A family of four went to dinner at a local restaurant. Three of the family members ordered the special dinner that costs $12.88 each and the fourth family member ordered the hamburger and fries combo that costs $6.78. If they want to leave a 15% tip, which of the following expressions represents the amount of tip they should leave?

A. (12.88+6.78)×0.15

B. (3×12.88+6.78)×0.15

C. 3×12.88+6.78

D. [3×(12.88+6.78)]×0.15

Answers

Answer 1
Letter B would be your corrected answer

Related Questions

A nurse must give a patient 50mg of a drug for each kilogram of the patients mass if patient weighs 198 lb how many milligrams of the drug should be given

Answers

Answer:

4,500 mg

Step-by-step explanation:

198x1x50=9900

1x2.2x1=2.2

9900/2.2=4,500

30,000 is 10 times as much as

Answers

Answer:

3000

Step-by-step explanation:

30000/10=3000

Hope this helps :D

3,000, cuz 3,000x10=30,000.

PLEASE HELP ASAP!!!
Triangle Similarity Day 4- Overlapping triangles
Solve for x. Remember to draw two triangles and set up the proportion.

Answers

Answer:

x = 16

Step-by-step explanation:

The two ∆s would be ∆ABC and ∆EFG as drawn in the attachment below.

Thus, ∆ABC ~ ∆EFG. Therefore:

[tex] \frac{AB}{EF} = \frac{AC}{EG} [/tex]

AB = 12 + 3 = 15

EF = 12

AC = x + 4

EG = x

Plug in the values into the equation

[tex] \frac{15}{12} = \frac{x + 4}{x} [/tex]

Cross multiply

[tex] (15)(x) = (x + 4)(12) [/tex]

[tex] 15x = 12x + 48 [/tex]

Subtract 12x from each side

[tex] 15x - 12x = 48 [/tex]

[tex] 3x = 48 [/tex]

[tex] x = \frac{48}{3} [/tex]

[tex] x = 16 [/tex]

Which statement is true

Answers

A I’m guessing hope it’s tru tho o
A. im pretty sure it is A

Simplify: -3x2 + 5x -22 + 4x2 - 9x
a. -7x² + 14x - 22
b. x2 - 4x - 22
c. -X2 + 14x - 22
d. 7x2 + 4x - 22

Answers

Answer:

B

Step-by-step explanation:

wot iz 1+1 :D rEEeEeEEeEEeEe

Answers

Answer:

It's JOHN CENA!

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

the process in which one plus one is 2 is to combine the both very complex numbers which equal only one digit so when you combine two one digits you get two

GIVING OUT BRAINLIST ASAP

find the sales price
$75 shirt; 20% coupon

Round your answer to the nearest cent (hundredths place)

Answers

Answer:

$15

Step-by-step explanation:

75 DIVIDED BY .20

20% = .2O

Answer:

The sales price is 60

Step-by-step explanation:

I just multiplied 75 and .20 and got 15

So you need to subtract 15 from 75 because that's the discount

pls mark brainliest

In a survey of 600 students, 80% said they liked pop music. How many students liked pop music?
For percents

Answers

Answer:

480 students

Step-by-step explanation:

600 x .80

The function g(x) is graphed.
Which statements about the function are true? Choose
three options
9(1)=-1
3 2
090=0
9(4) = -2
(1) = 1
O 01-1=1 /

Answers

Answer:

I got A, B, D

Step-by-step explanation:

To make 5 smoothies that have the same ratio of apple juice to orange juice as 1 smoothie does, how much apple juice and orange juice should Sarah use? Explain.

Answers

Answer:

40 Apple juice and 20 Orange juice

Step-by-step explanation:

From the diagram, you know that 4 OJ makes one drink, so to make 5 drinks, you need 5 times that, or 20 OJ. You can also see that you need twice as much AJ as OJ, so that means you need 40 AJ.

*OJ = Orange juice and AJ = Apple juice

find the derivative of x raise to 20​

Answers

Answer:

[tex]\displaystyle \frac{d}{dx}[x^{20}] = 20x^{19}[/tex]

General Formulas and Concepts:

Calculus

Differentiation

DerivativesDerivative Notation

Basic Power Rule:

f(x) = cxⁿf’(x) = c·nxⁿ⁻¹

Step-by-step explanation:

Step 1: Define

Identify

[tex]\displaystyle y = x^{20}[/tex]

Step 2: Differentiate

Basic Power Rule:                                                                                         [tex]\displaystyle y' = 20x^{19}[/tex]

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Differentiation

How many calendars did the Mayans have

Answers

i’m pretty sure it’s two

Answer:

three ( Long Count, Tzolkin, Haab )

Step-by-step explanation:

HELP FAST ITS AN IMAGE

Answers

Answer:

3

Step-by-step explanation:

the answer is 3 because there are three units between each point of the triangle!

