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Kaylis [27]
3 years ago
8

Please answer!!!!!!!!!!!!!!!!!! (-:

Mathematics
2 answers:
Ludmilka [50]3 years ago
5 0
A-c=b i think. hope this helped
julia-pushkina [17]3 years ago
3 0

the correct answer is A

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Nataly [62]

Answer:

I think it's (-3, 1)

Hope this helps! :)

7 0
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I forgot someone help me plz
o-na [289]
Write the conjugates of them then FOIL both the top and bottom, then factor

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Among 9 electrical components exactly one is known not to function properly. if 4 components are randomly selected, find the pro
seraphim [82]

Answer:

0.4444

Step-by-step explanation:

Use the following property to ease the calculation:

P(At least one)=1-P(None)

Total number of electrical components: 9

Number that does not function well :1

Number that functions well : 8

We have ^8C_4=70 ways to to choose 4 good components from 8.

We have ^9C_4=126 ways to choose 4 components from a total of 9.

If all function properly then none is bad, we ^1C_0=1 way to do this.

P(At least one)=1-\frac{^8C_4*^1C_0}{^9C_4}

P(At least one)=1-\frac{70*1}{126}

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4 0
3 years ago
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Solve for z<br><br> −4z + 31 ≥ 17z + 23
Natali [406]

z  \leqslant  \frac{8}{21}

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3 years ago
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Last summer, there were 890 houses for sale in Annie's town. The other 110 houses in the town were not for sale. What percentage
marusya05 [52]

Answer:

89%

Step-by-step explanation:

First find the total houses

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out of the 1000, 890 were for sale

so 890/1000 divide by 100

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or 89%

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3 years ago
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