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Helen [10]
2 years ago
13

The number line represents −4 1/2+3 1/4. What is the sum?

Mathematics
2 answers:
rjkz [21]2 years ago
5 0

Answer:

C

Step-by-step explanation:

Rbrberbrb

Romashka [77]2 years ago
4 0

Answer: Its c

=- 1 1/4

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Solve for b in the formula C = AB + D
Travka [436]

Answer:

B = C - D / A

Step-by-step explanation:

C = AB + D

subtract D

C - D = AB

Divide by A

B = C - D / A

C and D are both divided by A

8 0
3 years ago
After the schedule adjustment, the first 36 runs were an average of 8 minutes late. As a result, the Boston public school distri
aev [14]

Answer:

The value of test statistic is -2.

Step-by-step explanation:

The following information is missing in the question.

The population mean is 12 minutes.

We are given the following in the question:

Population mean, μ = 12 minutes

Sample mean, \bar{x} = 8 minutes

Sample size, n = 36

Population standard deviation, σ = 12 minutes

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{8 - 12}{\frac{12}{\sqrt{36}} } = -2

The value of test statistic is -2.

6 0
3 years ago
Least to greatest<br> 2.43<br> 2.43<br> -2 1/3<br> 2 5/9
3241004551 [841]

Answer:

Step-by-step explanation:

-2 1/3 2 5/9 2.43 2.43

6 0
3 years ago
Read 2 more answers
Ragan is writing an 8-page essay. If she averages 1 page in 40 minutes, which is a reasonable estimate of the amount of time it
Georgia [21]

Answer: It is A.

Step-by-step explanation: The reason why it is A is because what you do first is multiply 40 by 8 because it takes 40 minutes to write one page and there are 8 pages in total. 8 x 40 = 320. Then you divide 320 by 60 because 60 minutes = 1 hour. 320 / 60 = 5.333333 so  the answer is between 5 and 6 hours. :)

6 0
3 years ago
Read 2 more answers
Help me this is very hard
guapka [62]

Answer:

B. 60

Step-by-step explanation:

1. take the square root of 64

2. multiply 8*10 and 5*4

3. subtract

Square root of 64 is 8 so,

10*8 - 5*4

80 - 20 =

60

4 0
2 years ago
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