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3 years ago

The two triangles are similar. What is the value of x?

Mathematics

1 answer:

rusak2 [61]3 years ago

8 0

Check the picture below.

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A box contains four blue and eight red balls. Jim and Jack start drawing balls from the box, respectively, one at a time, at ran

aleksandrvk [35]

Answer:

the probability that Jack draws the blue ball is 0.38539

Step-by-step explanation:

Given the data in the question;

box contains

blue balls = 5

red balls = 8

Jim and Jack start drawing balls from the box, respectively, one at a time, at random, and without replacement

Now,

on the first attempted;

⇒ ( 8/13) × ( 5/12) = 10/39

on the second attempt;

⇒ ( 8/13 ) ( 7/12) ( 6/11 ) ( 5/10 ) = 14/143

on the third attempt;

⇒ ( 8/13 ) ( 7/12) ( 6/11 ) ( 5/10 ) ( 4/9 ) ( 5/8 ) = 35/1287

on the fourth attempt;

⇒ ( 8/13 ) ( 7/12) ( 6/11 ) ( 5/10 ) ( 4/9 ) ( 3/8 ) ( 2/7 ) ( 5/6 ) = 5/1287

so we add everything;

⇒ 10/39 + 14/143 + 35/1287 + 5/1287

= 0.38539

Therefore, the probability that Jack draws the blue ball is 0.38539

5 0

3 years ago

1+4=5 <br> 2+5=12 <br> 3+6=21 <br> 8+11 =

alekssr [168]

The answer to 8+11 is 19 because 8+1 is 9 so 11+8 is 19

4 0

3 years ago

Read 2 more answers

Ratios equivalent to 16:12

Artyom0805 [142]

Answer:

$\frac{16}{12}$ equivalent to $\frac{ 4}{3}$

Step-by-step explanation:

Given ratio, $\frac{16}{12}$

It can be written as $\frac{16}{12}=\frac{4 \times 4}{4 \times 3}$

cancel common factor,

$\frac{16}{12}=\frac{ 4}{3}$

4 0

3 years ago

Pls help me!!!

Olenka [21]

Answer:

Step-by-step explanation:

A box plot is the diagrammatic representation of the five number summary. It includes 5 items:

The minimum.

Q1 = the first quartile or the 25% mark.

The median.

Q3 = the third quartile or the 75% mark.

The maximum.

Rearranging the data in ascending order, it becomes

169, 163, 153, 166, 149, 148, 146, 145, 152, 163

145, 146, 148, 149, 152, 153, 163, 163, 166, 169

Minimum = 145

Maximum = 169

Median = (152 + 153)/2 = 152.5

The median divides the data into two equal halves. The middle of the lower halve is Q1 while the middle of the upper halve is Q3

Q1 = 148

Q3 = 163

The diagram of the box plot is shown in the attached photo

8 0

3 years ago

What is the length of A(4, 2) B(9, 10)

BigorU [14]

Answer:

A.) About 9.4 units

Distance = 9.433981

5 0

3 years ago