or standard deviation = √[Np(1-p)]

where N = total number of steps = 20

Mean = 12.7 = 20p

p = (12.7/20) = 0.635

Or

Standard deviation = 2.326 = √[20p(1-p)]

5.41 = 20p - 20p²

20p² - 20p + 5.41 = 0

Solving the quadratic equation,

p = 0.5 + 0.143i or p = 0.5 - 0.143i

not a unique or feasible solution, hence, the probability of a step to the right remains p = 0.635

Hope this Helps!!!

5 0
3 years ago
Plzzz help due tomorrow
Orlov [11]

Answer:

1: 4 × 3 + 5

2: 2 × X - 4 + 3 × X + 5

2 × 2x - 4 + 3 + 5

3: X + 4 × X + 6

4 0
3 years ago
If the list price of bicycle is Rs 1000 and it is sold for Rs 900,cfind the list price of the article.
fgiga [73]

Answer:

Accroding to the question my guess for the answer would be 10

Step-by-step explanation:

I solved it like this

1000-900

= 100

=1000/100

=10

6 0
2 years ago
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