danny20203 danny20203

23-06-2019
Mathematics

contestada

the length of a rectangle is 9 cm more than the width the perimeter is 270 cm find the length and the width

Respuesta :

JiminBang JiminBang

23-06-2019

Answer:

length=72

width=63

Step-by-step explanation:

Let us start by supposing the following:

w=w

l=9+w

2l+2w=p(perimeter)

2(9+w)+2*w=270

2w+2w+18=270

4w+18=270

4w=252

w=63

l=72

We used the perimeter formula, 2l+2w=P(perimeter)

Answer Link

Otras preguntas

6x+15y=-45 6x+5y=-35

write 1700 g to nearest kg

factor the sum of terms as a product of the GCF and a sum: 60+48 what is the ansawer?

A theatre sells 467 tickets Some other people then buy another 118 tickets If the theatre holds 1060 people how many places are left un-sold?

A compound with a formula mass of 42.08 u is found to be 85.64% carbon and 14.36% hydrogen by mass. Find its molecular formula.

In what ways did pharaohs authority differ from that held by the president of united states

what kind of person was prince jonathan

Suppose you earn $6 per hour at your part-time job.What will your new hourly rate be after a 2.5% raise? Explain.

4. Which one of the following choices is the closest in size to one serving of meat? A. A coffee mug B. An open palm C. A baseball D. A deck of cards

the larger root of the equation (x+4)(x+3)=0 is and why???