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____ [38]
3 years ago
5

A family went out to eat. The bill is $65.82. The family wants to leave a 20% tip. How much tip will be added on to the cost of

dinner?
Mathematics
1 answer:
Tomtit [17]3 years ago
4 0

Answer:

$13.16

Step-by-step explanation:

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Solve the inequality.
victus00 [196]

Answer: A. x ≤ -3

x/3 - x-1/2 ≥ 1 would make x ≤ -3

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3 years ago
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Circumference and Area questions look at the picture
Helga [31]

Note that the formula for the circumference of a circle is πd, while the formula for the area of a circle is πr².

π≈3.14

A. C=πd

Simply plug in the numbers into the formula.

Diameter=Radius*2

17*2=34

C=34(π)

B. (π)(5²)

Plug in the numbers into the formula. Remember that half of the diameter is the radius.

C.  (π)(4.5)

There are two possible formulas that could be used to calculate the circumference of a circle: πd and 2πr.

The expression above is simply multiplying the circle's radius times pi. Therefore, it is not a method that could be used to find the circumference of a circle.

D. (π)(6.5²)

Remember that the formula for calculating the area of a circle is πr².

Half of the diameter is 6.5 (13.5/2=6.5). 6.5 cm. is the radius. Now just plug the numbers into the formula.

(π)(6.5²)

Therefore, the last answer choice is the correct answer.

5 0
2 years ago
Out of a total of 68 students, 25% had perfect attendance for the nine weeks. How many students is this?
rodikova [14]
68 students* (25/100)= 17 students.

There are 17 students who had perfect attendance for the nine weeks~
4 0
3 years ago
If Nobody's Perfect, But Practice Makes Perfect. Why Practice?
Scilla [17]
To be the best you can be at whatever you're practicing. Just because you can't be perfect doesn't mean you can't be very good at it.
3 0
3 years ago
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Simplify the radical expression. Show all your steps. <br><br> √363 - 3√27
siniylev [52]

Answer:

2 sqrt(3)

Step-by-step explanation:

Simplify the following:

sqrt(363) - 3 sqrt(27)

sqrt(27) = sqrt(3^3) = 3 sqrt(3):

sqrt(363) - 33 sqrt(3)

sqrt(363) = sqrt(3×11^2) = 11 sqrt(3):

11 sqrt(3) - 3×3 sqrt(3)

-3×3 = -9:

11 sqrt(3) + -9 sqrt(3)

11 sqrt(3) - 9 sqrt(3) = 2 sqrt(3):

Answer: 2 sqrt(3)

3 0
3 years ago
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