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3 years ago

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

1 answer:

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>

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cora says she doesn't need to know the y-intercept of a line to write its equation, just its slope and some other point on the l

Nadusha1986 [10]

Answer:

The equation of line with given slope that include given points is 3 y + x - 20 = 0

Step-by-step explanation:

According to Cora , if we know the slope and points on a line then we can write the equation of a line .

Since , The equation of line in slope-intercept form is

y = m x + c

<u>Where m is the slope of line , and if we know the points ( x , y ) which satisfy the line then constant term c can be get and the equation of line can be formed .</u>

So , From the statement said above it is clear that she is correct .

Now , Again

Given as :

Slope of a line is m = - $\frac{1}{3}$

That include points ( 2 , 6 )

Now from the equation of line as y = m x + c

∴ 6 = - $\frac{1}{3}$ ( 2 ) + c

Or, 6 = - $\frac{2}{3}$ + c

So , c = 6 + $\frac{2}{3}$

or, c = $\frac{18 + 2}{3}$

∴ c = $\frac{20}{3}$

So, The equation of line can be written as

y = - $\frac{1}{3}$ x + $\frac{20}{3}$

Or, 3 y = - x + 20

I.e 3 y + x - 20 = 0

Hence The equation of line with given slope that include given points is 3 y + x - 20 = 0 Answer

8 0

3 years ago

The line segment formed by joining points A (-1,y) B (0,0), and the line segment joined by forming points C (6,3) D (8,9) share

Airida [17]

Answer:

Step-by-step explanation:

For two parallel lines. their slope are equal

Find the slope of each of the lines

For line A;

m = 0 -y/0+1

mA = -y/1

For line B;

mB = 9 - 3/8 - 6

mB = 6/2

mB = 3

since their slope are equal hence mA = mB

-y/1 = 3

-y = 3

y = -3

Hence the value of y is -3

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3 years ago

Evaluate the expression when x = 9.<br>x + 5(x + 2)

jasenka [17]

Answer:

Step-by-step explanation:

x + 5(x + 2)

Distribute

x + 5x+10

Combine like terms

6x+10

Let x = 9

6(9) +10

54+10

8 0

3 years ago

Read 2 more answers

1. Solve for x.<br> 12<br> 10<br> X<br> 5

Andru [333]

We can use proportions
12/x = 10/5
12*5 = 10x
60 = 10x
x = 6

Check
12/6 = 10/5
2 = 2

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1 year ago

A man travels 4 ⅓ miles in 2 ½ hours. what is his speed in miles per hour?

natulia [17]

Approximately 1.7 miles per hour

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3 years ago