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Harman [31]
3 years ago
9

Using this formula, calculate the value of the z-statistic. Round your answer to the tenths place.

Mathematics
2 answers:
Nitella [24]3 years ago
7 0

Answer:

z= -2.5

Step-by-step explanation:

morpeh [17]3 years ago
4 0

Answer:

-2.5

Step-by-step explanation:

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2 years ago
Find the values of a b and c for which the quadratic equation ax^2+bx+c=0 has the solutions -3 and 1
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It may be easier to start from

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7 0
3 years ago
Diego wants to find 4 1/5 - 7/10 .. Explain why he must rename 4 1/5 in order to do the subtraction?
nevsk [136]

Answer:

<u>The result is 3 1/2 and this is the explanation why Diego must convert 4 1/5 from mixed number to improper fraction.</u>

Step-by-step explanation:

These are the steps Diego should follow to find 4 1/5 - 7/10:

Step 1: Convert all mixed numbers into improper fractions.

4 1/5 = 21/5 - 7/10

Step 2: Find a common denominator between the improper fractions. When necessary, create equivalent fractions.

21/5 = 42/10 - 7/10

Step 3: Add or subtract the numerators and keep the denominator the same.

42 - 7 = 35/10

Step 4: If the answer is an improper form, reduce the fraction into a mixed number.

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<u>The result is 3 1/2 and this is the explanation why Diego must convert 4 1/5 from mixed number to improper fraction.</u>

4 0
4 years ago
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