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m_a_m_a [10]
3 years ago
15

At a hardware store, a tool set normally costs $80. During a sale this week, the tool set costs $12 less than usual. What percen

tage of the usual price is the savings? Explain or show your reasoning.
Mathematics
1 answer:
Sav [38]3 years ago
5 0

Answer:

Answer is 15%

You have to do a proportion

12. = x

80 100 and u have to cross multiply

80x = 1200

80. 80

then divide 1200÷80=15

Step-by-step explanation:

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3 years ago
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Question One:
Jobisdone [24]

Probability that 2 of the 10 chargers will be defective =0.35

Number of ways of selecting 10 chargers from 20 chargers is 20C10

20C10 = 184756

Number of ways of selecting 10 chargers from 20 = 184756

Number of ways of selecting 2 defective chargers from 5 defective chargers = 5C2

5C2 = 10

Since 2 defective chargers have been chosen, there remains 8 to choose

Number of ways of selecting 8 good chargers from 15 remaining chargers = 15C8

Number of ways of selecting 8 good chargers from 15 remaining chargers = 6435

Probability that 2 of the 10 will be defective =

(10x6435)/184756

Probability that 2 of the 10 will be defective = 64350/184756

Probability that 2 of the 10 chargers will be defective =0.35

Learn more on probability here: brainly.com/question/24756209

8 0
2 years ago
Turn 54.1256 into a fraction
mel-nik [20]
I get 433 divided by 8 .... 433/8

3 0
3 years ago
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Please help <br> I will mark brainlist
Naya [18.7K]

Answer:

B x = sqrt(48)

Step-by-step explanation:

Half of the bottom side measures 4.

4^2 + x^2 = 8^2

16 + x^2 = 64

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x = sqrt(48)

Answer: B x = sqrt(48)

4 0
3 years ago
-3.8x - 5.9x = 223.1
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Answer:

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Step-by-step explanation:

-3.8x-5.9x=223.1

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x=223.1/-9.7

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