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balu736 [363]
4 years ago
15

1.4z + -0.6= .2 (5 +3z)

Mathematics
2 answers:
Papessa [141]4 years ago
8 0
1.4z-0.6 =0.2 (5+3z)
1.4z-0.6 = 1 + 0.6z
       +0.6  +0.6
1.4z=1.6+0.6z
-0.6z     -0.6z
0.8z=1.6
/0.8    /0.8
z=2

Hopefully, I did my math right and that this helps!
Gennadij [26K]4 years ago
3 0
Z=2/3
decimal z=0.66667
do you need a graph?

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Determine the measures of angles C and D.<br>​
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Answer:

c = 40 and d = 76

Step-by-step explanation:

this is going to take me a long time to explain but here we go

so you need to do 180 - 116 and get 64.

then create a equation that is like this 7y + 6 + 4y + 64 = 180

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do the same for d and you will get 76

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7 0
3 years ago
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Suppose that the cost of producing n pairs of shoes is given by the expression c(n)=30+5n. the average cost of producing a pair
makkiz [27]
<h3>Given</h3>

c(n)=30+5n\\a(n)=\dfrac{c(n)}{n}

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<h3>Solution</h3>

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The derivative of the average cost function at n=10 is -0.30.

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