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belka [17]
3 years ago
5

While driving through California, you stop in at a little restaurant in a small town. The meal for your family was $48.00. The t

own has a 7.5% sales tax rate. You also want to leave a 20% tip.
Mathematics
1 answer:
Archy [21]3 years ago
7 0
I believe it would be $67.2
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Express the sum of the polymonial 3x^2+15x-56 and the square of the binomial (x-8) as a polynomial in standard form.
tester [92]

Given:

Polynomial is 3x^2+15x-56.

To find:

The sum of given polynomial and the square of the binomial (x-8) as a polynomial in standard form.

Solution:

The sum of given polynomial and the square of the binomial (x-8) is

3x^2+15x-56+(x-8)^2

=3x^2+15x-56+x^2-2(x)(8)+8^2    [\because (a-b)^2=a^2-2ab+b^2]

=3x^2+15x-56+x^2-16x+64

On combining like terms, we get

=(3x^2+x^2)+(15x-16x)+(-56+64)

=4x^2-x+8

Therefore, the sum of given polynomial and the square of the binomial (x-8) as a polynomial in standard form is 4x^2-x+8.

7 0
3 years ago
Lucy will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $53 and costs an add
Alchen [17]

Answer:

The amount driven would be 275, and the cost for both plans will be 77.75$

Step-by-step explanation:

make both equations

y=0.09x+53

y=0.13x+42

set them equal to each other and solve for x to get the distance

take that number and put it in one equation and solve for y to get the price of the plan for that value

6 0
3 years ago
Each side of a square rug is 3ft 2in long. Peg has 20ft of braid to use as trim on the four sides of the rug. How much braid wil
stepan [7]

Answer:

7ft 8in is left over

Step-by-step explanation:

5 0
3 years ago
Help ASAP
CaHeK987 [17]
About 3.7 inches. Look at the 12 on the x axis because that is one year and see where it hits the line
6 0
3 years ago
Can someone help me with one or two questions??? Thanks :)
shusha [124]

Answer:

yoiu do the firdtone then the poopholestep explanation:

420 69

3 0
3 years ago
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