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Lelechka [254]
3 years ago
10

Kevin makes several cone-shaped candles. He uses a cone mold that has a height of 15 centimeters and a diameter of 10 centimeter

s. How much wax is needed to make 3 cone-shaped candles?

Mathematics
1 answer:
Natalka [10]3 years ago
8 0

Answer:

1,177.5cm^3 of candle wax will be required.

Step-by-step explanation:

The attached files contain further information so please check them.

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There are 7 pens in a bag. Four of the pens are blue and the other 3 are red. What's the probability of pulling out a red
GarryVolchara [31]

Answer:

3/7

Step-by-step explanation:

P(red) = number of red pens / total number of pens

         = 3/7

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3 years ago
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Luke is a messenger for a package-delivery company. He starts at the company’s office and walk 4 blocks due west to deliver the
Degger [83]

4 Blocks West, 5 Blocks East, 1 Block East, 2 Blocks West

W = West

E = East

<h2>4W + 5E + 1E + 2W</h2>

Simplify, by collecting like terms.

<h2>6W + 6E</h2>
7 0
3 years ago
I need help with these three problems please​
Liono4ka [1.6K]

Answer:

Q7. 11.3 inches (3 s.f.)

Q8. 96.2 ft

Q9. 36.4cm

Step-by-step explanation:

Q7. Please see attached picture for full solution.

Q8. Let the length of a side of the square be x ft.

Applying Pythagoras' Theorem,

34^{2}  =  {x}^{2}  +  {x}^{2}  \\ 2 {x}^{2}  = 1156 \\  {x}^{2}  = 1156 \div 2 \\  {x}^{2}  = 578 \\ x =  \sqrt{578}  \\

Thus, the perimeter of the square is

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Q9. Equilateral triangles have 3 equal sides and each interior angle is 60°.

Since the perimeter of the equilateral triangle is 126cm,

length of each side= 126÷3 = 42 cm

The green line drawn in picture 3 is the altitude of the triangle.

Let the altitude of the triangle be x cm.

sin 60°= \frac{x}{42}

\frac{ \sqrt{3} }{2}  =  \frac{x}{42}  \\ x =  \frac{ \sqrt{3} }{2}  \times 42 \\ x = 21 \sqrt{3}  \\ x = 36.4

(to 3 s.f.)

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4 0
3 years ago
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143+ [(96 + 8) 5] – 42.
Tresset [83]

Answer:

621

Explanation:

143 + (96 + 8)(5) − 42

(96 + 8)(5)

= 520

143 + 520 - 42

= 663

663 - 42

= 621

7 0
3 years ago
The Ericsson method is one of several methods claimed to increase the likelihood of a baby girl. In a clinical trial, results co
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Answer:

0.001

Step-by-step explanation:

Ericsson is claimed to increase the likelihood of a baby girl ;

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HA : p>0.5

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Recall ;

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