A portrait has dimensions of 30“ x 60“ and is surrounded by a frame of uniform width. If the total area (Portrait plus frame) is 2584 square inches, find the width of the frame

Answers

Answer:

The width of the is 4 inches

Step-by-step explanation:

Assume that the width of the frame is x

The width of the fame is x inches

→ That means each dimension will increase by 2x ⇒ x from each side

∵ The portrait has dimensions of 30“ x 60“

∴ Its dimensions including the frame = (30 + 2x) × (60 + 2x)

The total area of the portrait plus frame = (30 + 2x)(60 + 2x)

→ Multiply the brackets

∵ (30 + 2x)(60 + 2x) = 30(60) + 30(2x) + 2x(60) + (2x)(2x)

∴ (30 + 2x)(60 + 2x) = 1800 + 60x + 120x + 4x²

→ Add the like terms

∴ (30 + 2x)(60 + 2x) = 1800 + 180x + 4x²

The total area of the portrait plus frame = 4x² + 180x + 1800

∵ The total area of the portrait plus frame = 2584 square inches

→ Equate the two right sides of the area

4x² + 180x + 1800 = 2584

→ Subtract 2584 from both sides

∴ 4x² + 180x + 1800 - 2584 = 0

→ Add the like terms in the left side

∴ 4x² + 180x - 784 = 0

→ Divide all terms by 4 to simplify

x² + 45x - 196 = 0

→ Factorize it to find the value of x

∵ x² + 45x - 196 = (x - 4)(x + 49)

→ Equate the right side by 0

(x - 4)(x + 49) = 0

→ Equate each factor by 0

∵ x - 4 = 0  

→ Add 4 to both sides to find x

x = 4

∵ x + 49 = 0

→ Subtract 49 from both sides to find x

∴ x = -49 ⇒ refused it x can not be -ve (no negative dimensions)

The width of the is 4 inches

HELPPPPP PLEASEEEEEEEEE

Answers

Y= -2x+1
HOPE THIS HELPS!!!!:)

In what layer are convection currents found?

Continental crust
Inner core
Asthenosphere
Oceanic crust

Answers

I did this to and got it right so I would think C

Answer:

c

Step-by-step explanation:

Gerald drives his car 48 miles each day for 32 days. How many miles does he drive in total?

Answers

Answer:

1536

Step-by-step explanation:

If he drives 48 miles everyday for 32 days, to get his total you multiply to by 32

Answer:

in I day he drives 48 miles

so how many for 32 days

32×481536miles

the is factoring quadratics with a leading coefficient: 5x to the 2 power - 14x + 8

Answers

Answer:

The factorization of [tex]5x^2-14x+8[/tex] is (5x-4)(x-2)

Step-by-step explanation:

Given quadratic polynomial is:

[tex]5x^2-14x+8[/tex]

To factor a quadratic polynomial with leading co-efficient has to be factorized, the leading co-efficient and the constant are multiplied and pairs(a,b) of the product are made so that their sum or subtraction is equal to the co-efficient of x

We get 40 by multiplying 8 and 5

And the pair we get are: 10 and 4

[tex]=5x^2-10x-4x+8\\=5x(x-2)-4(x-2)\\=(5x-4)(x-2)[/tex]

Hence,

The factorization of [tex]5x^2-14x+8[/tex] is (5x-4)(x-2)

Jo estimates that a piece of ribbon
measures 8.5 inches. If it actually
measures 7.8 inches, what is the
percent error of Jo’s estimate

Answers

Answer:

9

Step-by-step explanation:

The unit of pencil is what?​

Answers

Answer:

In units of measurement of length we use centimeter (cm) to measure. We can use this unit for measuring the length of a pencil, the width of a book etc. but this unit is too big to measure the thicken of a pencil. So we use another unit called millimeter (mm).

Step-by-step explanation:

A pizza restaurant has a monthly budget of (x) dollars.
Every month $3050 is spent on salaries, one-third of
the remaining budget is spent on ingredients for pizza's.
Which function can be used to find the amount in
dollars spent on ingredients?

Answers

(X-3050)/3 = ingredients

solve 20% of =.________ 100

Answers

Answer:

500

Step-by-step explanation:

20%x = 100

x = 100 * 100/20

x = 100 * 5

x = 500

Hope this helped!

For a given population of high school seniors, the Scholastic Aptitude Test (SAT) in mathematics has a mean score of 500 with a standard deviation of 100. Assume that the SAT scores are normally distributed. What is the probability that a randomly selected high school senior's score on mathe- matics part of SAT will be
(a) more than 675?
b) between 450 and 675?

