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Goshia [24]
3 years ago
8

An equation using three variables is graphed in coordinate space

Mathematics
1 answer:
balandron [24]3 years ago
6 0
This is not possible. False.



(BLASPHEMY I SAY!)
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Boiling an egg physcal or chemcal
SpyIntel [72]

Answer:

it's a chemical change.

Step-by-step explanation:

a raw egg is converted into a hard boiled one by chemical changes happening inside it. Its also an irreversible change

3 0
1 year ago
Consider triangle ABC with the measure of an angle B = 60゚ and sidelinks a equal 4 &c equal 5 what option listed is an expre
ivann1987 [24]

The law of cosine helps us to know the third side of a triangle when two sides of the triangle are already known the angle opposite to the third side is given. The correct option is B.

<h3>What is the Law of Cosine?</h3>

The law of cosine helps us to know the third side of a triangle when two sides of the triangle are already known the angle opposite to the third side is given. It is given by the formula,

c =\sqrt{a^2 + b^2 -2ab\cdot Cos\theta}

where

c is the third side of the triangle

a and b are the other two sides of the triangle,

and θ is the angle opposite to the third side, therefore, opposite to side c.

The length of the sidelink b using the cosine rule can be written as,

b = \sqrt{a^2+c^2-2ac\cos(\angle B)}\\\\b = \sqrt{4^2+5^2 - 2(4)(5)(\cos 60^o)}\\\\b = \sqrt{16+25-20}

Hence, the correct option is B.

The complete question is:

Consider ABC with the measure of angle B equal to 60 degrees, and side lengths a=4 and c=5. Which option lists an expression that is equivalent to the length of side b?

Options are given in the image below.

Learn more about the Law of Cosine:

brainly.com/question/17289163

#SPJ1

8 0
1 year ago
Whats the vertex of a parabola?<br> Round to the nearest hundredth.
olya-2409 [2.1K]

Answer:

To get the x-intercept we need the equation of the parabola;

the vertex form of the equation is given by:

y=a(x-h)^2+k

where:

(2,13) is the vertex:

Therefore;

y=a(x-2)^2+13

when x=0, y=5

Therefore the value of a will be:

5=a(0-2)^2+13

5-13=4a

4a=-8

a=-2

therefore the equation of the parabola will be:

y=-2(x-2)^2+13

y=-2x^2+8x+5

the x-intercept will be:

x=2-sqrt(7.5)

or

x=2+sqrt(7.5)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How can you find unknown lengths or widths in an easy way?<br> 30 points!
Nadusha1986 [10]
Since you are in middle school, I will assume simple shapes such as rectangles and squares

area=legnth times width
therefor
width=area/legnth and
legnth=area/width
7 0
2 years ago
Tonisha has a lemonade stand. She has 34$ in expenses and wants to make at least 80$per day.
lukranit [14]

Answer:

is there anything else to the question?

Step-by-step explanation:

8 0
3 years ago
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