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Artemon [7]
4 years ago
12

in the equation

" alt="\frac{2}{3}b+5=20-b" align="absmiddle" class="latex-formula"> , in the second step of the picture down below, why did \frac{2}{3} change to \frac{5}{3} ?

Mathematics
1 answer:
gregori [183]4 years ago
8 0

Answer:

2/3 changed to 5/3 because in the 2nd step, b was added to each side.  A number 1 is assumed in front of the b;

Step-by-step explanation:

Therefore, 2/3 becomes 5/3 because 2/3 + 1 = 1 2/3 = 5/3.  I just simplified.

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Step-by-step explanation:

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6 0
3 years ago
WXYZ is a kite. Solve for x and y. ANSWERS: A) x = 12; y = 2 B) x = 13; y = 10 C) x = 13; y = 1∕2 D) x = 12; y = 5
Gemiola [76]

Answer:

C

Step-by-step explanation:

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4 0
4 years ago
Read 2 more answers
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marta [7]

Answer:


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6 0
4 years ago
An investigator claims, with 95 percent confidence, that the interval between 10 and 16 miles includes the mean commute distance
RideAnS [48]

Answer:

Hello the options to your question is missing below are the options

 A) if sample means were obtained for a long series of samples, approximately 95 percent of all sample means would be between 10 and 16 miles

B.the unknown population mean is definitely between 10 and 16 miles

C.if these intervals were constructed for a long series of samples, approximately 95 percent would include the unknown mean commute distance for all Californians

D.the unknown population mean is between 10 and 16 miles with probability .95

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Step-by-step explanation:

95%  confidence

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To have 95% confidence signifies that if these intervals were constructed for a long series of samples, approximately 95 percent would include the unknown mean commute distance for all Californians

confidence interval covers a range of samples/values in the interval and the higher the % of the confidence interval the more precise the interval is,

7 0
3 years ago
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