Given:
In trapezoid 
is the mid-segment of 
.
To find:
The length of 
.
Solution:
We know that the length of the mid-segment of a trapezoids is half of the sum of lengths of two parallel sides of the trapezoid.
In trapezoid 
,
Isolate variable terms.
Now,
Therefore, the length of is 230.
Answer:
-20
Step-by-step explanation:
-8-12=-20
Answer:
c
Step-by-step explanation:
(12+7x)(12-7x)
Because the square root of 144 is 12 and for 49 is 7
Answer:
225 words
Step-by-step explanation:
In order to find the answer to this question we have to find how many words she writes in 1 minute. To do this you need to divide 90 words by 4 minutes:
(90)/4 = 22.5 words/minute
Now that the words per minute is found, we can multiply it by the 10 minutes to find how many words she can write in 10 minutes:
(22.5)(10) = 225
Therefore, Sara can type about 225 words in 10 minutes.
<em>I hope this helps!!</em>
<em>- Kay :)</em>
