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Olenka [21]
3 years ago
13

PLEASE HELP WITH THESE LIMITS ASAP!

Mathematics
1 answer:
marusya05 [52]3 years ago
7 0

Answer:

  • 4
  • -4

Step-by-step explanation:

When you follow the curve from the left toward x=2, you wind up at the open circle at (2, 4). The limit from that direction is 4.

When you follow the curve from the right toward x=2, you wind up at the open circle at (2, -4). The limit from that direction is -4.

\lim\limits_{x \to 2^-}{f(x)} =4\\\\\lim\limits_{x \to 2^+}{f(x)} =-4

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Solve the equation: 5/6 = 1/3 + D
Sauron [17]
Answer: \frac{1}{2} 
 
Explanation:
\frac{5}{6} =  \frac{1}{3}  + D 
\frac{5}{6}  -  \frac{1}{3} = \frac{1}{3}  -  \frac{1}{3} + D 
\frac{5}{6} -  \frac{1}{3} = D 
\frac{5}{6} - 2(\frac{1}{3}) = D
\frac{5}{6} - \frac{2}{6} = D 
\frac{3}{6} = D = \frac{1}{2}
8 0
4 years ago
1 USD is 1.37 CAD 86 CAR is how many USD
laiz [17]

Answer:

67.64

Step-by-step explanation:

6 0
2 years ago
ernie walks 1/6 mile in 1/12 hour when he walks along the river trail. How many miles per hour does Ernie walk when he hikes on
ohaa [14]

Answer:

2 miles

Step-by-step explanation:

distance=rate*time

d=rt

1/6=r*(1/12)

multiply both sides by 12

12(1/6)=r*(1/12)12

2=r*1

2=r

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5 0
3 years ago
Write as a single term: cos(2x) cos(x) + sin(2x) sin(x)
GREYUIT [131]

Answer: cos(x)

Step-by-step explanation:

We have  

sin ( x + y ) = sin(x)*cos(y) + cos(x)*sin(y)   (1)   and

cos ( x + y ) = cos(x)*cos(y) - sin(x)*sin(y)  (2)

From eq. (1)

if x = y

sin ( x + x ) = sin(x)*cos(x) + cos(x)*sin(x) ⇒ sin(2x) = 2sin(x)cos(x)

From eq. 2

If x = y

cos ( x + x ) = cos(x)*cos(x) - sin(x)*sin(x)  ⇒ cos²(x) - sin²(x)

cos (2x) = cos²(x) - sin²(x)

Hence:The expression:

cos(2x) cos(x) + sin(2x) sin(x)  (3)

Subtition of sin(2x) and cos(2x)  in eq. 3

[cos²(x)-sin²(x)]*cos(x) + [(2sen(x)cos(x)]*sin(x)

and operating

cos³(x) - sin²(x)cos(x) + 2sin²(x)cos(x) = cos³(x) + sin²(x)cos(x)

cos (x) [ cos²(x) + sin²(x) ]  = cos(x)

since cos²(x) + sin²(x) = 1

8 0
3 years ago
Simplify.<br> 2a4b5c(4a4bc3)
Lady bird [3.3K]

Answer:

1920 a^2 b^2 c^2

Step-by-step explanation:

4 0
3 years ago
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