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3 years ago

What is the standard notation of 415 km?

Mathematics

1 answer:

professor190 [17]3 years ago

7 0

Answer:

The answer is 415 because it is already in standard notation.

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Calculate a vector c in the same direction of the vector a and that has the same length as the vector b

Viktor [21]

For any scalar $t>0$ , $t\vec a$ is a vector pointing in the same direction as $a$ .

To force this vector to have the same length as another vector $\vec b$ , first normalize $t\vec a$ by dividing it by its norm,

$\dfrac{t\vec a}{\|t\vec a\|}=\dfrac{t\vec a}{t\|\vec a\|}=\dfrac{\vec a}{\|\vec a\|}$

then multiply this vector by the norm of $\vec b$ , so that

$\vec c=\dfrac{\|\vec b\|}{\|\vec a\|}\vec a$

To confirm that $\vec c$ has the same length as $\vec b$ :

$\|\vec c\|=\left\|\dfrac{\|\vec b\|}{\|\vec a\|}\vec a\right\|=\dfrac{\|\vec b\|}{\|\vec a\|}\|\vec a\|=\|\vec b\|$

8 0

3 years ago

If an electrician charges $60 an hour and a base fee Of 150 for every house call. Write an equation foR C, in terms of t, res pr

azamat

Answer

Basically you need to know how many hours to work then I think it would help your problem.

Step-by-step explanation:

5 0

3 years ago

Evaluate the expression –0.4(3x – 2) + 2x+4/3 for x=4

fomenos

Answer:

-1.07

Step-by-step explanation:

–0.4(3x – 2) + 2x+4/3

–0.4(24 – 2) + 8+4/3

-9.6-0.8+8+1.33

-2.4+1.33

-1.07

8 0

3 years ago

Which sequence of transformations will result in similar, but not congruent, figures?

Rudik [331]

D.dilation changes the size is your answer. Hope this helps!

8 0

3 years ago

Read 2 more answers

Y'all, please help a girl out. ಥ_ಥ This problem is driving me nuts, but it's simple but I can't get the answer and that's why I'

elixir [45]

Answer:

The perimeter is 22.

Step-by-step explanation:

If you turn this shape into a rectangle, the perimeter doesn't change.

The width is given, it is 7.5. The height is BC+DE = 3.5

Then the perimeter is twice the width plus twice the height:

7.5*2 + 3.5*2 = 15+7 = 22

8 0

3 years ago