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2 years ago

What is pie time the square root of 9

Mathematics

1 answer:

Whitepunk [10]2 years ago

4 0

Π*√9

π*3

3π π ≈ 3.1416

3*3.1416

≈ 9.4248

Hope this explains it.

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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 $\vec b$ :

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

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2 years ago

How to answer this ?

hichkok12 [17]

Answer:

a)3,6,9,12,15,18,24 b)7,14,21,28,35,52,49,56

a)16 b)40 c)24 d)36

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Which is the equation of a line that has a slope ot 1/2 and passes through the point 2, -3

mamaluj [8]

Answer:

y=1/2x-4

Step-by-step explanation:

You are given the slope, 1/2. So you can plug it into the equation (y=mx+b)

You also need to plug in the x and y coordinate your given so you'll have

-3=1/2(2)+b. Then you solve for b, which is -4. You now have your answer, y=1/2x-4.

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2 years ago

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Solve the equation (z-5)/-7=11

Lorico [155]

Z = -72

Ask me in the comments section if you want the equation solved step-by-step.

Hope this helped!

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2 years ago

There are 11 books on a shelf. 5 of these books are new. (a) What is the ratio of new books to used books? (b) What is the ratio

ser-zykov [4K]

A)
Since 5 of the books are new, that means that the other books are used. So, there are 11-5=6. The ratio would be 5:6.

b)
The ratio is 6:11. You get the 6 from the above problem.

Hope this helps!

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2 years ago