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Inessa [10]
3 years ago
10

What is the surface area of a piece of pipe that is open at both ends, has a radius of 6 inches, and a height of 18 inches? (Use

3.14 for π.)

Mathematics
1 answer:
Ratling [72]3 years ago
7 0
i hope this helps you

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What are the next two terms in the pattern 3,6,5,10,9,18,17
Llana [10]
The next two term in patterns is below 3,6,5,10,9,18,17,34,33,66
7 0
3 years ago
Read 2 more answers
The hypotenuse of a 45°-45°-90° triangle measures 128 cm. A right triangle is shown. The length of the hypotenuse is 128 centime
Aleks [24]

Answer:

64√2 or 64 StartRoot 2 EndRoot

Step-by-step explanation:

A 45-45-90 traingle is a special traingle.  Let's say one of the leg of the triangle is x. The other one is also x because of the isosocles triangle theorem.  Therefore, using the pytagorean theorem, you find that x^2+x^2=c^2.  2(x)^2=c^2.  You then square root both sides and get c= x√2.  

Therefore, the two legs are x and the hypotenuse is x√2.  x√2=128 because the question says that the hypotenuse is 128.  Solve for x by dividing both sides by √2.  X=128/√2.  You rationalize it by multiplying the numberator and denominator of the fraction by √2.  √2*√2= 2.

X=(128√2)/2= 64√2 cm.

Since X is the leg, the answer would be 64√2

3 0
2 years ago
Read 2 more answers
Keaton's dinner bill at a local restaurant before tax and tip was $25.85 if he wants to leave 15% of the bill for tip and there'
Ksju [112]
Bill = $25.85

Tips = 15% x $25.85 = $3.88

Tax = 6.25% x $25.85 = $1.62

Total amount = $25.85 + $3.88 + $1.62 = $31.35

------------------------------------------------------
Answer: He will spend $31.35 in total.
------------------------------------------------------
8 0
3 years ago
A school bought 10³ erasers as part of an order for supplies. The total cost of the erasers was $30. What was the cost of each e
tresset_1 [31]

Answer:

0.03

Step-by-step explanation:

divide 3 by 10^3 to obtain the answer.

8 0
2 years ago
There are 50 students in our class. (1) What is the probability that Jack and Mike have the same birthday? (2) What is the proba
Umnica [9.8K]

Answer:

1) 0.00274

2) 0.872

3) 0.00240

Step-by-step explanation:

1) 365/(365×365) = 1/365

= 0.002739726027

= 0.00274 (3 sf)

2) (364/365)^50

= 0.8718182573

= 0.872 (3 sf)

3) [365 × (364^48)]/(365^50)

= 0.002401685062

= 0.00240 (3 sf)

4 0
2 years ago
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