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3 years ago

Kylie has 14 polished stones. Her friend gives her 6 more stones. Write an expression to match the words

Mathematics

2 answers:

Alla [95]3 years ago

7 0

14+6 you might have to put the answer but in this case maybe not

Elis [28]3 years ago

3 0

An expression is like an equation, but without an equal sign.

Therefore, you could say...

14 stones + 6 stones

or just...

14 + 6

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The volume of a cone is 180 in3. find a function that models the height h of the cone in terms of its radius r.

12345 [234]

volume of a cone = (1/3)*pi*r^2*h
180 = pi(r^2)h
180/pi(r*2) = h

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3 years ago

Find all solutions in the interval [0, 2π) for 2 sin^2 x = sin x

Ede4ka [16]

Answer:

Step-by-step explanation:

2 sin²x=sin x

2 sin² x-sin x=0

sin x(2 sin x-1)=0

sin x=0

x=0,π

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2 sin x=1

sin x=1/2= sin π/6,sin (π-π/6)

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3 years ago

If angle 2 measures 155 degrees in the image below and what is the measurement of angle 1

Degger [83]

<h2>Answer:</h2>

<em>Angle 1 measures 25 degrees</em>

<h2>Explanation:</h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Here I'll assume the diagram shown below. In that figure, we know that:

$\angle 1=? \\ \\ \angle 2=155^{\circ}$

The figure shows that these two angles are supplementary, so they add up to 180 degrees. Therefore:

$\angle 1+\angle 2=180^{\circ} \\ \\ Substituting \ \angle 2=155^{\circ}: \\ \\ \angle 1+155^{\circ}=180^{\circ} \\ \\ \\ Isolating \ \angle 1: \\ \\ \angle 1=180^{\circ}-155^{\circ} \\ \\ \boxed{\angle 1=25^{\circ}}$

4 0

3 years ago

Please show work for questions 6 and 14

maxonik [38]

Actually I had learnt this but.....do u want a formula ?

6 0

3 years ago

I kinda got confused

grin007 [14]

It’s the first one.

I hope this helps :)

6 0

2 years ago