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3 years ago

What is f(4) if f(x)=|3x+4|-2

Mathematics

1 answer:

alex41 [277]3 years ago

5 0

Okay so just put the 4 in for x
and multiply

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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

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2 years ago

Draw a model to represent the ratio 1 to 3. Describe how to use the model to find an equivalent ratio. Please help I'm really st

Gnesinka [82]

Answer: See below

Step-by-step explanation:

Make a table with first set of numbers as 1,3. Multiply both the numbers of this set sequentially by natural numbers to get the following table

1 2 3 4 5 6 7 8 9 10......

3 6 9 12 15 18 21 24 27 30......

We see that in each set of numbers the 2nd number is 3 times the first number.

If we plot these sets of numbers on a graph paper, we get a model depicting all the points which satisfy this ration requirement.

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3 years ago

if you were asked to load 225 boxes onto a truck and the boxes are crated with each crate containing nine boxes how many crates

jeyben [28]

25

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3 years ago

An adult male alligator may weigh 350 pounds. A newly hatched alligator weighs only 1/8 pound. The adult weighs how many times t

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131.25 more than the newly hatched alligator

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3 years ago

Read 2 more answers

I am loosing and wasting points no one is answering my questions but they answer everyone else plz answer my questions I am dum

siniylev [52]

We are given:Distance covered by the fastest man in 9 seconds = 100m

To Find: The distance covered in 1 min 2 seconds or 62 seconds

Finding the Speed of the man:

We know that:

speed = distance covered / time taken

Speed = 100 / 9 (we are given that he travels 100 m in 9 seconds)

Speed = 11.11 m/s

Distance travelled in 62 seconds:

We know that:

distance covered = speed * time

replacing the value of speed and time

Distance = 11.11 * 62

Distance = 688.82 m

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2 years ago