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3 years ago

How many -pound bags of soap flakes can Mr. Newman fill?

Mathematics

2 answers:

Vilka [71]3 years ago

5 0

Answer:

where is the other part of the question

Aleksandr-060686 [28]3 years ago

5 0

Need more to answer the question.

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Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

polet [3.4K]

If you're just integrating a vector-valued function, you just integrate each component:

$\displaystyle\int(\sec^2t\,\hat\imath+t(t^2-1)^8\,\hat\jmath+t^7\ln t\,\hat k)\,\mathrm dt$

$=\displaystyle\left(\int\sec^2t\,\mathrm dt\right)\hat\imath+\left(\int t(t^2-1)^8\,\mathrm dt\right)\hat\jmath+\left(\int t^7\ln t\,\mathrm dt\right)\hat k$

The first integral is trivial since $(\tan t)'=\sec^2t$ .

The second can be done by substituting $u=t^2-1$ :

$u=t^2-1\implies\mathrm du=2t\,\mathrm dt\implies\displaystyle\frac12\int u^8\,\mathrm du=\frac1{18}(t^2-1)^9+C$

The third can be found by integrating by parts:

$u=\ln t\implies\mathrm du=\dfrac{\mathrm dt}t$

$\mathrm dv=t^7\,\mathrm dt\implies v=\dfrac18t^8$

$\displaystyle\int t^7\ln t\,\mathrm dt=\frac18t^8\ln t-\frac18\int t^7\,\mathrm dt=\frac18t^8\ln t-\frac1{64}t^8+C$

8 0

4 years ago

What is the range of data in this box plot? what is the median?

jeka57 [31]

Hello!

The range is the lowest number subtracted from the highest number

The lowest number is 1
The highest number is 9

9 - 1 = 8

The range is 8
------------------------------------------------------------------------------------------------------
To find the median you look at the line that separates the box plot into two sections

The median is 4

Hope this helps!

8 0

4 years ago

Read 2 more answers

Need help ASAP!! I'll give brainliest to the correct answer!!!

Scorpion4ik [409]

Answer:

25m 25m 75m

Step-by-step explanation:

6 0

3 years ago

Select all the pairs that represent consecutive interior (or same-side interior) angles.

DedPeter [7]

Answer:

angle 4 and angle 8

angle 3 and angle 5

Step-by-step explanation: the pair of angles on one side of the transversal and inside the two lines are called the consecutive interior angles

so, angle 4 and angle 8

and angle 3 and angle 5

are consecutive interior angles.

3 0

3 years ago

How do I find the value of x for a triangle

siniylev [52]

Answer:

a+b+c=180

Step-by-step explanation:

If you already have the first 2 values, add them together and subtract that number from 180. The total of all angles added together should always equal 180.

7 0

4 years ago