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3 years ago

130 lbs = ft? Please help someone

Mathematics

2 answers:

WITCHER [35]3 years ago

7 0

It’s 78 because my professor bad bleep Addison Rae said it was and I took the test.

sveta [45]3 years ago

6 0

Lbs cant equal feat??

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Two ships set sail in different directions from the same place. Tyler's ship sail 35 miles while Noah's ship sails for 42 miles.

earnstyle [38]

Answer:

The angle between their paths when they started is 93°.

Step-by-step explanation:

The Law of Cosines

It relates the length of the sides of a triangle with one of its internal angles.

Let a,b, and c be the length of the sides of a given triangle, and x the included angle between sides a and b, then the following relation applies:

$c^2=a^2+b^2-2ab\cos x$

When the two ships travel in different directions from the same point in the plane, they form an angle we called x in the image below.

Tyler's ship sails a=35 miles and Noah's ship sails for b=42 miles. At some time they are c=56 miles apart.

Since we know the values of all three side lengths, we solve the equation for x:

$\displaystyle \cos x=\frac{a^2+b^2-c^2}{2ab}$

Substituting values:

$\displaystyle \cos x=\frac{35^2+42^2-56^2}{2(35)(42)}$

Calculating:

$\displaystyle \cos x=-\frac{147}{2940}=-\frac{1}{20}$

Computing the inverse cosine:

$x = \arccos(-0.05)$

$x \approx 93^\circ$

The angle between their paths when they started is 93°.

6 0

3 years ago

The cost split among 4 people

vlada-n [284]

Answer:1 dollar each

Step-by-step explanation:

3 0

4 years ago

<img src="https://tex.z-dn.net/?f=-2%28bx%20-%205%29%20%3D%2016" id="TexFormula1" title="-2(bx - 5) = 16" alt="-2(bx - 5) = 16"

Vinvika [58]

Answer:

bx=-3

Step-by-step explanation:

-2(bx-5)=16

Use distributive property.

-2bx+10=16

Now, subtract 10 from both sides.

-2bx=6

Divide -2 from both sides.

bx=-3

Hope this helps!

If not, I am sorry.

8 0

2 years ago

Read 2 more answers

the angle of elevation of the top of a tower from a certain point is 30 . if the observer moves 20m towords the tower, the angle

castortr0y [4]

The height of the tower. is 27 m

Now, we write h/x = tan 45
i.e h/x = 1
i.e h = x ...........................1.

Now, h/(x+20) = tan 30
i.e (x+20)/h = 1/tan 30

or (x+20) = 1.73h
or from equation 1 ,
h+ 20 = 1.73 h
20 = 1.73h - h
h = 20/0.73
or h = 27.39 = 27 m

3 0

3 years ago

Write the ratio as a fraction in simplest form.

hjlf

Answer:

4/3

d/c

Step-by-step explanation:

You divide 16 by 4 and you get 4, so 4 dogs.

Then you divide 12 by 4 and you get 3, so 3 cats.

Lastly you were comparing dogs to cats so you have to put the about of days first then the amount of cats last.

The final answer is 4/3.

3 0

3 years ago