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icang [17]
3 years ago
10

Is each expression algebraic or numerical a. 7/2 b. 4m + 6 c. 2(5 - 4)

Mathematics
1 answer:
kicyunya [14]3 years ago
4 0
A is numerical
b is algebraic
c is numerical
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What is proving triangles congruent by ASA and AAS
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On average, a department store sells 12 shirts in 2 days. At this rate, about how many shirts will be sold in 8 days?
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3 0
3 years ago
Read 2 more answers
Please someone help I’m in the middle of my test and I don’t understand this question please someone help me answer it.
DENIUS [597]

Answer:

Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.

Step-by-step explanation:

8 0
2 years ago
The average daily volume of a computer stock in 2011 was million​ shares, according to a reliable source. A stock analyst believ
igomit [66]

Complete question :

The average daily volume of a computer stock in 2011 was p = 35.1 million shares, according to a reliable source. A stock analyst believes that the stock volume in 2014 is different from the 2011 level. Based on a random sample of 40 trading days in 2014, he finds the sample mean to be 30.9 million shares, with a standard deviation of s = 11.8 million shares. Test the hypotheses by constructing a 95% confidence interval. Complete parts (a) through (c) below. State the hypotheses for the test. Construct a 95% confidence interval about the sample mean of stocks traded in 2014.

Answer:

H0 : μ = 35.1 ;

H1 : μ < 35.1 ;

(26.488 ; 35.312)

Step-by-step explanation:

The hypothesis :

H0 : μ = 35.1

H1 : μ < 35.1

The confidence interval :

Xbar ± Margin of error

Xbar = 30.9

Margin of Error = Zcritical * s/sqrt(n)

Zcritical at 95% = 1.96

Margin of Error = 1.96 * (11.8/sqrt(40))

Margin of Error = 4.412

Lower boundary :

30.9 - 4.412 = 26.488

Upper boundary :

30.9 + 4.412 = 35.312

Confidence interval = (26.488 ; 35.312)

Since the population mean value exists within the interval, the we fail to reject the Null.

5 0
2 years ago
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