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azamat
3 years ago
14

I have no clue how to start this !! Please help

Mathematics
1 answer:
n200080 [17]3 years ago
5 0

Answer:

Should be obtuse

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How many items must she sell to break even?
nikklg [1K]

Answer:

20

Step-by-step explanation:

We have two simultaneous equations.

(1)  y = 2x + 50

(2) y = 4.5x

1. Subtract (1) from (2)

0 = 2.5x - 50

2. Add 50 to each side

2.5x = 50

3. Divide each side by 2.5

x = 20

Pilar must sell 20 items to break even.

8 0
3 years ago
PLEASE help asap if u know the answer!!!! quadratic functions:vertex form thank you!!!
SOVA2 [1]

Answer:

The answer to your question is: third option, it's a parabola

Step-by-step explanation:

f(x) = (x + 4)²

f(x) = x² + 4

f(x) = (x - 4)²    I think this is the right answer, because when get the vertex, the signs are changed, if the -4 is negative, it means that the graph must be located in +4.

f(x) = x² - 4

6 0
3 years ago
7. Dos moles de cloro (Cl2) en condiciones normales de presión y
kap26 [50]

Step-by-step explanation:

hahaiaiaijss tw,vw5×5-%2/

6 0
3 years ago
Find the error in lin’s solution.
Luba_88 [7]
4 - 17 is -13, not 13
3 0
3 years ago
Read 2 more answers
Kate currently has an account balance of $7,194.66. She opened the account 21 years ago with a deposit of $2,978.41. If the inte
jolli1 [7]
Use the attached formula.
exp = [log (total / principal) / n*years]
where "n" is compounding periods per year
exp = [log (7,194.66 / 2,978.41) / (365*21)
exp = log ( <span> <span> <span> 2.4156042989 </span> </span> </span> ) / 7,665
exp = log ( <span> <span> 2.4156042989 </span> </span> ) / 7,665
exp = 0.38302579382 / 7,665
exp = <span> <span> <span> 0.00004997074935681670 </span> </span> </span>

rate = (10^exp -1)* n
rate = (10^<span>0.00004997074935681670 -1) * n
</span>rate = <span><span>(1.0001150685 </span> -1) * 365
</span>rate = <span>(.0001150685) * 365</span>
rate = <span> <span> <span> 0.0420000025 </span> </span> </span>
rate = <span>4.20000025 %
rate = 4.2 %

Yes, it's just that easy.  LOL


</span>

5 0
3 years ago
Read 2 more answers
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