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3 years ago

question 10 is: a pen and a pencil cost RM2.40 and RM0.30 respectively. The price of an eraser is one third of the price of the

pen. Adam buys one of each item. Find the total amount of money Adam has to pay.

Mathematics

1 answer:

NeX [460]3 years ago

7 0

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Assume that two figures on a flat surface, A and B, are similar.

lawyer [7]

A. ratio of areas = 2^2 /5^2 = 4/25

B 14^2 : 1 = 196:1

C. ratio of perimeters would be sqrt81 = 9 times

5 0

3 years ago

Several students from boxerville middle stood in a circle, evenly spaced, to play a game. If the 6th student was directly across

myrzilka [38]

Answer:

There were 14 students in the circle

Step-by-step explanation:

* Lets explain how to solve the problem

- The students stood in a circle

∴ The line joining each two opposite students is the diameter

of the circle

- The 6th student was directly across from the 13th student

∴ The 6th student is opposite to the 13th student

- Lets count how many students between 6th student and

13th student

∵ 7th , 8th , 9th , 10th , 11th , 12th students between the 6th

student and 13th student

∴ There are 6 students between them

- Lets count how many students between 13th student and

6th student

∵ 14th , 1st , 2nd , 3rd , 4th , 5th students between the 13th

student and 6th student

∴ There are 6 students between them

∵ There are 6 students between 6th and 13th

∵ There are 6 students between 13th and 6th

∵ There are 2 students in 6th and 13th

∴ The number of the students = 6 + 6 + 2 = 14

∴ There were 14 students in the circle

8 0

3 years ago

Find the area and the circumference of a circle with radius 7 cm.

aniked [119]

Answer:

C=14pi cm

A=49pi cm^2

Step-by-step explanation:

1) Circumference of a circle is 2piR and R=7cm

C=2pi(7)

C=14pi cm

2) Area of a circle is piR^2 and R=7cm

A=pi (7)^2

A=49pi cm^2

3 0

2 years ago

A video club wants to reward its best members with a discount based on the member’s number of movie rentals and the number of ne

ivanzaharov [21]

Answer:

public class MovieRental

{

public static void main(String[] args)

{

Scanner in = new Scanner(System.in);

System.out.print("Enter the number of movie rentals: ");

int movieRentals = in.nextInt();

System.out.print("Enter the number of members referred to the video club: ");

int memberReferral = in.nextInt();

in.close();

double discountVal = Math.min(movieRentals + memberReferral, 75);

System.out.println("The discount is equal to: " + discountVal);

}

8 0

2 years ago

Which figure shows the correct dimensions of 2/5 scale drawing of the given figure?

kap26 [50]

Answer:

A=40

Step-by-step explanation:

If A=100 and we need 2/5 the scale then all we do is divide 100 by five and multiply it by two giving us 40

8 0

3 years ago