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Fudgin [204]
3 years ago
6

How to do question 15 part (b)

Mathematics
2 answers:
Ivan3 years ago
3 0
Square root of

-0.8•0.16
--------------
2^ - 5.5
grin007 [14]3 years ago
3 0
You type it into a calculator. common mistake is to not use parenthesis on calculator. A calculator can't tell what you are dividing or is in cube root unless you add parenthesis. So either put parenthesis around top/numerator to include all in cube root divide by parenthesis around bottom/denominator or calculate separately, and divide.

answer to 1 sigfig is: 0.3
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Days before a presidential​ election, a nationwide random sample of registered voters was taken. Based on this random​ sample, i
leonid [27]

Answer:

No.

Step-by-step explanation:

Based on the​ sample, "52% of registered voters plan on voting for Robert Smith with a margin of error of plus or minus​3%." The margin of error was based on a​ 95% confidence level.

Then 95% Confidence Interval is between 49% and 55%. Since confidence interval also includes non-majority proportions, the assumption that "95% confidence, Robert Smith will win the election" cannot be made.

6 0
3 years ago
*Due tonight, plz help*
aleksandrvk [35]

Answer:

the correct answer is 165

5 0
3 years ago
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Mrac [35]

Answer:

What do you need help with mate?

Step-by-step explanation:

you don't have a question posted.

3 0
3 years ago
Which variable expression represents the phrase “the quotient of 5 times a number and 2”?
bezimeni [28]

Answer:

5x/2

Step-by-step explanation:

Say the mystery number is "x"

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3 0
2 years ago
Evaluate the function.<br> f(x) = -2x2 + 7<br> Find f(-5)
Alla [95]
-2(-5)^2 + 7
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-43
6 0
3 years ago
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