The actual height of the Gateway Arch in St. Louis is 630 feet. A scale model of the arch is 9 inches tall. Which statement(s) a

Question

2 years ago

13

The actual height of the Gateway Arch in St. Louis is 630 feet. A scale model of the arch is 9 inches tall. Which statement(s) a

re true?
A. The scale of the model is 1 in.:70 ft.
B. The scale of the model is 1 in.:90 ft.
C. The scale factor is 1:630.
D. The scale factor is 1:840.

Mathematics

2 answers:

Alisiya [41] · Answer 1 · 2022-03-04T01:49:41+03:00

Alisiya [41]2 years ago

7 0

D the scale factor is 1:840 !!

Semmy [17] · Answer 2 · 2022-03-03T23:56:09+03:00

Semmy [17]2 years ago

6 0

Answer:

D. The scale factor is 1:840

Step-by-step explanation:

Make 630 ft into inches, so 7560

Then make it 9/7560, which simplifies to 1/840