18 students are 1/10 of the number of seventh graders 
First choice.
First choice.
2. An Evergreen Eagle flies about 13 meters in one second. How many kilometers could it fly in 20 minutes? *
1 answer:
Answer:
Evergreen Eagle can will fly 1.56 km in 20 minutes.
Step-by-step explanation:
Speed of Evergreen Eagle =
=
= 13 meters per second
With this speed Eagle can fly the distance in 20 minutes Or 120 seconds
= Speed × Time
= 13 × 120
= 1560 meters
Since, 1000 meters = 1 Km
1 meter = km
Therefore, 1560 meters =
= 1.56 km
Therefore, Evergreen Eagle can will fly 1.56 km in 20 minutes.
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<u>Given</u>:
Given that the triangles ABD and CAD are similar.
The length of AB is 12.
The length of BD is x.
The length of AC is 27.
We need to determine the value of x.
<u>Value of x:</u>
Let us use the leg rule to determine the value of x.
Thus, we have;
Substituting the values, we get;
Cross multiplying, we get;
Dividing both sides by 27, we have;
Thus, the value of x is
Hence, Option D is the correct answer.