Answers

Answer:

The probability that a randomly selected high school senior's score on mathematics part of SAT will be

(a) more than 675 is 0.0401

(b)between 450 and 675 is 0.6514

Step-by-step explanation:

Mean of Sat =[tex]\mu = 500[/tex]

Standard deviation = [tex]\sigma = 100[/tex]

We will use z score over here

 What is the probability that a randomly selected high school senior's score on mathe- matics part of SAT will be

(a) more than 675?

P(X>675)

[tex]Z=\frac{x-\mu}{\sigma}\\Z=\frac{675-500}{100}[/tex]

Z=1.75

P(X>675)=1-P(X<675)=1-0.9599=0.0401

b)between 450 and 675?

P(450<X<675)

At x = 675

[tex]Z=\frac{x-\mu}{\sigma}\\Z=\frac{675-500}{100}[/tex]

Z=1.75

At x = 450

[tex]Z=\frac{x-\mu}{\sigma}\\Z=\frac{450-500}{100}[/tex]

Z=-0.5

P(450<X<675)=0.9599-0.3085=0.6514

Hence the probability that a randomly selected high school senior's score on mathematics part of SAT will be

(a) more than 675 is 0.0401

(b)between 450 and 675 is 0.6514

jay has 8/10 pounds of pretzels he wants to make equal servings that are each 1/5 pound how many servings can he make

Answers

4 he can make four cuAse u can cut 8/10s into 4)5

Answer:

4

Step-by-step explanation:

find gcd of (510,92)​

Answers

Answer:

The GCD of 510 and 92 is 2

Step-by-step explanation:

510 : 2 = 255

510 : 3 = 170

510 : 4 = 127.5

92 : 2 = 46

92 : 3 = 30.6667

92 : 4 = 23

hope this helps!

Let A = (1,2,3,4) and B= (0,1) use the set roster notation,to work each of the following sets and indicate the number of elements that are in each set?

a.A x B
b. bx A
c.A x A
d.B x B

Answers

Step-by-step explanation:

A={1,2,3,4}

B={0,1}

now,

a. A×B={1,2,3,4}×{0,1}

={(1,0)(1,1)(2,0)(2,1)(3,0)(3,1)(4,0)(4,1)}

b. B×A={(0,1)(0,2)(0,3)(0,4)(1,1)(1,2)(1,3)(1,4)}

c. A×A={(1,1)(1,2)(1,3)(1,4)(2,1)(2,2)(2,3)(2,4)(3,1)(3,2)(3,3)(3,4)(4,1)(4,2)(4,3)(4,4)}

d. B×B={(0,0)(0,1)(1,0)(1,1)}

hope it help u..

A shelf is 24 inches wide. How many books, each StartFraction 7 Over 8 EndFraction of an inch thick, can fit on the shelf?

Which equation can be used to solve the above problem?
24 divided by StartFraction 7 Over 8 EndFraction
StartFraction 7 Over 8 EndFraction divided by 24 = b
b divided by 24 = StartFraction 7 Over 8 EndFraction
b divided by StartFraction 7 Over 8 EndFraction = 24

Answers

The correct equation 24 divided by 7/8

You want to divide the shelf width by the book width to see how many times 7/8 can go into 24. Then you’ll find out how many books with the width of 7/8 can go into a shelf 24 inches wide.

24/(7/8)= 27 3/7

27 books can fit on the shelf

Answer:

it is a

Step-by-step explanation:

Which statement is true about function f, which is shown in the graph?
f(x)=x^6+10x^4-11x^2

Answers

The correct answer is The function is even.

To do this, you take the function and plug –x in for x, and then simplify. If you end up with the exact same function that you started with (that is, if f (–x) = f (x), so all of the signs are the same), then the function is even.

PLEASE ANSWER ASAP
Whoever answers FIRST gets BRAINLIEST
Thank you and Happy Thanksgiving

Answers

The 2nd one I think brainlest me I was first

Answer:

1,087.59014, 23.7, 0.6868

Step-by-step explanation:

Any decimal that ends.

On average, Tony the turtle completes a 15-foot course in 1 minute, and Antonio the turtle completes an 18-foot course in 1 minute. If Tony and Antonio both start at the same time and travel in the same direction, how far apart will the turtles be after 5 minutes?(1 point)

75 feet

15 feet

90 feet

165 feet

Answers

Answer:

15 feet.

Step-by-step explanation:

Tony's speed = 15 ft/min.

Antonio's = 18 feet /min.

So in 5 minutes Tony travels 5*15 = 75 feet and Antonio travels 5*18 = 90 feet.

So the answer is 90-75 = 15 feet.

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