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Goshia [24]
1 year ago
5

Ages Number of students

Mathematics
1 answer:
lions [1.4K]1 year ago
7 0

The relative frequency for the class with lower class limit 31 is 8.57%.

<h3>How to calculate the frequency?</h3>

It should be noted that the lowrr class frequency is 31 in this case.

Therefore, the relative frequency for the class with lower class limit 31 will be:

= 3/(6+4+4+9+3+9) × 100

= 3/35 × 100

= 8.57%

Therefore, the relative frequency for the class with lower class limit 31 is 8.57%.

Learn more about frequency on:

brainly.com/question/254161

#SPJ1

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Elena-2011 [213]

To figure out this problem, you need to find the surface area of a triangular prism.

a=5ft

b=5ft

c=6ft

h=8ft

A= (a*h) + (b*h) + (c*h) + 1/2√-a⁴ + 2(a*b)² + 2(a*c) - b⁴ + 2(b*c) - c⁴

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3 years ago
If a student places in the 99th percentile on an exam, she performed better than 99% of all students who completed the exam. Her
anastassius [24]

Answer:

Cumulative frequency distribution

Step-by-step explanation:

Cumulative frequency distribution is a form of a frequency distribution that represents the sum of a class and all classes below it. Remember that frequency distribution is an overview of all distinct values (or classes of values) and their respective number of occurrences.

3 0
3 years ago
Please please do a step by step of how to solve the equation and the answer! please and thank you!
Yuliya22 [10]

Answer:

Value of x using quadratic formula (x = -4) and (x = -5)

Step-by-step explanation:

Given:

Equation

x² + 9x + 20 = 0

Find:

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Computation:

Quadratic formula = [-b±√b²-4ac] / 2a

Given equation;

x² + 9x + 20 = 0

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By putting value

[-9±√9²-4(1)(20)] / 2(1)

[-9±√81-80] / 2

[-9±√1] / 2

(-9 + 1) / 2 , (-9 - 1) / 2

-8 / 2 , 10 / 2

-4 , - 5

Value of x using quadratic formula (x = -4) and (x = -5)

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kenny6666 [7]

Answer:

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3 years ago
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Bianca drove at 60 miles per hour for 1 1/2 hours
aleksandrvk [35]

Answer:

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