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3 years ago

Armando leaves a 20% tip on a dinner bill of 12.50. how much tip does he leave?

1 answer:

3 0

Hello there! In this question, in order to find the tip Armando leaves, all you have to do is multiply the percentage by the bill. In this case, it cost $12.50, and he leaves a 20% tip. 12.50 * 20% (0.2) is 2.5. There. Armando left a tip of $2.50. The answer is C: $2.50.

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A taxi charges a flat rate of R10, and an additional cost of 30 cents per kilometer. If you have

Maslowich

Step-by-step explanation:

so, just by getting into the taxi we have to pay R10.

that leaves us 22 - 10 = R12 for the actual trip.

30 cents per kilometer.

so, how many units of 30 cents are there in R12 ? that is the number of kilometers we can go.

R12 = 1200 cent (right ?)

1200 / 30 = 120 / 3 = 40

so, we can travel 40 kilometers for that money.

8 0

2 years ago

Wanda wants to buy a pair of shoes that cost $48 if sales tax is 8.25% what will be the total cost

lidiya [134]

48 x 8.25% = 3.96
Now add 3.96 + 48
Answer 51.96

3 0

3 years ago

Match the two numbers with their least common multiple

Darya [45]

8 - 8, 16, 24, 32, 40, 48

4 - 4, 8, 12, 16,

So the LCM of 8 and 4 are C) 8

8 - 8, 16, 24, 32, 40, 48

6 - 6, 12, 18, 24, 30

So the LCM of 8 and 6 are A) 24

8 - 8, 16, 24, 32, 40, 48

10 - 10, 20, 30, 40, 50

The LCM of 8 and 10 are B) 40

Hope this Helps!!

3 0

2 years ago

A rectangle has a perimeter of 58. The width is 7 less than the length. Find the length

Marianna [84]

Answer:

Length = 18 Width = 11

Step-by-step explanation:

Perimeter = 2(length) + 2(width)

So let's label the unknown length as x. Width would then be (x-7). Then plug it into the perimeter equation.

2(x) + 2(x-7) = 58

Then use PEMDAS which will give us

2x+2x-14 = 58

Combine like terms

4x -14 = 58

Add 14 to both sides

4x = 72

To get x by itself you have to divide both sides by 4.

x = 18

So length is 18 and width is (18-7) which is 11.

6 0

2 years ago

Given r(x) = startfraction 11 over (x minus 4) squared endfraction , which represents a domain restriction on r(x) and the corre

Dmitry_Shevchenko [17]

The domain and inverse of the function

$r(x) = \frac{11}{(x - 4)^2}$ is

Domain = $\mathbb{R} - \{4\}$ ,

$r^{-1}(x) = \pm \sqrt{\frac{11}{x}} + 4$

What is a function?

A function from A to B is a rule that assigns to each element of A a unique element of B. A is called the domain of the function and B is called the codomain of the function.

There are different operations on functions like addition, subtraction, multiplication, division and composition of functions.

The given function is

$r(x) = \frac{11}{(x - 4)^2}$

r(x) is not defined if x - 4 = 0

r(x) is not defined for x = 4

Domain = $\mathbb{R} - \{4\}$ ,

Where $\mathbb{R}$ is the set of all real number

Let r(x) = y

$\frac{11}{(x-4)^2} = y\\(x - 4)^2 = \frac{11}{y}\\x - 4 = \pm \sqrt{\frac{11}{y}}\\x = \pm\sqrt{\frac{11}{y}} +4$

$r^{-1}(x) = \pm \sqrt{\frac{11}{x}} + 4$

To learn more about function, refer to the link:

brainly.com/question/22340031

#SPJ4

3 0

9 months ago