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Debora [2.8K]
3 years ago
12

Need help an plz show me how you know so you can give me the work

Mathematics
1 answer:
lisov135 [29]3 years ago
8 0
You subtract the known angle measurements from 180 because a straight line means the whole undivided angle is 180 degrees and the answer to the subtraction is your missing angle measurement
I hope this helps!!!

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Find the average value of the function on the given interval.<br> f(x)=2 ln x; [1,e]
JulijaS [17]

Answer:

f_{avg}=\frac{1}{e-1}

Step-by-step explanation:

We are given that a function

f(x)=2lnx

We have to find the average value of function on the given interval [1,e]

Average value of function on interval [a,b] is given by

\frac{1}{b-a}\int_{a}^{b}f(x)dx

Using the formula

f_{avg}=\frac{1}{e-1}\int_{1}^{e}lnx dx

By Parts integration formula

\int(uv)dx=u\int vdx-\int(\frac{du}{dx}\int vdx)dx

u=ln x and v=dx

Apply by parts integration

f_{avg}=\frac{1}{e-1}([xlnx]^{e}_{1}-\int_{1}^{e}(\frac{1}{x}\times xdx))

f_{avg}=\frac{1}{e-1}(elne-ln1-[x]^{e}_{1})

f_{avg}=\frac{1}{e-1}(e-0-e+1)=\frac{1}{e-1}

By using property lne=1,ln 1=0

f_{avg}=\frac{1}{e-1}

8 0
2 years ago
Bills weight is 48 kilograms. This is 10 grams more than one half his fathers weight. What is the fathers weight?
Musya8 [376]
<span>F=father's weight
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0.5F+10kg=48kg
0.5F=38kg
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ANSWER: His father's weight is 76 kg.</span>
8 0
3 years ago
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Murrr4er [49]

Answer:

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4 0
2 years ago
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suter [353]

Answer:

Each person would get 1 1/2 pounds worth of cookies

Step-by-step explanation:

4 1/2 pounds of cookies divided equally among 3 people

4 1/2 pounds divided by 3 people = 1 1/2 pounds of cookies

Each person gets 1 1/2 pounds of cookies

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3 years ago
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avanturin [10]

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Step-by-step explanation:

First place a point at (0,5) since the y-intercept is 5, then count 6 units down and 1 unit right. Then place a point until all points have been placed

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3 years ago
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