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Vaselesa [24]
2 years ago
10

Cos() = O A. V B. 173 2 OC. OD. -3

Mathematics
1 answer:
irga5000 [103]2 years ago
7 0

Answer:

-√3/2

Step-by-step explanation:

Given the expression:

Cos(7π/6)

Conver to degrees

=  Cos(7(180)/6)

= cos 210

= -√3/2

Hence the value of cos(7π/6) is -√3/2

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24 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Nostrana [21]
Red:green

5:3
5+3=8
8 units
4qt=8 units
divide by 8
0.5qt=1unit
5 unit=red
5*0.5=2.5qt, red=2.5qt
3unit=lime
0.5*3=1.5qt
1.5qt, 2/3 of that is yellow, 1/3 is blue, 1.5 times 2/3=1, 1.5 times 1/3=0.5
result:
2.5qt red
1qt yellow
0.5qt blue

6 0
3 years ago
I'm so lost I need help​
mario62 [17]
B is the correct answer choice,you didn’t hear it from me
6 0
3 years ago
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Determine whether or not F is a conservative vector field. If it is, find a function f such that F = ∇f. (If the vector field is
kodGreya [7K]

We're looking for a scalar function f(x,y) such that \nabla f(x,y)=\vec F(x,y). That is,

\dfrac{\partial f}{\partial x}=2x-6y

\dfrac{\partial f}{\partial y}=-6x+6y-7

Integrate the first equation with respect to x:

f(x,y)=x^2-6xy+g(y)

Differentiate with respect to y:

-6x+6y-7=-6x+\dfrac{\mathrm dg}{\mathrm dy}\implies\dfrac{\mathrm dg}{\mathrm dy}=6y-7

Integrate with respect to y:

g(y)=3y^2-7y+C

So \vec F is indeed conservative with the scalar potential function

f(x,y)=x^2-6xy+3y^2-7y+C

where C is an arbitrary constant.

6 0
3 years ago
Solve the volume formula V = lwh for w
Nina [5.8K]

Answer:

v/lh = w

Step-by-step explanation:

Divide Both Sides by the length and height to isolate width.

7 0
2 years ago
Figure 1 is dilated to get Figure 2.
liq [111]
I'm pretty sure it's 5 over 10! Hope I helped =)
8 0
3 years ago
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