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Alja [10]
2 years ago
13

What is the product (

qrt%7B12%7D%29" id="TexFormula1" title="(7\sqrt{8} +3\sqrt{12} )(7\sqrt{8} -3\sqrt{12})" alt="(7\sqrt{8} +3\sqrt{12} )(7\sqrt{8} -3\sqrt{12})" align="absmiddle" class="latex-formula">?
Mathematics
1 answer:
tangare [24]2 years ago
4 0
The product should be 284.
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A computer tech charges a $30 initial fee to come and fix a household computer plus $15 per hour. Which of the following linear
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45$

Step-by-step explanation:

if you only needs to be there for one hour it is for 45

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Graph the given inequality. y ≤ 4 – | x |
Brilliant_brown [7]

Answer:

The graph is included in the attached pictures

Step-by-step explanation:

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Add.910+(−45).Write your answer as a fraction in simplest form
gavmur [86]
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Given the parametric equations x = 2sint and y = -3cost on 0 ≤ t ≤ π. convert to a rectangular equation and sketch the curve
Temka [501]

The rectangular equation for given parametric equations x = 2sin(t) and   y = -3cos(t) on 0 ≤ t ≤ π is  \frac{x^{2} }{4} +\frac{y^2}{9} =1 which is an ellipse.

For given question,

We have been given a pair of parametric equations x = 2sin(t) and           y = -3cos(t) on 0 ≤ t ≤ π.

We need to convert given parametric equations to a rectangular equation and sketch the curve.

Given parametric equations can be written as,

x/2 = sin(t) and y/(-3) = cos(t) on 0 ≤ t ≤ π.

We know that the trigonometric identity,

sin²t + cos²t = 1

⇒ (x/2)² + (- y/3)² = 1

⇒ \frac{x^{2} }{4} +\frac{y^2}{9} =1

This represents an ellipse with center (0, 0), major axis 18 units and minor axis 8 units.

The rectangular equation is  \frac{x^{2} }{4} +\frac{y^2}{9} =1

The graph of the rectangular equation \frac{x^{2} }{4} +\frac{y^2}{9} =1 is as shown below.

Therefore, the rectangular equation for given parametric equations x = 2sint and y = -3cost on 0 ≤ t ≤ π is  \frac{x^{2} }{4} +\frac{y^2}{9} =1 which is an ellipse.

Learn more about the parametric equations here:

brainly.com/question/14289251

#SPJ4

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four friends are planning to meet at the local park. Mary and Teresa jog to the park. Kevin rides his bike to the park, and Manu
taurus [48]
Not sure this is a hard one
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