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3 years ago

Mrs. Chin paid a 20 percent tip on the bill for lunch.

Mathematics

2 answers:

kati45 [8]3 years ago

7 0

Answer:

$55.00

Step-by-step explanation:

dolphi86 [110]3 years ago

4 0

Answer:

I think it's maybe $55.00

Step-by-step explanation:

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Please someone help me. I'll give brainliest.

jekas [21]

Answer:

I would say the answer is C

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2 years ago

Dr.Lamb is mixing a solution for his next patient. He has a cylindrical test tube which is 4 inches across on the inside. The de

SSSSS [86.1K]

Answer: There are 34.35 liters left in the test tube.

Step-by-step explanation:

Since we have given that

Depth of the tube = 9 inches

Circumference of base=4 inches

As we know the formula of circumference ,

$Circumference=2\pi r\\\\4=2\times \frac{22}{7}\times r\\\\4\times{7}{22\times 2}=r\\\\\frac{7}{11}=r$

Now, we need to find the volume of tube is given by

$\text{ Volume of test tube }=\pi r^2h\\\\\text{ Volume of test tube }=\frac{22}{7}\times \frac{7}{11}\times \frac{7}{11}\times 9\\\\\text{ Volume of test tube }=\frac{126}{11}=11.45\ inches^3$

Since we have also given that,

Of 1 cubic inch of space holds 3 liters of water,

So,

$1\text{ cubic inch}=3\text{ liters}\\\\11.45\text{ cubic inches}=3\times 11.45=34.35\text{ liters}$

Hence, there are 34.35 liters left in the test tube.

6 0

3 years ago

Simplify. 12x • 3x <br> 15 x<br> 15 x2 <br> 36 x2 <br> 36 x

garik1379 [7]

Answer:

36x

Step-by-step explanation:

You do 12 x 3 which equals 36. Then you add the x at the end.

5 0

3 years ago

Read 2 more answers

Xiao bought 4310 gallons of gas that cost $2.50 per gallon.

Vikentia [17]

Answer:

$10775

Step-by-step explanation:

If 1 gallon of gas is $2.50, then the cost of 4310 gallons of gas will be:

4310 * 2.50

= $10775

Hope this answer was helpful!!

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3 years ago

Read 2 more answers

30 + 18 = 6(5 + ___)

Mumz [18]

48=6(5+3)
48=6(8)
48=48

3 0

2 years ago

Read 2 more answers