1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
babunello [35]
3 years ago
6

What is the value of x?

Mathematics
1 answer:
satela [25.4K]3 years ago
5 0

Answer:

x = 4

Step-by-step explanation:

By property of intersecting secants outside of circle.

PC \times PA = PB \times PD \\ 10(2x + 10)  = 9(2x + 3 + 9) \\ 20x + 100 = 18x + 108 \\ 20x - 18x = 108 - 100 \\ 2x = 8 \\ x =  \frac{8}{2}  \\ \huge \red{ \boxed{ x = 4}}

You might be interested in
How can you represent data that relates to two different categories?
siniylev [52]

Answer:

you can use a graph like a bar graph or a pie chart. or a table that has two parts like what is linked. make sure for the graph to have a key

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Researchers claim that 8% of people have blue eyes. Suppose the researchers' claim is true. Mrs. Greene has a Geometry class wit
vovikov84 [41]

Answer:

Probability that exactly 5 of them have blue eyes is 0.1165.

Step-by-step explanation:

We are given that Researchers claim that 8% of people have blue eyes. Suppose the researchers' claim is true. Mrs. Greene has a Geometry class with 40 students.

The above situation can be represented through Binomial distribution;

P(X=r) = \binom{n}{r}p^{r} (1-p)^{n-r} ; x = 0,1,2,3,.....

where, n = number of trials (samples) taken = 40 students

            r = number of success = exactly 5

           p = probability of success which in our question is % of people

                 having blue eyes, i.e; 8%

<em>LET X = Number of students having blue eyes</em>

So, it means X ~ Binom(n= 40,p=0.08)

Now, Probability that exactly 5 of them have blue eyes is given by = P(X = 5)

        P(X = 5) =  \binom{40}{5}\times 0.08^{5} \times (1-0.08)^{40-5}

                      =  658008 \times 0.08^{5}  \times 0.92^{35}

                      = 0.1165

                

Therefore, Probability that exactly 5 of them have blue eyes is 0.1165.

7 0
3 years ago
Please help me (NO LINKS)
tatuchka [14]

Answer:

0.25( \frac{1}{4} ) \\ 0.50( \frac{2}{4}) \\ 1.25(1 \frac{1}{4} )

hope it's what u want

5 0
2 years ago
A farmer sows 100 seeds of a new type of corn and wants to quickly determine the yield, or total number of ears of corn, for the
snow_lady [41]

Answer:

the fewest number is 5,6,7

Step-by-step explanation:

hope it helps

7 0
2 years ago
The perimeter of a parallelogram is 72 meters. The width of the parallelogram is 4 meters less than its length. Find the length
mafiozo [28]
Perimeter of a parallelogram = 2(l + w). But w = l - 4
Therefore, 72 = 2(l + l - 4) = 2(2l - 4) = 4l - 8
4l = 72 + 8 = 80
l = 80/4 = 20
w = 20 - 4 = 16

Therefore, length = 20 meters and width = 16 meters
7 0
3 years ago
Other questions:
  • Find the factors of the expression 8x6 + 27y
    5·1 answer
  • -3x-4ya 2<br>Зr + 3y=-3​
    10·1 answer
  • How long is a school bus
    13·2 answers
  • How do you solve 21r &lt; 7?
    13·2 answers
  • How to slove 492.6÷48 <br>​
    8·1 answer
  • Find the slope of the line. Enter your answer in simplest form. ​
    9·2 answers
  • Which ordered pair is the solution to the system of linear equations y=-7X+2 and y = 9%-14?
    11·1 answer
  • What is the slope of the line through (-1,8)(−1,8)left parenthesis, minus, 1, comma, 8, right parenthesis and (3,-4)(3,−4)left p
    10·2 answers
  • 60 over 100 = x over 15 help i need to find x asap
    8·2 answers
  • Does someone mind helping me with this problem? Thank you!
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!