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3 years ago

How far would Maria have to travel to get to Valentina's house?

Mathematics

2 answers:

Svetradugi [14.3K]3 years ago

7 0

Need more information

emmasim [6.3K]3 years ago

4 0

Answer:depends on the distance but we need info

Step-by-step explanation:

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Question 16 (Essay Worth 7 points)<br><br> Verify the identity.<br><br> tan (x + π/2) = -cot x

Rus_ich [418]

Step-by-step explanation:

We know that tan=sin/cos, so tan(x+π/2)=

$\frac{sin(x+pi/2)}{cos(x+pi/2)}$

Then, we know that sin(u+v)=sin(u)cos(v)+cos(u)sin(v),

so our equation is then

$\frac{sin(x)cos(\pi/2)+cos(x)sin(\pi/2)}{cos(x+\pi/2)} = \frac{cos(x)}{cos(x+\pi/2) }$

Then, cos(u+v)=cos(u)cos(v)-sin(u)sin(v), so our expression is then

$\frac{cos(x)}{cos(x)cos(\pi/2)-sin(x)sin(\pi/2)} = \frac{cos(x)}{-sin(x)} = -cot(x)$

6 0

2 years ago

HELP HELP PLEASE PLEASE

Dimas [21]

The answer would be 2010 I think! im SO sorry if its wrong! :3

8 0

2 years ago

Read 2 more answers

Need an answer fast!!!

trapecia [35]

Answer:

The length of the line segment is of 5.9 units.

Step-by-step explanation:

Distance between two points:

Suppose that we have two points, $(x_1,y_1)$ and $(x_2,y_2)$ . The distance between these two points is given by:

$D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

How long is the line segment?

The distance between points P and Q. So

P(1,3), and Q(4,8).

$D = \sqrt{(4-1)^2+(8-3)^2} = \sqrt{3^2 + 5^2} = \sqrt{34} = 5.9$

The length of the line segment is of 5.9 units.

4 0

2 years ago

Oliva has signed up for snowboarding lessons. Her parents set a limit of 400$ for costs for the season. It costs 250$ to get a m

IrinaK [193]

Answer:

Step-by-step explanation:

(400-250) divided by 9.5

6 0

2 years ago

Read 2 more answers

Solve the system of Equations below using the substitution method

Veseljchak [2.6K]

Answer:

Step-by-step explanation:

Gffggfhhgghggjjbgg

8 0

2 years ago