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2 years ago

At the basketball game, Leo scored points in 30% of his attempts. Which of the following statements is true?

Mathematics

1 answer:

netineya [11]2 years ago

4 0

Answer:

C. Leo scored points in 3/10

Step-by-step explanation:

30% is 30/100

So also 3/10

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The room numbers of two adjacent classrooms are two consecutive even numbers if their sum is 806 find the classroom numbers

Igoryamba

Answer:

Step-by-step explanation:

sorry if its wrong i dont know the answer choices

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2 years ago

Use the following frequency distribution (of SAMPLE DATA) in answering the questions: class 0-9 f=10; class 10-19 f=20; class 20

lutik1710 [3]

Answer:

1. Five classes in the frequency distribution

2.The mid point of the third class is 24.5

3.The total number of frequency is 100

4.The relative frequency of the third class is (20/100=0.2)

5. We use n-1 because we are dealing with a sample data

6. The mean is 24.5

7. The value of the standard deviation is 11

Step-by-step explanation:

See attached picture for the solutions

4 0

2 years ago

Four friend started a dog walking business in the first month they made $140 and split the money equally among themselves they e

kati45 [8]

40 dollars they each spent 40 dollars from 70 dollars

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2 years ago

Simplify the expression (5 3i) (4-4i) a. 8i b. 9-i c. 9 i d. 9-7i

poizon [28]

The expression will be d. 9-7i

8 0

2 years ago

The population of Brazil was 162,300,000 in 1995. It was growing at a rate of about 2% per decade. Predict the population, to th

stiv31 [10]

Answer:

The population is 168,900,000 to the nearest hundred thousand

Step-by-step explanation:

In this question, we are tasked with calculating the population of Brazil given its population in 1995 and her growth rate per decade.

Mathematically, we use an exponential function to calculate this population.

This can be written as P = I(1 + r)^n

where P is the population in 2015 which we are looking for,

I is the initial population which is 162,300,000

r is the rate of increase per decade given as 2% = 2/100 = 0.02,

n is the number of times between the years we are expecting this growth. The difference between the years 2015 and 1995 is 20 years which signifies 2 decades(1 decade is 10 years). Thus our n is 2

We plug these values into the equation above;

P = 162,300,000(1+0.02)^2

P = 162,300,000(1.02)^2

P = 168,856,920 which is 168,900,000 to the nearest hundred thousand

7 0

2 years ago