your family takes a taxi from the airport to your hotel. The total charge for the ride is $38.55. How much should you give the cab driver as a tip if you want the tip to be about 15%

Answers

Answer 1
Answer: % = of 100
38.55 / 100 = 0.3855
0.3855 x 15 is 5.7825 dollars of tip or 5.80 estimate
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The icnceased demand for vegetarian meal has caused an increase in the price to toofu. if the cost of tofu is currently $2.99per pound , and is increaseinf by 6% per year, what will it cost in 5 year?
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Twice the difference of the number and 11

Given: 5x + 3 > 4x + 7. Choose the graph of the solution set.

Answers

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

5x+3 > 4x+7

solve for x

Group terms that contain the same variable, and move the constant to the opposite side of the inequality

5x-4x > 7-3

x> 4

The solution is the interval-------> (4,∞)

All real numbers greater than 4

The solution is the shaded area to the right of the vertical dashed line

see the attached figure

Let's solve your inequality step-by-step.

5x+3>4x+7

Step 1: Subtract 4x from both sides.

5x+34x>4x+74x

x+3>7

Step 2: Subtract 3 from both sides.

x+3−3>7−3

x>4

Answer:

x>4

a boy is 17 tears old and his sister is twice as old. when the boy turns 23 yrs old what will be the age of his sister?

Answers

So,

We know that the boy is half as old as his sister.

Boy now = 17
Sister now = 34

Boy + 6 = 23

So, we add 6 to the sister's current age.
34 + 6 = 40

The sister will be 40 years old.
b=17
s=2b=17(2)=34
so

34-17=17 therefor
s-17=b

so
s-17=23
add 17 to both sdies
s=40
sister will be 40

Suppose that the 100 people in society C all know the same 10 facts, while the 10 people in society D specialize, with each person knowing 5 unique facts as well as 5 facts also known by the other 9 members of the society. If the standard of living is roughly equivalent to the average number of social facts known per person, how many times better is the standard of living in society D

Answers

Answer:

29 times

Step-by-step explanation:

Given :

Society C ;

Population = 100

Number of facts known = 10

Average fact known per person = known fact / population = 10 / 100 = 0.1

Society D:

Population = 19

Common fact = 5

Specialized fact = 5 * 10 = 50

Total facts = 55

Average fact known per person = 55 / 19 = 2.8947368 fact per person

Number of times society D is better :

2.8947368 / 0.1 = 28.947 times

Approximately 29 times

A coin is tossed ten times. The probability of heads on each toss is 0.5. Evaluate the probability of getting exactly 6 heads.

Answers

The probability of getting exactly 6 heads is: 10!/6!(10-6)! * (1/2)^6 (1 - 1/2)^4 = 0.205 or 20.6 %

2. Yumi takes hour to complete 50 math problems. Eric is able to complete 48math problems in hour. Which student can complete math problems at a
greater rate of problems per hour?

Answers

Answer:

Yumi

Step-by-step explanation: because she is 2 ahead of Eric

Answer:yumi is faster by two questions Step-by-step explanation:

3 + yi = x - 7i

Find the real numbers for X AND y that make the equation true

Answers

Answer:

x=3

y=7

Step-by-step explanation:

3+yi=x-7i

equate real and imaginary parts

3=x

y=-7

Final answer:

To find the real numbers x and y that make the equation true, set the real parts and imaginary parts equal to each other. The solution is x = 3 and y = -7.

Explanation:

To find the real numbers x and y that make the equation true, we need to equate the real parts and imaginary parts of both sides of the equation. The real part of 3+yi is 3, and the real part of x-7i is x. Equating these gives us the equation 3 = x. The imaginary part of 3+yi is y, and the imaginary part of x-7i is -7. Equating these gives us the equation y = -7. Therefore, the values of x and y that make the equation true are x = 3 and y = -7.

Learn more about Complex Numbers here:

brainly.com/question/20566728

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