Refer to the figure with U the midpoint of side 
and X the midpoint of side 
.
If VW = x , UX =2x+3, AND 41 TY = 4x+1, find x.
Answer: 5
Mathematics
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Differentiate the function.r(t) = (cot t)i + (csc t)j
A. r'(t) = (-sec2 t)i - (tan t sec t)j B. r'(t) = (-csc2 t)i - (cot t csc t)j C. r'(t) = (sec2 t)i + (tan t sec t)j D. r'(t) = (csc2 t)i + (cot t csc t)j
Mathematics
Simplify the expression. 
A.
| sec x |
B. csc x
C. sin 2 x
D. tan x
Mathematics
Find the indicated roots. Write the answer in a + bi form.Square roots of 4 + 4
i
A. - 
- 
i, 
- 
i
B. 
+ 
i, - 
- 
i
C. 
+ 
i, - 
- 
i
D. 
- 
i, - 
+ 
i
Mathematics
Write the expression in standard form. Do not use a calculator.(7i)(1 - i)
A. 7i - 7 B. 7 - 7i C. 7i + 7 D. 7 + 7i
Mathematics