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goblinko [34]
2 years ago
9

You served food to a group at a restaurant. The total cost of the food was $42.00. The sales tax is 8% of the cost of food. The

group asked you to add 20% of the original cost of food for a tip. What was the total cost for the group?
Mathematics
2 answers:
jarptica [38.1K]2 years ago
6 0

Answer:

$53.76

Step-by-step explanation:

Given cost of food = $42

tax = 8% of $42

= (8/100) x $42

= $ 3.36

tip = 20% of $42

= (20/100) x $42

= $ 8.40

FInal cost = $42 + $3.36 + $8.4 = $53.76

Inessa05 [86]2 years ago
5 0

Answer:3 and 9 over 25

Step-by-step explanation:

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What is the range of the function graphed below?
PilotLPTM [1.2K]

Answer:

[-4,0) ∪ [2, ∞)

Step-by-step explanation:

For piecewise function domain and range, we need to understand the difference between "(" and "["  or  ")" and "]"

  • The parenthesis ( "(" and ")" ) are used for "open circles" in the graph.
  • The brackets ( "[" and "]" ) are use for "closed circles" in the graph.

Range is the set of y-values for which the function is defined.

Now,

The upper part of the function shows the graph going from y = 2 towards infinity (arrow). At y = 2 , there is closed circle, so this part range would be

[2, ∞)  (infinity is always with parenthesis)

Now, looking at bottom part, the function is defined from 0 (open circle) to -4 (closed). so we can write:

[-4,0)

This is the range, 2nd answer choice is correct.

[-4,0) ∪ [2, ∞)

3 0
3 years ago
Read 2 more answers
Find the square of ( b - 9 )
Kruka [31]

Answer:

{b}^{2}  - 18b + 81

Step-by-step explanation:

{(b - 9)}^{2}  =  {b}^{2}  - 2 \times b \times 9 +  {(9)}^{2}  \\  =  {b}^{2}    - 18b + 81

6 0
2 years ago
A tourist standing in the center of the roof of a 1,000-foot skyscraper wants to take a photograph of the top of an adjacent sky
Masteriza [31]

Answer:

F 55.9° G 27.6°

H 57.2° J 34.1°

Step-by-step explanation:

4 0
2 years ago
Which function represents the graph of f(x)=−4|x| after it is translated 3 units down?
vladimir1956 [14]

Answer:

The function with blue line (see attachment) represents the graph of f(x) = -4\cdot |x| after it is translated 3 units down.

Step-by-step explanation:

Mathematically speaking, a translation in the y-direction is defined by the following expression:

g(x) = f(x) + k (1)

Where:

g(x) - Resulting function.

f(x) - Original function.

k - Translation factor (k > 0 - Translation in the +y direction/k< 0 - Translation in the -y direction).

If we know that original function is translated 3 units down and f(x) = -4\cdot |x|, then the resulting function is:

g(x) = -4\cdot |x|-3

Lastly, we graph both original and resulting functions with the help of a graphing tool, whose outcome is presented in the image attached below:

Please notice that the red line represents the original function, whereas the blue line represents the resulting function.

8 0
2 years ago
Ricardo wants to install two security cameras at point A so the parking lot from side AE to side AB of the building can be monit
german

Step-by-step explanation:

<u>The two cameras will have total view of:</u>

  • 110° + 110° = 220°

<u>The angle to be viewed is:</u>

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This is not sufficient to cover the needed area as 220° < 255°

<u>The cameras should have a minimum view of:</u>

  • 255°/2 = 127.5°

5 0
2 years ago
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