Abistarz5421 Abistarz5421

21-11-2017
Mathematics

contestada

A rectangle has an area of 330 cm2 and a perimeter of 74 cm. what are its dimensions?

Respuesta :

30-11-2017

Perimeter of rectangle=2(l+b) 2(l+b)=74 (l+b)=37 l=37-b Area of rectangle=l*b 330=l*b 330=(37-b)b 330=37b-b^2 b^2-37b+300=0 By solving we get b=12cm and b=25 is neglected as b<l l=25cm and b=12cm

Answer Link

Otras preguntas

Brainstorm how you could run a pcr reaction if you did not have access to a thermal cycler.

hey if somebody would answer this or tell me how i would appreciate it

A trade surplus is generally known as a question 18 options: positive balance of trade. negative balance of trade. positive balance of payments. negative balanc

Which of the following is a characteristic of science? It asks questions about the natural world. It asks questions that cannot be tested. It is done by only on

What did Maslow mean when he said that people have a drive toward self-actualization?

Erika plays basketball and started a tournament with 15 three-point shots on the season. The graph relates her total season three-pointers with the number of ga

−3x^ 4−7x+17=0 2 3 4 5 How many complex roots does the polynomial equation have? (Show work if possible)

3. Which of the following is an element of the family cycle? a. Cohabitation b. Childbirth c. Divorce d. Adolescence

Complete method printpopcorntime(), with int parameter bagounces, and void return type. if bagounces is less than 3, print "too small". if greater than 10, prin

Compared to the sun, a star whose spectrum peaks in the infrared is: