3 years ago

Can someone please help me!

Mathematics

2 answers:

Contact [7]3 years ago

8 0

With what? I don't see a question

BARSIC [14]3 years ago

3 0

There's no question

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Hoochie [10]

Answer:

Yeah it is correct

Step-by-step explanation:

you have already given your answer in the question!

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2 years ago

Are the triangles similar? If yes, write a similarity statement and explain how you know how they are similar. If not, explain.

Triss [41]

Answer:

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Step-by-step explanation:

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3 years ago

What should be true about -5 and 5? Why?

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3 years ago

Three forces act on a hook. Determine the magnitude of the resultant of the force.

Novay_Z [31]

Use Hooke's law... (just kidding)

Break down each force vector into horizontal and vertical components.

$\vec F_1=(1000\,\mathrm N)(\cos30^\circ\,\vec x+\sin30^\circ\,\vec y)\approx(866.025\,\mathrm N)\,\vec x+(500\,\mathrm N)\,\vec y$

$\vec F_2=(1500\,\mathrm N)(\cos160^\circ\,\vec x+\sin160^\circ\,\vec y)\approx(-1409.54\,\mathrm N)\,\vec x+(513.03\,\mathrm N)\,\vec y$

$\vec F_3=(750\,\mathrm N)(\cos195^\circ\,\vec x+\sin195^\circ\,\vec y)\approx(-724.444\,\mathrm N)\,\vec x+(-194.114\,\mathrm N)\,\vec y$

The resultant force is the sum of these vectors,

$\vec F=\displaystyle\sum_{i=1}^3\vec F_i\approx(-1267.96\,\mathrm N)\,\vec x+(818.916\,\mathrm N)\,\vec y$

and has magnitude

$|\vec F|\approx\sqrt{(-1267.96\,\mathrm N)^2+(818.916\,\mathrm N)^2}\approx1509.42\,\mathrm N$

The closest answer is D.

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2 years ago

2x<15<br> solve for x<br> Simplify equation

aniked [119]

Answer:

x<7.5

Step-by-step explanation:

2x/2<15/2
x<15/2

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2 years ago