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3 years ago

A triangular prism and two nets are shown :

Mathematics

1 answer:

pashok25 [27]3 years ago

5 0

That would be net A

Surface area = 13*16 + 12 * 16 + 2 (1/2*5*12) + 5*16

= 540 in^2

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In the Minnesota Northstar Cash Drawing, you pick five different numbers between 1 and 35. What is the probability of picking th

maw [93]

Answer:

$\frac{1}{324632}$ probability of picking the winning combination

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Since the order is not important, the combinations formula is used to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Desired outcomes:

The correct five numbers from a set of 5. So

$D = C_{5,5} = \frac{5!}{5!0!} = 1$

Total outcomes:

Five numbers from a set of 35. So

$T = C_{35,5} = \frac{35!}{5!30!} = 324632$

Probability:

$p = \frac{D}{T} = \frac{1}{324632}$

$\frac{1}{324632}$ probability of picking the winning combination

5 0

2 years ago

Four balls of wool will make 8 knitted caps. How many balls of wool will Malcom need if he wants to make 6 caps

arsen [322]

8x = 4
x = 1/2

6(1/2) = 3 caps

3 0

3 years ago

Read 2 more answers

You wish to accumulate $14,580 in 6 years. Payments are made at the end of every six-month period into an account earning 7.2% c

BlackZzzverrR [31]

Equation required for this question:

an • 1.072^n = 14,580

Where a = payment every half year and n = number of half years

There are 12 half years in 6 years.

Therefore n = 12, substitute this.

12a • 1.072^12 = 14,580

12a = 14,580 / 1.072^12

12a = 6,330~

a = 527.5 ~

7 0

3 years ago

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Lunna [17]

Answer: #4 = precipitation

#3 = evaporation

#2 clouds

#1= sun

#5= water

Step-by-step explanation:

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2 years ago