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3 years ago

YEAHHHH HELP MEEEEEEEE

Mathematics

1 answer:

Oliga [24]3 years ago

4 0

Answer:

:) gotta add more characters, might have to redo my answer.

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Simplify the expression.<br><br><br> 5.3x - 9 + 7.6x

babunello [35]

Answer:

12.9x-9

Step-by-step explanation:

First you have to combine the like terms which are 5.3x + 7.6x= 12.9x. Then you just rewrite the equation 12.9x-9. You just leave the 9 by it self beacuse thers no other like terms.

7 0

3 years ago

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Find a vector function, r(t), that represents the curve of intersection of the two surfaces. the paraboloid z = 9x2 y2 and the p

dolphi86 [110]

The vector function is, r(t) = $\bold{ < t,2t^2,9t^2+4t^4 > }$

Given two surfaces for which the vector function corresponding to the intersection of the two need to be found.

First surface is the paraboloid, $z=9x^2+y^2$

Second equation is of the parabolic cylinder, $y=2x^2$

Now to find the intersection of these surfaces, we change these equations into its parametrical representations.

Let x = t

Then, from the equation of parabolic cylinder, $y=2t^2$ .

Now substituting x and y into the equation of the paraboloid, we get,

$z=9t^2+(2t^2)^2 = 9t^2+4t^4$

Now the vector function, r(t) = <x, y, z>

So r(t) = $\bold{ < t,2t^2,9t^2+4t^4 > }$

Learn more about vector functions at brainly.com/question/28479805

#SPJ4

7 0

2 years ago

It’s my final Test please help

satela [25.4K]

The correct answer is A :)

8 0

3 years ago

Chad's Diner sold 100 milkshakes last week. 90 of the milkshakes had whipped cream on top.

Sloan [31]

90% of the milkshakes had whipped cream because 90/100 as a percentage is 90%

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3 years ago

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What is the area, in square centimeters, of the figure shown.

aev [14]

The area including cutout is 15*8=120
the area of cutout is 5*5=25

120-25=95 cm²

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3 years ago

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