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Luden [163]
3 years ago
12

Solve for k. 11 k 11 8 4 k= ?

Mathematics
2 answers:
melomori [17]3 years ago
7 0

Answer:

Step-by-step explanation:

11+11=22x8=176-4=172

k=172

olga nikolaevna [1]3 years ago
4 0

Answer:

lol i have same

Step-by-step explanation:

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5u + 2 + 4<br> need helpp
Hatshy [7]

Answer:

5u + 6

Step-by-step explanation:

because 5u does not have any like terms, it stays on its own. the 2 and 4 can be added together because they are the same as eachother, leaving you with 5u + 6:)

hope this helps!

5 0
2 years ago
Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x = e−5t
Elan Coil [88]

Answer:

x = 1 - 5t

y = t

z = 1 - 5t

Step-by-step explanation:

For the equation of a line, we need a point and a direction vector. We are given a point (1, 0, 1).

Since the line is suppose to be a tangent to the given curve at the point (1, 0, 1), we need to find a tangent vector for which the curve passes through that point.

We have x = e^(-5t)cos5t

at t = 1, x = e^(-5)cos5

at t = 0, x = 1

y = e^(-5t)sin5t

at t = 1, y = e^(-5)sin5

at t = 0, y = 0

z = e^(-5t)

at t = 1, z = e^(-5)

at t = 0, z = 1

Clearly, the only parameter value for which the curve passes through the point (1, 0, 1) is t = 0.

In vector notation, the curve

r(t) = xi + yj + zk

= e^(-5t)cos5t i + e^(-5t)sin5t j + e^(-5t) k

r'(t) = [-5e^(-5t)cos5t - e^(-5t)sin5t] i +[e^(-5t)cos5t - 5e^(-5t)sin5t] j - 5e^(-5t) k

r'(0) = -5i + j - 5k

is a vector tangent at the point.

We get the parametric equation from this.

x = x(0) + tx'(0)

= 1 - 5t

y = y(0) + ty'(0)

= t

z = z(0) + tz'(0)

= 1 - 5t

8 0
3 years ago
Rachel runs 6 miles in 45 minutes. At the same rate how many minutes would she take to run 4 miles?
exis [7]
Rachel would take 30 minutes to run in 4miles
7 0
3 years ago
Read 2 more answers
Three friends share the cost of renting a game system. Each person rents one game for 8.50. If each person pays 13.25, what is t
laiz [17]
13.25x3-(8.50x3)=x x is the cost of the system

7 0
3 years ago
Please help me!! I don’t get this!
atroni [7]

Answer:

2. d) (x-1)²+(y+5)²=128

3.c) (x-3)²+(y+2)²=841

Step-by-step explanation:

5 0
3 years ago
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