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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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Use the graph of f(x) to evaluate the following:
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Answer:

\large\boxed{\dfrac{1}{2}}

Step-by-step explanation:

\text{The average rate of change of function}\ f(x)\\\text{over the interval}\ a\leq x\leq b\ \text{is given by this expression:}\\\dfrac{f(b)-f(a)}{b-a}.\\\\\text{Read from graph the values of function for}\ x=3\ \text{and}\ x=5.\\(look\ at\ the\ picture)\\\\f(3)=1,\ f(5)=2\\\\\text{Substitute:}\\\\\dfrac{f(5)-f(3)}{5-3}=\dfrac{2-1}{2}=\dfrac{1}{2}

3 0
3 years ago
Use rounding to estimate 2.57 +0.14
marin [14]
2.57=3
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———
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3 0
3 years ago
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4 0
3 years ago
I need help please and thank u,
Alchen [17]

The illegal values of b are when the denominator equals 0.

So, b^2-2b-8=0 gives you (b-4)(b+2)=0

Therefore, b=4 and b=-2, which is answer A.


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