2 years ago

3/4x+7/8=4 1/4 please help me

Mathematics

1 answer:

Orlov [11]2 years ago

4 0

Answer:

4 1/2

Step-by-step explanation:

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

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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

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

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

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

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3 years ago

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tekilochka [14]

Answer:

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Step-by-step explanation:

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3 years ago

Which property is demonstrated? 9 • 3 • 4 = 4 • 3 • 9

taurus [48]

Commutative property of multiplication

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4 years ago

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Find the mode of given data 7,12,8,12,8,14,12,7,8,12,14

Simora [160]

Answer:

Mode= 12

Step-by-step explanation:

mode is the number occurring most number of times.

Here,

7 is appearing 2 times,

12 is appearing 4 times,

8 is appearing 3 times,

14 is appearing 2 times

Since the number 12 is appearing the most number of times, 12 is the mode.

Hope this helps.

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3 years ago

Find the sum of 3x + 2,5x- 7 and - 3 + 2x

lions [1.4K]

Step-by-step explanation:

the answer is 10x - 8.

3x+2

5x-7

2x-3

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10x-8

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3 years ago