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Y_Kistochka [10]
3 years ago
5

Find the area 2 m 4 m 10 m

Mathematics
1 answer:
mina [271]3 years ago
6 0

Answer:

30.285 m²

Step-by-step explanation:

C = 2πr

2 · π · 2

≈ 12.57

12.57 ÷ 2 = 6.285

10 - 2 = 8

8 · 4 ÷ 2

32 ÷ 2

16

2 · 4 = 8

6.285 + 8 + 16

30.285

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Answer:

x \geqslant  - 3

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3 years ago
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The cost of renting a jumping castle includes a fixed charge of $325 for setup and delivery, and a variable charge of $175 for e
allochka39001 [22]

Answer:

the range is 5-8 hours

Step-by-step explanation:

325+175t=1200

175t=875

875/175

t=5

325+175t=1725

175t=1400

1400/175

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8 0
3 years ago
The price-earnings ratio for firms in a given industry follows the normal distribution. In this industry, a firm whose price-ear
lesantik [10]

Answer:

The correct answer is

A. 16%

Step-by-step explanation:

The zscore is used to solve problems of normally distributed samples.

This score indicates the percentage of a certain measure. It can be found looking at the z table.

For example, if a measure has a percentile of 75%, it is in the 100%-75% = highest 25 percent of all the measures.

Z = 1 has a pvalue 0.8413. So it is in the highest 1-0.8413 = 0.1587 = 16% percent of firms in the industry.

The correct answer is

A. 16%

4 0
3 years ago
The present age of murray mother is 10 years more twice his present age.After 5years,the sum of their ages will be 59 years.How
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I believe Murray is 22 end his mother 44
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3 0
3 years ago
El interior de un tanque que contiene agua, tiene una presión manométrica de 300 kPa. ¿Qué profundidad tiene el tanque de agua?
zmey [24]

Respuesta:

30,6 metros

Explicación paso a paso:

Dado :

Presión = 300 Kpa

Usando la fórmula que relaciona la presión y la profundidad:

Presión = profundidad * aceleración debida a la gravedad * densidad del agua

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Presión = 300Kpa = 300 * 10 ^ 3 Pa

300 * 10 ^ 3 Pa = profundidad * 9,8 * 1000

300000 = profundidad * 9800

Profundidad = 300000/9800

Profundidad = 30,612

Profundidad = 30,6 m

5 0
3 years ago
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