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2 years ago

.0006793 in scientific notation

Mathematics

1 answer:

Ber [7]2 years ago

3 0

Answer:

6793×10^-3 is the answer

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Find a unit vector parallel to and normal to the graph of f(x) at the indicated point. f(x) = sqrt(25-x^2) point (3,4)

cupoosta [38]

y = sqrt(25-x^2) at point (3,4)

The derivative gives us the slope at 3 to be:
-2x
------------ at x=3: -3/4
2sqrt(25-x^2)

so we have a vector that is parallel to the slope of the tangent line is: <4,-3>

the mag = 5 so; unit tangent = <4/5 , -3/5>

since perpendicular lines have a -1 product between slopes we get the normal to be... <3/5,4/5>

It is <4,-3> because it is rise over run. Rise is y component of vector and run is x component of vector.

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3 years ago

Is 3/10 equivalent to 9/30

NemiM [27]

Yes it is because if you multiply 3*3=9
then what you do on top you do on the bottom 10*3=30

3 0

3 years ago

Read 2 more answers

Find the midpoint of the line segment JK if j (4,6) and k(0,-4)

Snowcat [4.5K]

Answer:

$(2,1)$

General Formulas and Concepts:

Order of Operations: BPEMDAS

Midpoint Formula: $(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

Step-by-step explanation:

Step 1: Define points

J (4, 6)

K (0, -4)

Step 2: Find midpoint

Substitute: $(\frac{4+0}{2},\frac{6-4}{2})$
Add/Subtract: $(\frac{4}{2},\frac{2}{2})$
Divide: $(2,1)$

4 0

3 years ago

Find the probability p(e or f) if e and f are mutually exclusive, p(e)equals 0.25, and p(f)equals 0.51.

Masteriza [31]

The definition of two events being mutually exclusive (or disjoint) only means that it is not possible for the two events to occur together. Given two events, E and F, they are mutually exclusive and also mean independent.

In this case, since events E and F are mutually exclusive, therefore the probability that either E or F will occur will simply be the sum of two events.

P (E or F) = P (E) + P (F)

P (E or F) = 0.25 + 0.51

P (E or F) = 0.76

Therefore this means that there is a 76% probability that either E or F will occur.

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3 years ago

How many cubic meters of material are there in a conical pile of dirt that has radius 9 meters and height 6 meters 6 meters? Us

alisha [4.7K]

To find the volume of a cone, you use the formula $\pi r^{2} \frac{h}{3}$ .
Radius squared would be 36 in our case and 36 times 3.14 is 113.04. 6 thirds is also two, so multiply that by two and you would get 113.04 x 2 = 226.08. So, your answer would be 226.08 cubic meters of dirt.

7 0

3 years ago