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Akimi4 [234]
2 years ago
13

Zane took Jessica to dinner. The check was $31.23. They left a tip of 25% the total check. How much was the total cost of the di

nner (including tip)?
Mathematics
2 answers:
Lady bird [3.3K]2 years ago
8 0
The answer is 39.0375 but rounded to dollars and cents it would be $39.04 including a 25% tip.
tangare [24]2 years ago
6 0
Answer: $39.0375

Step-by-Step Explanation:

Amount for Dinner = $31.23
Tip Rate = 25%
Total Amount = ?

Therefore,
= (25/100 * 31.23) + 31.23
= (780.75/100) + 31.23
= 7.8075 + 31.23
=> 39.0375

Total Amount = $39.0375 or $39.04
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5*10^5 is how many times bigger that 1*10^5
weqwewe [10]

Answer:

5

Step-by-step explanation:

5*10^5=500000 and 1*10^5=100000

6 0
3 years ago
Estimate the perimeter and the area of the shaded figure to the nearest whole number.
soldier1979 [14.2K]

Answer:

Step-by-step explanation:

The area and perimeter of the given shaded figure are respectively 33.12 unit² and 20.56 units.

Area and perimeter-based problem:

What information do we have?

Radius of semi-circle = 8 / 2 = 4 unit

Length of remain Rectangle = 8 unit

Width of remain Rectangle = 2 unit

Perimeter of shaded figure = πr + (l + 2b)

Perimeter of shaded figure = (3.14)(4) + [4 + (2)(2)]

Perimeter of shaded figure = 12.56 + 4 + 4

Perimeter of shaded figure = 20.56 units

Area of shaded figure = πr²/2 + lb/2

Area of shaded figure = (3.14)(4)²/2 + (8)(2)/2

Area of shaded figure = (3.14)(8) + 8

Area of shaded figure = 25.12 + 8

Area of shaded figure = 33.12 unit²

5 0
2 years ago
Read 2 more answers
Line t passes through points (10, 1) and (2, 6). Line u is perpendicular to t. What is the slope of line u?
diamong [38]

Let's find the slope for line t first.

We can use the given points 2,6 and 10,1 to find the slope using the slope formula.

\frac{y.2 - y.1}{x.2 - x.1} = m

1 - 6 / 10 - 2

-5/8

The slope is -5/8.

Because we know the slope of this line, we can find the slope of the next line instantly, as they are perpendicular.

When a slope is perpendicular to another, it is equal to the negative reciprocal.

Negative reciprocal of -5/8 = 8/5

<h3>The slope of line u is 8/5</h3>
8 0
3 years ago
Use the box method to distribute and simplify (5x+2)(3x+3)
shusha [124]
15x^2+21x+6 that’s the answer
3 0
2 years ago
Read 2 more answers
an artist is using tiles and boards for a project. A tile has length 2/3 ft and width 2/3 ft. A board has length 1/2 yd and widt
Margaret [11]

Answer:

  4 : 9

Step-by-step explanation:

The requested ratio is ...

  tile length : board length = (2/3 ft) : (1/2 yd) = (8 in) : (18 in)

  = 8 : 18 = 4 : 9

_____

To make a unitless ratio, both parts must have the same units. Here, we chose to express the lengths in inches. We could have used feet or yards as well. (2/3 ft)×(1 yard)/(3 ft) = 2/9 yd or (1/2 yd)(3 ft/yd) = 3/2 ft. You get the same ratio with any of these:

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  (2/3 ft) : (3/2 ft) = (4 ft) : (9 ft) = 4 : 9 . . . . . multiply by 6

5 0
3 years ago
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