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neonofarm [45]
3 years ago
7

Find the value of x in 4:6=x:3​

Mathematics
1 answer:
frozen [14]3 years ago
4 0

Answer:

x = 2

Step-by-step explanation:

Express the ratio in fractional form

\frac{4}{6} = \frac{x}{3} ( cross- multiply )

6x = 12 ( divide both sides by 6 )

x = 2

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How do you do this????
Svetllana [295]
Tot answer his question will need to use the Pythagorean Theron which involves you using a squared plus b squared Egypt’s c squared that will be the Theron need to solve this problem
4 0
3 years ago
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rick deposited $6200 in a savings account with simple interest. three years later, the account held $7130 what was the interest
Law Incorporation [45]

1) Gathering the data

P=$6200

F=7310

t= 3 yrs

2) Since it is a simple interest, it is a linear application. So we can find it using this formula:

undefined

8 0
2 years ago
The n candidates for a job have been ranked 1, 2, 3,…, n. Let X 5 the rank of a randomly selected candidate, so that X has pmf p
Anon25 [30]

Answer:

A. E(x) = 1/n×n(n+1)/2

B. E(x²) = 1/n

Step-by-step explanation:

The n candidates for a job have been ranked 1,2,3....n. Let x be the rank of a randomly selected candidate. Therefore, the PMF of X is given as

P(x) = {1/n, x = 1,2...n}

Therefore,

Expectation of X

E(x) = summation {xP(×)}

= summation {X×1/n}

= 1/n summation{x}

= 1/n×n(n+1)/2

= n+1/2

Thus, E(x) = 1/n×n(n+1)/2

Value of E(x²)

E(x²) = summation {x²P(×)}

= summation{x²×1/n}

= 1/n

3 0
3 years ago
There are 180 days in school year and you get 3 assignments per day. How many total assignments do you get in 1 school year
m_a_m_a [10]

Answer:

260 assignments in a school year

Step by Step:

There are 180 days in a school year and you do 3 assignments per day you multiple 180 and 3

6 0
3 years ago
Se tiene que elaborar un cartel de forma triangular, uno de los lados debe medir 30 cm y el otro
Marianna [84]

La medida aproximada del lado faltante según el teorema de desigualdad de triángulos es:

  • más de 12 cm y menos de 48 cm

De acuerdo con el teorema de la desigualdad del triángulo que establece que;

La suma de la longitud de 2 lados cualesquiera de un triángulo debe ser mayor que el tercer lado.

Dado que :

a = 30 cm; b = 18 cm; c =?

Basado en el teorema de la desigualdad del triángulo;

  • c debe ser <(a + b)
  • c <(30 + 18); c <48 cm
  • También c> (a - b)
  • c> (30 - 18); c> 12 cm

Por lo tanto, el lado faltante debe ser menor que 48 y mayor que 12.

Más información: brainly.com/question/18345497?referrer=searchResults

7 0
3 years ago
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