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sasho [114]
2 years ago
11

El ancho de un jardìn de forna rectangular mide 40m y su diagonal 60m ¿Cuàl de las siguientes opciones nos indica la medida del

largo del jardìn con dos decimales? A) 44,72 b) 44,55 c) 30,45
Mathematics
2 answers:
Black_prince [1.1K]2 years ago
3 0

Answer:

La longitud del jardín es l \approx 44.72\,m. (Opción A) (The length of the garden is l \approx 44.72\,m) (Option A)

Step-by-step explanation:

El largo del jardín se calcula por el Teorema de Pitágoras (The length of the garden is now calculed by the Pythagorean Theorem):

l = \sqrt{(60\,m)^{2}-(40\,m)^{2}}

l \approx 44.72\,m

Travka [436]2 years ago
3 0

Answer:

A)  x = 44,72 m

Step-by-step explanation:

A rectangular shape means two dimensions width (w) and length (l)  and the internal angles are of 90⁰; therefore if we know one of its side, and a diagonal (d)  we can calculate the other side, using Pytagoras Theorem, then:

x² +  l²  = d²

x²  =  d² - l²    ⇒  x²  =  (60)²  - (40)²    ⇒   x² =  3600 - 1600

x²  =  2000

x = √2000

x = 44,72 m

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PLEASE HELP NEED THIS ANSWERED CORRECTLY
Helen [10]

f(3) = 1.9

Solution:

Given function:

$f(x)=\frac{14}{7+2 e^{-0.6 x}}

To find f(3):

Substitute x = 3 in the given function.

$f(3)=\frac{14}{7+2 e^{-0.6 (3)}}

$f(3)=\frac{14}{7+2 e^{-1.8}}

Let us first simplify 2e^{-1.8}.

Apply exponent rule: a^{-b}=\frac{1}{a^{b}}

$ 2e^{-1.8}=2\frac{1}{e^{1.8}}$

The value of e^{1.8}=6.04964. (using calculator)

$\frac{2}{e^{1.8}}=\frac{2}{6.04964}=0.33059

2e^{-1.8}=0.33059

Substitute this value in f(3).

$f(3)=\frac{14}{7+0.33059}

$f(3)=\frac{14}{7.33059}  

$f(3)=1.90980

f(3) = 1.9

Hence the value of f(3) is 1.9.

3 0
3 years ago
Use the slope formula (m =
lubasha [3.4K]

For (7,2) and (0,5)

slope = 5-3/-7 = -2/7

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