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mel-nik [20]
3 years ago
12

AD is a common internal tangent to circles B and C. Find the length of the radius of circle B. Round to the nearest hundredth.

Mathematics
2 answers:
ycow [4]3 years ago
8 0
ΔABE ~ ΔDCE
AB=AE*DC/DE=18*4/6=12
ikadub [295]3 years ago
3 0

As AD is common tangent,

<BAE=90=<CDE

Also <BEA=<CED as they are opposite angles

By AAA, the two triangles, ABE and DCE, are similar

so AB/EA = DC/ED

AB = EA * DC/ED = 18 * 4/6

= 12

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Solve each inequality and graph the solution 2-5y &gt;= -23
castortr0y [4]

Answer:

y<=5

Step-by-step explanation:

2-5y>=-23

subtract 2 from each side

-5y>=-25

divide both sides by -5

y<=5

4 0
2 years ago
2. Consider the following dot plot and answer the following questions : A. Find the measures of central tendency Construct the B
zubka84 [21]

The measures of central tendency for this data set are as follows:

  1. Mean = 3.55.
  2. Median = 3.5.
  3. Mode = 3.

<h3>How to calculate measures of central tendency?</h3>

In Mathematics, there are three (3) main measures of central tendency and these include the following:

  • Mean
  • Median
  • Mode

For the mean, we have:

Mathematically, the mean for this data set would be calculated by using this formula:

Mean = [F(x)]/n

For the total number of data, we have:

F(x) = 0 + 1 + 1 + 1 + 2 + 2 + 3 + 3 + 3 + 3 + 4 + 4 + 4 + 5 + 5 + 5 + 6 + 6 + 6 + 7

F(x) = 71

Substituting the parameters into the formula, we have:

Mean = [F(x)]/n

Mean = 71/20

Mean = 3.55.

For the median, we have:

First of all, we would order the data from lowest to highest and then determine the median as follows:

Data = {0, 1, 1, 1, 2, 2, 3, 3, 3,} 3, 4, {4, 4, 5, 5, 5, 6, 6, 6, 7}

Median = {3 + 4}/2

Median = 7/2

Median = 3.5.

<h3>How to calculate the mode?</h3>

A mode refers to the most frequently occurring number in a data set. Thus, the mode for this data set is equal to 3.

In conclusion, a box plot of the measures of central tendency for this data set is shown in the image attached below.

Read more on mean here: brainly.com/question/9550536

#SPJ1

6 0
1 year ago
What is the slope of the line that passes through the point 3,5 and -2,2
Nostrana [21]

Answer:

3/5

Step-by-step explanation:

Slope=

\frac{y2 - y1}{x2 - x1}

slope =

\frac{2 - 5}{ - 2 - 3}

=

\frac{3}{5}

8 0
3 years ago
Bryan B. kicks a 3kg soccer ball that accelerates at 9 m/s2. What is the force?
slega [8]

The answer is 27N

ur welcome

5 0
2 years ago
Transformation Rule:<br> Translate 4 units right and 3 units up.<br> B<br> Х<br> A
Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

Translation of a point (h, k) by 'a' units to the right and 'b' units upwards is defined by,

(h, k) → (h + a, k +b)

Coordinates of A → (-4, -2)

Coordinates of B → (1, -1)

Coordinates of C → (0, -5)

If these points are shifted 4 units right and 3 units up,

By applying rules of the translation,

Coordinates of image point A' → (-4 + 4, -2 + 3)

                                                    → (0, 1)

Coordinates of B' → (1 + 4, -1 + 3)

                             → (5, 2)

Coordinates of C' → (0 + 4, -5 + 3)

                             → (4, -2)

Now plot these points on the graph.

6 0
2 years ago
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