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2 years ago

Convert 6 yards into meters. Round your answer to the nearest tenth.

Mathematics

1 answer:

Helga [31]2 years ago

6 0

Answer:

5.4864

Step-by-step explanation:

to the nearest tenth probably 0.5

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XVerify the identity. (7 points) cos 4u = cos22u - sin22u

Alexandra [31]

Answer:

cos 4u = co^s2 2u - sin^2 2u

Step-by-step explanation:

cos 4u = co^s2 2u - sin^2 2u

Let 4u = 2x

cos 2x = cos^2 x - sin^ 2 x

cos (x+x) = cos^2 x - sin^ 2 x

Using cos(x+y) = cos(x)cos(y) -sin(x)sin(y)

cos(x) cos(x)- sin(x) sin (x)= cos^2 x - sin^ 2 x

cos^2 (x) -sin^2 (x) =cos^2 x - sin^ 2 x

Since this is true

cos 2x = cos^2 x - sin^ 2 x

This is true

Substituting 4u back for 2x

cos 4u = co^s2 2u - sin^2 2u

This is true

5 0

2 years ago

Solve the system: x+4y=1 3x+5y=10

never [62]

Answer:

$x=6.25\\y=-1.25$

Step-by-step explanation:

$3x+5y=10\\x+3y=1\\\\$

Second equation times 3:

$3x+9y=3$

1st equation minus equation above:

$-4y=7\\y=-7/4$

Insert to equation:

$3x+\frac{-35}{4}=10\\12x-35=40\\12x=75\\x=75/12=6.25$

4 0

2 years ago

Which one????????????

VARVARA [1.3K]

Which what ? Put the question and will help you

6 0

2 years ago

What is the total price of a $40 item including 6.5% sales tax

OverLord2011 [107]

$39.935 is the answer I calculated, but it could very easily be wrong

3 0

3 years ago

In Exercises 1 and 2, identify the bisector of ST. Then find ST.

Lemur [1.5K]

Given:

A bisector is a line or point that divides a line in half. So point M is in the middle of the entire line ST.

The bisector would be the line MW

This means line MT is half of the enitre line ST so then the entire line is 19*2.

Answer:

ST = 38

Bisector is line MW

3 0

1 year ago