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luda_lava [24]
3 years ago
5

[Annie: 4 (x+y+z) Bradley: 4x+yz Carlos: 4xyz Zuri: 4x+4z+4y]

Mathematics
2 answers:
slega [8]3 years ago
8 0
4x+4y+4z. I was taught to take out what was in each term, in this problem that would be 4: 4(X+y+z). Meaning A) Annie did the problem right :) I hope this helps!
garri49 [273]3 years ago
7 0

Answer:

Annie

Step-by-step explanation:

In the expression

4x+4y+4z

All terms have in common the coefficient of 4, so we can take it out (or factor it) from the expression as follows:

4(x+y+z)

and due to the distributive property, in which the 4 must be multiplied by each of the terms within the parenthesis, this is equivalent to the original expression.

Thus, the student who has the right answer is: Annie.

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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
3 years ago
X-7=13answer and how to solve?
Ahat [919]
X-7=13
move -7 to the right side of the equation, change the sign from negative to positive when you move it
x-7+7=13+7
x=13+7
x=20
4 0
3 years ago
Emily's account balance this Monday is -$8.35 . Her account balance last Monday was $15.75. Which statement explains how to find
Yanka [14]
The correct answer to determine the change in he account is by:

C. Subtracting last Monday's account balance from this Monday's account balance to find that the change in the balance is -$24.10.

Hope This helped :)
8 0
3 years ago
The sum of 10 and twice a number<br> (an equation)
Gekata [30.6K]

Answer:

10+2x= the sum (anything could be put here)

Step-by-step explanation:

Well sum is automatically addition

Doubleing a number is basically multiplying it by 2

so

10+2x= whatever youw ant to put here

8 0
3 years ago
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Andre45 [30]

Answer:

0

Step-by-step explanation:

7 0
3 years ago
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