paigejosie6473

17.07.2019 • 

Mathematics

The distance he rides is, 44 1/2 miles long, he rides a portion of the distance at a slow speed both to warm up and to cool down, ryan rides 4/5 of the distance at a fast speed for training, of the slow-speed portion, 1/3 is for the warm-up. which estimate is closest to the distance, in miles, ryan rides to cool down? a. 3 b. 6 c. 9 d. 12

Ответ:

kingjaheem4109

31.01.2020

Mathematics

---

B. 1,425 square centimeters

Step-by-step explanation:

Area of the square pyramid = b² + 2bs

Where,

b = length of square base = 15 cm

s = slant height of each face = 40 cm

Surface area of the pyramid = 15² + 2(15)(40)

= 225 + 1,200

Surface area = 1,425 cm²

---

0,0(0 оценок)