MATHEMATICS COLLEGE

What is 7/8- 5/8?
Answer
What is 7/8- 5/8? Answer - 1

Answers

Answer 1
Answer:

Answer:

1/4

Step-by-step explanation:

Since the denominatior is the same, we can look at only the numerator. So 7/8 - 5/8 is basically 7 - 5 which is 2.

The denominator doesn't change so it's 2/8. We can further simplify this into 1/4.
Answer 2
Answer: It will be 1/4! Because you need to reduce it

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A rock group needs to choose 3 songs to play at the annualBattle of the Bands. How many ways can they choose their
set if they have 15 songs to pick from? /(10 pts)

Answers

Answer:

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An analysis of the grades on the first test in History 101 revealed that they approximate a normal curve with a mean of 75 and a standard deviation of 8. The instructor wants to award the grade of A to the upper 10% of the test grades. To the nearest percent, what is the dividing point between an A and a B grade? Select one:
a. 80
b. 85
c. 90
d. 95

Answers

Answer:

b. 85

Step-by-step explanation:

Average grade (μ) = 75

Standard deviation (σ) = 8

Assuming a normal distribution, the z-score corresponding to the upper 10% of the test grades is z = 1.28.

The minimum grade 'X' within the top 10% is given by:

z=(X-\mu)/(\sigma)\n1.28=(X-75)/(8)\nX=85.24

Rounding to the nearest percent, the dividing point between an A and a B grade is 85.

3/5 meters per 9 minutes.
What is the unit rate in minutes per meter?

Answers

Answer:

.06 meters

Step-by-step explanation:

3/5=.6

.6/9=.06

What pet makes the loudest noise algebra 2

Answers

A trum-pet ;) almost got me there

What is the equation of the line? Y= 1/2x + 2

Y= 2x + 2

Y= 2x - 4

Y = 1/2x - 4

Answers

Answer:

y=1/2x+2

Step-by-step explanation:

Find the value of h(-67) for the function below
h(x)=-49x-125

Answers

Answer:
h(-67) = 3158
General Formulas and Concepts:
Order of Operations: BPEMDAS
- Substitution and Evaluation
Step-by-Step Explanation:
Step 1: Define
h(x) = -49x - 125
h(-67)

Step 2: Solve
1. Substitute: h(-67) = -49(-67) - 125
2. Multiply: h(-67) = 3283 - 125
3. Subtract: h(-67) = 3158
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