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Sidana [21]
3 years ago
13

Convert 7.23 (3 reapting) to a fraction

Mathematics
1 answer:
Svetllana [295]3 years ago
8 0

x=7.2\overline{3}\\\\10x=72.\overline{3}\\\\100x=723.\overline{3}\\\\100x-10x=723.\overline{3}-72.\overline{3}\\\\90x=651\\\\x=\dfrac{651}{90}=\dfrac{217}{30}

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Answer all questions.
Alika [10]

Answer:

1. 1800000000

2. 1e+22

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6 0
3 years ago
Trilobites to concert tickets from her friend she pays $90 for the two tickets she looks at the tickets and see that each ticket
Setler79 [48]

Answer:

Her friend gave Sheila a markdown of $15.

Step-by-step explanation:

Given;

Amount paid for 2 tickets = $90

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we need to find the markdown value did her friend gave to Shelia.

Solution:

each ticket = $52.50

2 tickets = Cost of 2 tickets.

By using unitary method we get;

Cost of 2 tickets = 52.50\times 2 =\$105.00

Now To find the markdown we will subtract the Amount paid for 2 tickets from the actual Amount of 2 tickets.

framing in equation form we get;

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4 0
3 years ago
Prove segment GF = segment HF
Llana [10]

Answer:

GF = FH

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EG = HI (parallel sides equal)

GEF & FIH are congruent, under the case of (SAS)

therefore, GF = FH (corresponding angle)

6 0
3 years ago
You decide to market your own custom computer software. You must invest $3255 for computer hardware, and spend $2.90 to buy and
rodikova [14]
You need to sell 363 if i did my math right 
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3 years ago
If the sample size is multiplied by 4, what happens to the standard deviation of the distribution of sample means?
Feliz [49]

Increasing the sample size by a factor of 4 or multiplying it by 4 is equal to increasing the standard error by 1/2.  Therefore, the interval will be half as varied.  This also works almost for population averages as lengthy as the multiplier from the t-curve doesn't modify much when increasing the sample size.

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