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3 years ago

What is the answer to 6÷2(1+2)

Mathematics

2 answers:

Debora [2.8K]3 years ago

6 0

6 ÷ 2 (2+1) = 6 ÷ 2 × 3 = 3 × 3 = 9

ch4aika [34]3 years ago

6 0

To follow the order of operations, you would first need to simplify (1+2) to 3.

You now have <span>6÷2×3

Next, you have to divide 6 by 2 which gives you 3.

You now have 3×3

Finally, multiply 3 by 3.

Your final answer is 9.</span>

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neonofarm [45]

Answer:

1.) $640 2.) 7 years.

Step-by-step explanation:

1000 x .2 = 200 1 yr

1000 - 200 = 800

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5 0

3 years ago

Some of Mrs. Turay’s eighth graders took the PSAT test. Score totals of ten of her students are below. Calculate the mean and th

den301095 [7]

Answer:

(a) Mean=74

(b) Median=70

Step-by-step explanation:

We have been given a data set of PSAT scores of Mrs. Turay's eight graders. We are asked to find mean and median of the given data set.

(a) Let us find mean of data set by dividing the sum of given scores by the number of students.

$\text{Mean}=\frac{60+62+67+69+70+70+71+75+76+120}{10}$

$\text{Mean}=\frac{740}{10}=74$

Therefore, the mean test score will be 74.

(b) Now let us find median of our given data set. We have been given that number of students is 10, therefore, our median will be the average of 5th and 6th term.

60, 62, 67, 69, 70, 70, 71, 75, 76, 120.

We can see that 5th term is 70 and 6th term is 70 as well.

$\text{Median}=\frac{70+70}{2}$

$\text{Median}=\frac{140}{2}$

$\text{Median}=70$

Therefore, the median test scores will be 70.

(c) We can see that our data set has an outlier score as 120, which has increased the mean. Mean score is greater than median score. Since median is not affected by extreme value outliers, therefore, median will be the best measure of center for given test scores.

3 0

3 years ago

Read 2 more answers

Plz help. I am very stuck. Its due today and I have none to ask help to.

Nonamiya [84]

Answer:

Hi there!

The correct answers for the question are:

For 45 mph, the trip time is: 9.78

For 55 mph, the trip time is: 8.36

For 65 mph, the trip time is: 7.38

Step-by-step explanation: