23-10-2017
Mathematics

contestada

I need help and the answer to #9

I need help and the answer to 9 class=

Respuesta :

musiclover10045 musiclover10045

23-10-2017

perimeter of rectangle = 20+20 +15+15 = 70 yards = 70*3 = 210 feet

210/5 = 42 seconds

Courtney walks it in 42 seconds

the diagonal = 15^s + 20^2 = 225+400=625

sqrt(625) = 25 yards

Natalie walks 20 +15 +25 = 60 yards

60*3 = 180 feet

180 /5 =36 seconds

42 - 36 = 6 seconds faster

Answer Link

Otras preguntas

_________ printers create output by striking an inked ribbon against paper using metal pins, making them useful for printing on pressure-sensitive forms.

A metal (M) forms an oxide with the formula MO. If the oxide contains 7.17 % O by mass, what is the identity of the metal?

barbiatures are among the most widely used

How did Cardinal Richelieu help consolidate Louis XIV’s royal power?

If 7 x 88 = 616, then A) 7 ÷ 616 = 88 B) 88 ÷ 616 = 7 C) 88 ÷ 7 = 616 D) 616 ÷ 88 = 7

An auditorium has 1,120 seats in 35 equal rows how many seats are in each row

Anyone know how to do this?

The oceans lower atmosphere and continents are parts of the

absolute value 2|4x-1|=6

Determine which choice(s) is/are correct? I. Stirring slows down (decreases) rate of dissolution. II. Grinding solids increases their surface area of contact.