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2 years ago

Faith wants to add a 20% tip to a $56 restaurant bill. How much will Faith pay including the tip?

Mathematics

2 answers:

liq [111]2 years ago

4 0

Answer:

67.20$

Step-by-step explanation:

multiply 56 by 1.2

VladimirAG [237]2 years ago

4 0

Answer:

$67.2

Step-by-step explanation:

Given:

Price = $56
Tip = 20%

∴ Equation: Price + Tip = Total

⇒ 56 + (20/100 × 56) = Total

Simplify the equation to obtain the total:

⇒ 56 + (20/100 × 56) = Total
⇒ 56 + (20/50 × 28) = Total
⇒ 56 + (20/25 × 14) = Total
⇒ 56 + (4/5 × 14) = Total
⇒ 56 + (56/5) = Total

Convert the expression in the parenthesis into decimals:

⇒ 56 + (56/5) = Total
⇒ 56 + (11.20) = Total

Open the parenthesis and simplify:

⇒ 56 + 11.20 = Total
⇒ $67.2 = Total

Faith will pay (including the tip) $67.2.

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Which of the following is the graph of y=- square root x+1

maks197457 [2]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

$y=-\sqrt{x+1}$

Find the intercepts

The y-intercept is the value of y when the value of x is equal to zero

For x=0 -----> $y=-\sqrt{0+1}=-1$

The y-intercept is the point (0,-1)

The x-intercept is the value of x when the value of y is equal to zero

For y=0 -----> $0=-\sqrt{x+1}$ -----> $x=-1$

The x-intercept is the point (-1,0)

Find the domain

we know that

The radicand must be positive

$x+1\geq0$

$x\geq-1$

All real numbers greater than or equal to -1

The range is all real numbers less than or equal to -1

using a graphing tool

see the attached figure

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2 years ago

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Classifying and ordering real numbers

Nata [24]

What's the question?

3 0

2 years ago

Dana has 4 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the ra

Sedaia [141]

Answer:

2hrs 40 minutes

Step-by-step explanation:

The formula for distance is expressed as:

$d=st, s=speed, t=time$

#The time taken to run:

$d=st\\\\t=d/s\\\\t_r=d/8$

#The time taken to walk:

$d=st\\\\t=d/s\\\\t_w=d/2$

#Since the distances are the same:

$d_r=8t_r,d_w=2t_w\\\\8t_r=2t_w\\\\t_r+t_w=4->t_w=4-t_r\\\\\therefore8t_r=2(4-t_r)\\\\8t_r=8-2t_r\\\\t_r=1\frac{1}{3} \hrs\\\\t_w=4-1\frac{1}{3}=2\frac{2}{3}\ hrs$

Hence, Dana spends 2hrs 40 minutes walking back

8 0

2 years ago

Jeremy weighs 60 pounds. Marilyn weighs 19 pounds. How much heavier is Jeremy than Marilyn

Schach [20]

60 - 19 = 41

Jeremy is 41 pounds heavier than Marilyn.

5 0

2 years ago

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The function C(x)=−20x+1681 represents the cost to produce x items. What is the least number of items that can be produced so th

Reptile [31]

Answer:

The least number of items to produce is 41

Step-by-step explanation:

Average Cost

Given C(x) as the cost function to produce x items. The average cost is:

$\displaystyle \bar C(X)=\frac{C(x)}{x}$

The cost function is:

$C(x) = -20x+1681$

And the average cost function is:

$\displaystyle \bar C(X)=\frac{-20x+1681}{x}$

We are required to find the least number of items that can be produced so the average cost is less or equal to $21.

We set the inequality:

$\displaystyle \frac{-20x+1681}{x}\le 21$

Multiplying by x:

$-20x+1681 \le 21x$

Note we multiplied by x and did not flip the inequality sign because its value cannot be negative.

Adding 20x:

$1681 \le 21x+20x$

$1681 \le 41x$

Swapping sides and changing the sign:

$41x \ge 1681$

Dividing by 41:

$x\ge 41$

The least number of items to produce is 41

8 0

2 years ago