MATHEMATICS HIGH SCHOOL

The annual interest rate of marcellas savings account is 7.2% and simple interest is calculated semianually,. What is the periodic interest rate of her account

Answers

Answer 1

Answer:

Answer:

3.6%

Step-by-step explanation:

(Apex) good luck :)

Answer 2

Answer: Is that all the information provided or is there more information so that i can help you answer the question

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Evaluate j/4 when j=12

Answers

Answer:

Step-by-step explanation:

$(j)/(4) = (12)/(4) = 3$

4*3=12

3*4=12

12/4=3

12/3=4

Hope this helps ;) ❤❤❤

Answer:

We need to evaluate $(j)/(4)$ for j = 12.

First, we need to replace j by 12 on $(j)/(4)$ , so we get $(12)/(4)$ and now, we only need to divide:

$(12)/(4)=3$

So the result is 3

How far does a bus travel in 2.5 hours at 65 mph?

Answers

Speed = distance / time ⇒ distance = speed × time

distance = 65 mi / h * 2.5 h = 162.5 miles

Answer:

Distance traveled = 162.5 miles

Step-by-step explanation:

a bus travel in 2.5 hours at 65 mph

The time taken to travel is 2.5 hours

Speed of the bus is 65mph

To find the distance we use formula

Distance = speed * time

speed = 65

time = 2.5

Distance = 65* 2.5 = 162.5 miles

Distance traveled = 162.5 miles

A playground is (4x + 4) feet wide and 6x feet long. Find the area of the playground.

Answers

Area of a rectangle= length*width

So:

Area of the playground= (6x)(4x+4)

Use distributive property.

Area of the playground= (6x*4x)+(6x*4)

=24x^2+24x

Answer: 24x^2+24x

Determine the type and number of solutions of 4x^2-5x+1=0.A. Two real solutions
B. One real solution
C. Two imaginary solutions

Answers

4x² - 5x + 1 = 0
a = 4; b = - 5, c = 1
Δ = b² - 4.a.c
Δ = (-5)² - 4.4.1
Δ = 25 - 16
Δ = 9

x = - b ± √Δ / 2.a
$x = (-5\± √(9) )/(2*4)$
$x = (-5\±3)/(8)$
$x' = (-5-3)/(8) = (-8)/(8) = -1$
$x' = (-5+3)/(8) = (-2)/(8) (/2) = (-1)/(4)$

A. Two real solutions (x' = -1 and x'' = -1/4)

Toni can carry up to 18 lb in her backpack. Her lunch weighs 1 lb, her gym clothes weigh 2 lb, and her books (b) weigh 3 lb each. How many books can she carry in her backpack?

Answers

Toni can carry five books in her backpack. You must start by subtracting the weight of the other required items. Toni's lunch which is one pound and gym clothes which are two pounds. This can be calculated by 18-1-2=15. Toni has 15 pounds left to carry books. She should divide this by the weight of each book, which is three pounds. 15/3=5. Therefore, Toni can carry five books.

A study was produced which involved 800 randomly selected individuals. Each participant was asked to identify whether they were currently employed or not. 583 responded they were employed while 148 responded that they were not employed. Identify the problem with this study.loaded questions

nonresponse

correlation and causality

self interest

Answers

Given:
800 randomly selected individuals
583 responded they were employed
148 responded they were not employed

583 + 148 = 731
800 - 731 = 69 missing response.

I think that the problem with this study is correlation and causality.

The correlation between two variables does not mean that it is the cause of the other variable. There are still a lot of factors to consider.

When one says he or she is not employed, it may mean that said individual is either a student or business owner.

Answer:

non-response

Step-by-step explanation:

not 100% sure

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Determine whether the following probability experiment represents a binomial experiment and explain the reason for your answer. Three cards are selected from a standard 52-card deck without replacement. The number of acesaces selected is recorded. Does the probability experiment represent a binomial experiment?

X+4>-15 please solve thank you

Which of the following can be represented by the inequality below? 69h + 126 > 540 A. Yvonne is driving more than 540 miles on a trip. She has already driven 126 miles and drives 69 miles each hour. B. Yvonne is driving less than 540 miles on a trip. She has already driven 126 miles and drives 69 miles each hour. C. Yvonne is driving less than 126 miles on a trip. She has already driven 69 miles and drives 540 miles each hour. D. Yvonne is driving more than 540 miles on a trip. She has already driven 69 miles and drives 126 miles each hour.