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Naddika [18.5K]

3 years ago

7

The meteorologist predicts that tomorrow calls for a 60% chance of rain. What exactly does this mean?

1 answer:

miv72 [106K]3 years ago

5 0

Its going to be 12 percent since

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Let r(t)=⟨t2,1−t,4t⟩. calculate the derivative of r(t)⋅a(t) at t=5, assuming that a(5)=⟨−4,4,−5⟩ and a′(5)=⟨−5,9,3⟩

erastovalidia [21]

$\mathbf r(t)=\langle t^2,1-t,4t\rangle$
$\implies\mathbf r'(t)=\langle 2t,-1,4\rangle$

$\dfrac{\mathrm d(\mathbf r(t)\cdot\mathbf a(t))}{\mathrm dt}\bigg|_{t=5}=\mathbf r'(5)\cdot\mathbf a(5)+\mathbf r(5)\cdot\mathbf a'(5)$
$=\langle10,-1,4\rangle\cdot\langle-4,4,-5\rangle+\langle25,-4,20\rangle\cdot\langle-5,9,3\rangle$
$=(-40-4-20)+(-125-36+60)$
$=-165$

6 0

4 years ago

AActiveWhich is the graph of g(x)=[²]* - 2²(0,2.25)2--2Mark this and return2 3Save and Exit56NextSubmit

bogdanovich [222]

SOLUTION

Given the question in the image, the following are the solution steps to answer the question.

STEP 1: Write the given function

$g(x)=(\frac{2}{3})^x-2$

STEP 2: Plot the given function

STEP 3: choose the correct graph

It can be seen from the plotted graph in step 2 that:

$\begin{gathered} x-intercept:(-1.71,0) \\ y-intercept:(0,-1) \end{gathered}$

Hence, comparing the x-intercepts, the correct graph is seen in:

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1 year ago

What is the order of this matrix?

myrzilka [38]

Answer:

I do

Step-by-step explanation:

not know

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3 years ago

Which of the following best explains why cos2pi/3 is not equal to cos5pi/3?

const2013 [10]

Answer: the angles do not have the same reference angle.

Step-by-step explanation:

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3 years ago

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12/2 as a whole number or mixed number

bogdanovich [222]

It is a mixed number because 12/2 can be written as 6 instead of 12/2

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3 years ago

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