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
<u>Part 1)</u> "Four times the difference of a number and is "
Let
x--------> the number
we know that
the expressions is equal to
therefore
<u>the answer part 1) is</u>
<u>Part 2)</u> "One third of a number is less than the number itself"
Let
x--------> the number
we know that
the expressions is equal to
therefore
<u>the answer part 2) is</u>
<u>Part 3)</u> "Ten increased by the quotient of a number and is "
Let
x---------> the number
we know that
the expressions is equal to
therefore
<u>the answer Part 3) is</u>
<u>Part 4)</u> "One less than the product of a number and is more than the number itself"
Let
x---------> the number
we know that
the expressions is equal to
therefore
<u>the answer Part 4) is</u>
Answer:
Step-by-step explanation:
A = 9
chord length c = 18
height h = 4
r = (c²+4h²)/(8h) = 12.125
Answer:
20 floor
Step-by-step explanation:
16 - 11 = 5 5 + 15 = 20
The elevator is on the 20th floor
Answer:
D. 1 square/ 4 meters = 12 square/48 meters
Step-by-step explanation:
You scale down by simplifying the fraction of 12/48. You would divide both 12 and 48 by 12, since it is the highest divisor. And once you divide the two you get 1/4.