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mamaluj [8]
2 years ago
11

What is the value of x? Enter your answer in the box. units

Mathematics
1 answer:
snow_tiger [21]2 years ago
5 0

9514 1404 393

Answer:

  x = 25

Step-by-step explanation:

The parallel lines divide the triangle sides proportionally.

  x/40 = 15/24

  x = 40(15/24) . . . . multiply by 40

  x = 25

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The Lewis family is building a circular swimming pool if the radius of the pool is 9 feet what is it’s circumference use TT =3.1
zzz [600]

Answer:

C =56.52 ft

Step-by-step explanation:

The circumference is found by

C = 2*pi*r  where r is the radius

C = 2*3.14 * 9

C =56.52 ft

5 0
3 years ago
It is known that 10% of the calculators shipped from a particular factory are defective. In a random sample of ten calculators,
umka2103 [35]

Answer:

0.7361

Step-by-step explanation:

In this question we have

number to be 10

Then we have a probability of 10% = 0.10

We have q = 1-p

= 1-0.10 = 0.90

Then the probability of not more than 1 being defective:

P(x=0) + p(x= 1)

(10C0 x 0.1⁰ x 0.9^10-0)+(10C1 x 0.1¹ x 0.9^10-1)

= 1 x1 x0.3487 + 10 x 0.1 x 0.3874

= 0.3487 + 0.3874

= 0.7361

This is the the required probability and this answers the question.

probability = 10 percent = 0.1

q= 1- 10percent = 90% = 0.9

n = 4

To get the required probabiltiy for this question is

P(not greater than one is defective )=P(x=0)+P(x=1)

= 4C0x(0.1)⁰x(0.9)⁴+4C1x(0.1)¹x(0.9)³

= 0.9477

The required probability is 0.9477

5 0
3 years ago
Part of the cell theory states that the cell is the basic unit of all living things. Julio wanted to use an analogy to explain t
vekshin1
Answer: D
Hope this helps :)
8 0
3 years ago
Distribute 5 (10+7) ........
IRINA_888 [86]

Answer: 85

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
A fountain is made up of two semicircles and a quarter circle. Find the perimeter of the fountain. Round to the nearest hundredt
Masja [62]

Answer:

75.40 feet

Step-by-step explanation:

For the two small semicircles, the circumference is \frac{1}{2} 2\pi r, or just \pi r. Since the radius is 1/2(16), or 8, the combined circumference of the two semicircles is 16\pi. Now, for the area of the quarter circle in the middle, we see that its radius is 16, and so its circumference is \frac{1}{4} 2\pi r, or \frac{1}{2} \pi 16 = 8\pi. So, the perimeter of the fountain is 16\pi + 8\pi = 24\pi, or about 75.40 feet.

Hope this helped! :)

4 0
3 years ago
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