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KIM [24]
3 years ago
12

At the restaurant, your family orders a subtotal of $46.55. Add 6% sales tax and 18% tip. What is the total?

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
8 0

Answer:

Step-by-step explanation:

Now,

if you add the tip after the sales tax,

you will have:

46.55*(6/100)=2.79

the meal cost now 46.55+2.79=49.34

we add tip

49.34*(18/100)=8.88

total cost 49.34+8.88=58.22

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irinina [24]

10. Infinitely many solutions:

2(x-1)+6x=4(?-1)+2.

Simplify this equation:

2x-2+6x=4\cdot ?-4+2,\\ \\8x-2=4\cdot ? -2,\\ \\8x=4\cdot ?

When ?=2x, the equation becomes

8x=8x \text{ or } 0=0.

This equality is true for all x, thus the equation has infinitely many solutions.

11. The equation 5x-(x-2)=2x-(?) should have one solution x=-1.

First, simplify the equation:

5x-x+2=2x-?,\\ \\4x+2=2x-?,\\ \\2x+2=-?,\\ \\?=-2x-2.

This equation will have solution x=-1 when

?=-2\cdot (-1)-2=2-2=0.

Therefore, the initial equation is

5x-(x-2)=2x.

12. The equation -(x-8)+4x=2\cdot ?+x should have infinitely many solutions.

Simplify it:

-x+8+4x=2\cdot ?+x,\\ \\2x+8=2\cdot ?,\\ \\2(x+4)=2\cdot ?.

When ?=x+4, this equation will have infinitely many solutions.

6 0
2 years ago
Convert these unlike fractions to equivalent like fractions and add them. You must use the LCD to get the answer correct. If pos
Kamila [148]

Answer:

3

Step-by-step explanation:

The fractions are: \frac{1}{5} and \frac{2}{3}. Let's take a look at the denominators: 5 and 3. The LCD of 5 and 3 is 15. 5x3=15, 3x5=15. So now we would multiply the denominators to make them the same number like this: \frac{5}{15} and \frac{10}{15}. Remember that if you multiply the denominator by a certain number, you must multiply the numerator by the same number as well. For example, in \frac{2}{3}, we multiply 3 by 5 and 2 by 5. Same number. Now with that out of the way, let's work on the equation: \frac{1}{5} + \frac{2}{3}. We know it is the same as \frac{5}{15} and \frac{10}{15}. So now all we do is add the numerators together: 5+10=15 or \frac{15}{15}. Now we have to reduce the fraction. \frac{15}{15} can be reduced to 3 by dividing 15 by 5=3. The final fraction is \frac{3}{3} or can be simply put as 3 since 3/3 is a whole number. That's it - you're done!

7 0
2 years ago
7. Which of the following is an example of a
Rom4ik [11]

The answer of 6and7 irrational number is 6.875

3 0
1 year ago
The area of a garden is (x^2-x-6) square yards. Find the dimensions of the garden is x=5
kicyunya [14]
I hope this helps you

7 0
3 years ago
A population of 120,000 grows 3% per year for 14 years
kobusy [5.1K]

Answer:

181510

Step-by-step explanation:

120,000 x1.03∧14=181510.767

Round the answer down as you can't have 0.767 of a person.

4 0
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