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PolarNik [594]
3 years ago
7

Can someone plz help me?

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
7 0
Sorry man i can't help you
but i think it's y=25,x=100
n200080 [17]3 years ago
4 0
The equation of the line best fit is y=35, x= 20
no practice, student expcted to type 20 wpm
every minute spent practicing typing speed increased by 1/2  word per minute
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juin [17]

Answer:

The last one

Step-by-step explanation:

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4 0
3 years ago
A craftsman can sell 10 jewelry sets for $500 each. He knows
liraira [26]

Answer:15

Step-by-step explanation:

Given

Craftsman sell 10 Jewelry set for $500 each

For each additional set he will decrease the price by $ 25

Suppose he sells n set over 10 set

Earning=\text{Price of each set}\times \text{no of set}

Earning =(500-25n)(10+n)

E=5000+500n-25n^2-250n

differentiate to get the maximum value

\frac{dE}{dn}=-50n+250

Equate \frac{dE}{dn} to get maximum value

-50n+250=0

n=\frac{250}{50}

n=5

Thus must sell 5 extra set to maximize its earnings.

5 0
3 years ago
-2 - 10j = -9j -3<br>Is that <br>no solution<br>one solution<br>infinitely many solution​
jasenka [17]
It's one solution.

no matter how you solve it, it will equal j = 1.
4 0
3 years ago
What's the solution and answer? And explain please
Advocard [28]
The solution is subtract4.7x on both sides. Then you get -2.2x=7.7. Divide 7.7 by -2.2 and you get x= -3.5
7 0
3 years ago
3/4 + (1/3 ÷ 1/6) - (-1/2) =
Aleonysh [2.5K]
The answer is 13/14
4 0
4 years ago
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