Evaluate this expression for the given value of the variable 4 (d+7);d=2
Exact Form:
d
=
−
7
−
√
47
2
,
−
7
+
√
47
2
d
=

7

47
2
,

7
+
47
2
Decimal Form:
d
=
−
0.07217269
…
,
−
6.92782730
…
Answer: 20
Stepbystep explanation:
d=2
Plug in to get 4(2+7)
Do what's in () 2+7=5
Then multiply 4(5)=20
Determine whether or not the complement of an angle can be obtuse
if its greater than 90 its obtuse
Eliminate the parameter. X= 6 cos t and y= 3 sin t
What is the solution to this equation?
6x  14х + 16 = 35 + 11
Answer: x=1
Stepbystep explanation: 8x=8
/8 /8
X=1