3 years ago

2x +2 -1x-(2x +1-1-2)

Mathematics

2 answers:

Strike441 [17]3 years ago

5 0

Answer:

-x+4

Step-by-step explanation:

I could be wrong.

Alenkinab [10]3 years ago

3 0

Answer:

− x +4

Step-by-step explanation:

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Zoe mows lawns in the summer to earn extra money. She usually charges $15 per week, but she offers a special rate of $59.50 if a

anyanavicka [17]

Divide the amount paid by number of weeks:

59.50/5 = $11.90 per week.

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3 years ago

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c) The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer.

Anni [7]

Answer: There is 0.014 proportion of connectors fail during the warranty period.

Step-by-step explanation:

Let A be the event that connector fails.

Let B be the event that connector wet.

P(B) = 10%

P(B') = 90%

P(A|B) = 0.05

P(A|B') = 0.01

So, we need to find the proportion of connectors fail during the warranty period is given by

$P(A)=P(B)P(A|B)+P(B')P(A|B')\\\\P(A)=0.1\times 0.05+0.9\times 0.01\\\\P(A)=0.014$

Hence, there is 0.014 proportion of connectors fail during the warranty period.

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3 years ago

What is the correct option? How to do this one

Vanyuwa [196]

164
Inscribed angle=.5 arc
82=.5arc
Arc=164

8 0

4 years ago

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The decimal form 1.46 becomes _______ expressed as a percent.

castortr0y [4]

To convert from a decimal to a percentage, you must multiply the decimal by 100. Therefore, we do 1.46 x 100 = 146% Therefore A is the correct answer.

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3 years ago

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Slope of 5, -5 and 7, 3

seraphim [82]

Answer:

m = 4

Step-by-step explanation:

The entered points belong to an increasing, linear function.

Equation: y = 4x - 25.

m = 8 / 2 = 4 / 1 = 4

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3 years ago