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rjkz [21]
3 years ago
11

What is the approximate circumstance of the swimming pool? Use 3.14 as an estimate for pi

Mathematics
1 answer:
Dafna11 [192]3 years ago
6 0

Answer:

Answer B 11m

Step-by-step explanation:

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Write the equation of the line that passes through the points (5,0) and (-6, -1).
jonny [76]

Answer:

The equation in point-slope form is: \mathbf{y=\frac{1}{11}x-\frac{5}{11} }

Step-by-step explanation:

We need to find equation of line in point slope form that passes through points (5,0) and (-6, -1).

The general equation of point slope form is: \mathbf{y-y_1=m(x-x_1)}

where m is the slope of line.

We need to know Slope m

Finding Slope m

Finding Slope m using formula: Slope=\frac{y_2-y_1}{x_2-x_1}

We have x_1=5, y_1=0, x_2=-6 \ and \ y_2=-1

Putting values and finding slope

Slope=\frac{-1-0}{-6-(5)}\\Slope=\frac{-1}{-6-5}\\Slope=\frac{-1}{-11}\\Slope=\frac{1}{11}

So , slope m is: \mathbf{m=\frac{1}{11}}

Using point (5,0) and slope m =1/22 the equation of point-slope form is:

y-y_1=m(x-x_1)\\y-0=\frac{1}{11} (x-5)\\y=\frac{1}{11}x-\frac{5}{11}

So, the equation in point-slope form is: \mathbf{y=\frac{1}{11}x-\frac{5}{11} }

3 0
3 years ago
Which of these pairs of points defines a line with a slope of 0? HELP ASAP
svet-max [94.6K]
A (1,4) and (-4,4) is the slope of 0 hopes this helps
4 0
3 years ago
What is the slope of the graph of y= 18x + 6
NeX [460]

Answer:

18

Step-by-step explanation:

y=mx + b

m is the slope.

Therefore, 18 should be the slope

7 0
3 years ago
Regular polygons can be either concave of convex, as long as all angles are congruent and all sides are congruent.
nataly862011 [7]
When a polygon is both equilateral and equiangular it is called a regular polygon. So angles have to be equal and sides have to be equal...like a square..a square is a regular polygon. So ur answer is TRUE.
7 0
3 years ago
Does anyone know how to do this ??? <br> -view attachment
cricket20 [7]

As soon as I read this, the words "law of cosines" popped
into my head.  I don't have a good intuitive feeling for the
law of cosines, but I went and looked it up (you probably
could have done that), and I found that it's exactly what
you need for this problem.

The "law of cosines" relates the lengths of the sides of any
triangle to the cosine of one of its angles ... just what we need,
since we know all the sides, and we want to find one of the angles.

To find angle-B, the law of cosines says

       b² = a² + c² - 2 a c cosine(B)

B  =  angle-B
b  =  the side opposite angle-B = 1.4
a, c = the other 2 sides = 1 and 1.9

                  (1.4)² = (1)² + (1.9)² - (2 x 1 x 1.9) cos(B)

                 1.96  =  (1) + (3.61)  -  (3.8) cos(B)

Add  3.8 cos(B)  from each side:

                 1.96 + 3.8 cos(B) = 4.61

Subtract  1.96  from each side:

                             3.8 cos(B) =  2.65

Divide each side by  3.8 :

                                  cos(B)  =  0.69737  (rounded)

Whipping out the
trusty calculator:
                                 B  = the angle whose cosine is 0.69737

                                      =  45.784° .

Now, for the first time, I'll take a deep breath, then hold it
while I look back at the question and see whether this is
anywhere near one of the choices ...

By gosh !  Choice 'B' is  45.8° !                    yay !
I'll bet that's it !

8 0
4 years ago
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