Marcus has $45 in his bank account. He deposits a check for $65. Two days later he

Mathematics

2 answers:

rjkz [21]3 years ago

8 0

Answer: $90

Step-by-step explanation: Take 45 and add 65, then subtract 20.

Nonamiya [84]3 years ago

7 0

There is $90 left in his account

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Tammy did a survey to answer the following question: what is the average reading score of grade 6 students?

Minchanka [31]

Answer:

Step-by-step explanation:

The mean/average is the sum of all the numbers divided by the number of numbers.

It is given that mean is 4.5 points. <em>At this point, it means that there might be students scoring less than 4.5 and students scoring greater than 4.5 BUT the average comes to be 4.5</em>.

BUT SINCE IT IS GIVEN THAT EACH STUDENT SCORED THE SAME, the only way that this can be true is when EVERY STUDENT SCORES 4.5. This way, the AVERAGE/MEAN will be 4.5

Hence, the correct answer is A.

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3 years ago

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In a class of 25 students, the following test scores were obtained:

marta [7]

Answer:

Step-by-step explanation:

Firstly,we need to find the mean, median and mode to enable us know the type of distribution it exhibit.

Mode-data with the highest frequency that is data that has the highest repetition which is 59.

Median-the middle data which is 75.

Mean-average of the data that is addition of the data divided by 25 which gives 75.4 approximately equals to 75

Distribution is unimodal symmetric if it has one clear peak(one mode) and mean = median , so Option A is right

Distribution is skewed left if the mean is less than median and the mode is less than the median that is mean is less than the median, and they are both less than the mode. So option B is wrong.

A distribution is uniform if all outcomes are likely to be the same,it is usually a rectangular shaped distribution. So option C is wrong

A distribution is bimodal if it has two modes. This means that there are two data values that tie for having the highest frequency but as for this data we have only one data with the highest frequency so option D is wrong

Option A is correct

5 0

4 years ago

5 bags of dog food = 18.75 then how much is six bags

Rufina [12.5K]

Answer:

34.62

Step-by-step explanation:

5 bags of dog food = 18.75

1 bags of dog food = 18.75 / 5 = 5.77

6 bags of dog food

= 6 x 5.77