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ValentinkaMS [17]
3 years ago
6

Is 2mn and mn^2 like terms?

Mathematics
1 answer:
Nat2105 [25]3 years ago
5 0

Answer:

I believe so yes

Step-by-step explanation:

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Reggie drives 10 miles from the airport to the highway. once on the highway, he drives at a speed of 55mph. What is Reggie's tot
dexar [7]

Answer:

10+55x

Step-by-step explanation:

this is your answer because we don't know how man hour he drove after reaching the high but we know how many mile he dove to the high way.

hope this helps


8 0
3 years ago
Solve for all values of x by factoring. x^2-1=0
SashulF [63]

Answer:

x = 1

Step-by-step explanation:

The reason the answer is one because, 1^2 = 1

and 1 - 1  = 0

3 0
4 years ago
An English professor assigns letter grades on a test according to the following scheme. A: Top 15% of scores B: Scores below the
lisabon 2012 [21]

Answer:

59 to 66

Step-by-step explanation:

Mean test scores = u = 74.2

Standard Deviation = \sigma = 9.6

According to the given data, following is the range of grades:

Grade A: 85% to 100%

Grade B: 55% to 85%

Grade C: 19% to 55%

Grade D: 6% to 19%

Grade F: 0% to 6%

So, the grade D will be given to the students from 6% to 19% scores. We can convert these percentages to numerical limits using the z scores. First we need to to identify the corresponding z scores of these limits.

6% to 19% in decimal form would be 0.06 to 0.19. Corresponding z score for  0.06 is -1.56 and that for 0.19 is -0.88 (From the z table)

The formula for z score is:

z=\frac{x-u}{\sigma}

For z = -1.56, we get:

-1.56=\frac{x-74.2}{9.6}\\\\ x = 59

For z = -0.88, we get:

-0.88=\frac{x-74.2}{9.6}\\\\ x = 66

Therefore, a numerical limits for a D grade would be from 59 to 66 (rounded to nearest whole numbers)

7 0
4 years ago
For a family with 6 children what is the probability that they have exactly one boy and 5 girls
Katen [24]

Answer:

Ok so the probability  would be 16%(can be round to)

Step-by-step explanation:

3 0
3 years ago
Please help if ur good at computers
polet [3.4K]
They can be customised depending on your use.
8 0
3 years ago
Read 2 more answers
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