1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
valentina_108 [34]
3 years ago
9

Compute the total cost of the meal to the nearest cent: meal costs $29.78 plus 5% tax and 15% tip.

Mathematics
1 answer:
tresset_1 [31]3 years ago
5 0
To solve this problem you must apply the proccedure shown below:
 1. You have the following information given in the problem above: <span>$29.78 plus 5% tax and 15% tip. 
 2. Therefore, you have:
 Total=$29.78+(0.05)($29.78)+(0.15)($29.78)
 3. Then, the result is:
 Total=$35.74
 Therefore, as you can see, the answer is the option D, which is: D. $35.74</span>
You might be interested in
I am doing a project in my math class where we create a picture with functions and needed an egg curve. I finally figured out th
matrenka [14]

<span>Let's solve this problem step by step.</span><span>

In Figure 1 you have the graph of this equation. In fact, it is an egg curve as you can see, the question is asking for shifting the curve vertically and horizontally, so what you need to do is the following:

First. Shifting the curve horizontally (to the left).<span>

</span>Suppose you want to get the curve when the center of the egg matches with the origin of the Cartesian plane, so you need to shift the curve to the left. To do this add 40 units to the x-coordinate, so:
<span>
</span>[(x+40)^2+y^2]^2=80(x+40)^3+9(x+40)y^2
<span>
</span>This shift is shown in Figure 2

Second. Shifting the curve horizontally (to the right).<span>

</span>Suppose you want to shift the curve 40 units to the right, then you need to subtract 40 units from the x-coordinate like this:
<span>
</span>[(x-40)^2+y^2]^2=80(x-40)^3+9(x-40)y^2
<span>
</span>This shift is shown in Figure 3

Third. Shifting the curve vertically (upward)<span>

</span>Suppose you want to shift the curve 40 units upward, then you need to subtract 40 units from the y-coordinate like this:
<span>
</span>[x^2+(y-40)^2]^2=80x^3+9x(y-40)^2
<span>
</span>This shift is shown in Figure 4

Fourth. Shifting the curve vertically (downward)<span>

</span>Suppose you want to shift the curve 40 units downward, then you need to add 40 units to the y-coordinate like this:
<span>
</span>[x^2+(y+40)^2]^2=80x^3+9x(y+40)^2
<span>
</span>This shift is shown in Figure 5</span>

8 0
3 years ago
6. Chris can buy an online magazine
lakkis [162]

Answer:

$6.88

Step-by-step explanation:

We are trying to compare two options: Buying a magazine for 12 months or for just 1 year.

To solve this, we can multiply the monthly rate by 12 because there are 12 months in a year.

5.99 x 12 = 71.88

The other option is to just pay $65 dollars for a whole year (12 months).

Comparing the two options, we see paying for the whole year is cheaper than paying for each month individually. Because of this, we can subtract $65, the cheaper option, from $71.88 to get $6.88

Chris will save $6.88 by paying for the whole year instead of purchasing for each month.

7 0
3 years ago
Read 2 more answers
2 Points
liraira [26]

Two or zero expresses the possible number of positive real  solutions for the given polynomial equation.

Answer: Option D

<u>Step-by-step explanation:</u>

Given equation:

        x^{3}-4 x^{2}-7 x+28=0

First, we put hit and trial method to find out the one solution. So, if we put x=4 then the above expression will become zero.  We can also write the above expression as  

      (x-4) \times\left(x^{2}-7\right)=0

We know the formula, a^{2}-b^{2}=(a+b)(a-b), make use of this, we get

   (x-4) \times(x-\sqrt{7}) \times(x+\sqrt{7})=0

So, x=4, \sqrt{7},-\sqrt{7}

Hence, from the above expression, we have three values of x as x= 4, 2.64 and -2.64

8 0
2 years ago
If 3 tons of flower bed mulch cost $480, what is the price per pound?
Goshia [24]
1 ton = 2,000 pounds 
3 tons = 6,000 pounds
$480/6,000 = 0.08 
per pound is $0.08
6 0
2 years ago
Suppose a white dwarf star has a diameter of approximately 1.8083 to the power of 4 km. Use the formula 4n to the power of 2 to
aivan3 [116]

ANSWER:

The surface area of the star is 3.2700 x 10^{8} square kilometres.

EXPLANATIONS:

Diameter of the star = 1.8083 x 10^{4} Km.

Surface area of the star = 4n^{2}

Where n is the radius of the star.

So that;

n = \frac{ 1.8083 * 10^{4} }{2}

   = 0.90415 x 10^{4}

n =  0.90415 x 10^{4} Km

Thus,

Surface area = 4 x (0.90415*10^{4} )^{2}

                     = 326994889

Surface area = 3.2700 x 10^{8} km^{2}

Therefore, the surface area of the star is 3.2700 x 10^{8} square kilometres.

4 0
2 years ago
Other questions:
  • Look at the following set of data.
    8·2 answers
  • How many times greater is 1 gallon than one quart
    8·1 answer
  • Find<br> ∫^[infinity]_-[infinity] xe^-x^2 dx.
    12·1 answer
  • How to factor 9x^4-6x^2y^4+y^89x4−6x2y4+y8
    10·1 answer
  • Write 0.65 as a fraction
    10·2 answers
  • I need help with this math homework
    13·1 answer
  • Which number line shows the location of -2 2/3?
    6·1 answer
  • Write a rational expression in which x simplifies to x+3/x-10
    9·1 answer
  • F(x) = -x2 + 3x + 13<br> Find f(-10)
    5·1 answer
  • Help me!!!!!!!!! Also, can you tell me how to find the percentage change, i forgot lol
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!