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scoundrel [369]

3 years ago

11

Where in the real-world is the Pascal Triangle used? Provide an example.

1 answer:

cupoosta [38]3 years ago

6 0

Answer:

There are many colored pebbles to choose from out of the driveway. Karmin could not decide what one he wanted for his school project. So he took the best looking 4 from the driveway. 3 of them are now his backups.

You use this tequnic (sorry I can't spell) almost everyday. When ever you think about how much of something to take, you could be using this Pascal Triangle.

I hope this helped.

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$80 with 10% sales tax... whats total cost?

djyliett [7]

Answer:

$88

Step-by-step explanation:

10% of 80 = 8

80 + 8 = 88

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3 years ago

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3 years ago

Classify each number according to which sets of numbers it belongs in:

True [87]

Answer:

Natural, integer, rational: 10, 9, $3(12-\frac{2}{2})$

Integer, rational: -6

Rational: 3.7, 3.3333333

Irrational: $\pi$ , 1.41421356

Step-by-step explanation:

Given numbers:

$10,\pi, -6, 3.3333333333, 9, 3.7, 3(12-2/2),1.41421356$

To classify them in natural integer, whole rational or irrational numbers.

Solution:

Natural numbers are whole numbers stating from 1.

{1,2,3,4,5,6..........}

Whole numbers are integers starting from 0.

{0,1,2,3,4,5...........}

Integers are all real numbers that do not include decimals or fractions.

{.............-4,-3,-2,-1,0,1,2,3,4.........}

Rational numbers are those numbers which can be represented as fraction of whole numbers. For example:

$-1.5=-\frac{3}{2}$

$0.1111.....=\frac{1}{9}$

$5=\frac{5}{1}$

Irrational numbers are those numbers which cannot be represented as simple fractions.

<em>Based on the above definitions, we can classify numbers.</em>

1) 10

Natural, Integer, Rational

2) $\pi$

Irrational

3) -6

Integer, Rational

4) 3.33333333333

Rational

5) 9

Natural, Integer, Rational

6) 3.7

Rational

7) $3(12-\frac{2}{2})=3(12-1)=3(11)=33$

Natural, Integer, Rational

8) 1.41421356

Irrational

3 0

3 years ago

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Bond [772]

67 I think or 32! Lol

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3 years ago

Eliminate the parameter t. Then use the rectangular equation to sketch the plane curve represented by the given parametric equat

____ [38]

Answer:

$9x^2+4y^2=36$

Step-by-step explanation:

We are given that

$x=2cos t$

$y=3 sin t$

$0\leq t\leq 2\pi$

$cost=\frac{x}{2}$

$sint=\frac{y}{3}$

$sin^2 t+cos^2 t=(\frac{x}{2})^2+(\frac{y}{3})^2$

$1=\frac{x^2}{4}+\frac{y^2}{9}$

By using the formula

$sin^2\theta+cos^2\theta=1$

$1=\frac{9x^2+4y^2}{36}$

$9x^2+4y^2=36$

4 0

3 years ago