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sweet [91]
2 years ago
12

PLEASE HELP ME :) THANK YOU IN ADVANCE !!

Mathematics
1 answer:
Andrei [34K]2 years ago
8 0

Answer:

64 squnits

Step-by-step explanation:

trapezium is (base+top)/2 times height

(6+10)/2=8

8x8=64

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4. Andrés desea embaldosar el piso de su casa que tiene 375 cm de ancho y 435 cm de largo. Calcula la longitud del lado que tend
svetlana [45]

Answer:

Sabemos que el piso es un rectángulo de 435 cm de largo y 375 cm de ancho.

Recordar que para un rectángulo de largo L, y ancho W, el área es:

A = L*W

Entonces el área del piso, será:

A = 435cm*375cm = 163,125 cm^2

Primero, sabemos que se utilizaran baldosas (las cuales son cuadradas) y queremos saber la longitud de lado que tendrían las baldosas.

No tenemos ningún criterio para encontrar este lado, solo que (si queremos usar un número entero de baldosas) el largo L del lado de la baldosa deberá ser un divisor de tanto el ancho como el largo del suelo.

Dicho de otra forma

el largo, 435cm, tiene que ser múltiplo de L

el ancho, 375cm, tiene que ser múltiplo de L.

Por ejemplo, ambos números son múltiplos de 5, entonces podríamos tomar L = 5cm

En este caso, el área de cada baldosa es:

a = L^2 = 5cm*5cm = 25cm^2

Y el número total de baldosas que necesitaría usar esta dado por el cociente entre el área del suelo y el area de cada baldosa.

N = ( 163,125 cm^2)/(25cm^2) = 6,525 baldosas.

También sabemos que ambos números (435cm y 375cm) son múltiplos de 15cm

Entonces las baldosas podrían tener 15cm de lado.

En este caso, el área de cada baldosa es:

A = (15cm)^2 = 225cm

En este caso el número total de baldosas necesarias será:

N =  ( 163,125 cm^2)/(225cm^2) = 725 baldosas.

5 0
3 years ago
Events A and B are such that P(A) = 3 8 , P(B) = 2 7 and P(A ∩ B) = 1 7 Work out P(A|B)
tigry1 [53]

Answer:

\frac{17}{27}

Step-by-step explanation:

Given: Events A and B are such that P(A)=38\,,\,P(B)=27 and P(A∩B) = 17

To find: P(A|B)

Solution:

Probability refers to the chances of occurrence of any event.

An event is described as an outcome of a random experiment.

A random experiment is an experiment for which outcomes cannot be predicted.

P(A|B)= P(A∩B) ÷ P(B) = \frac{17}{27}

3 0
3 years ago
Ttttttttttttttttttttttttttttttttttttttttttttt
-Dominant- [34]

Answer:

ttttttttttttttttttttttttttttttttttttttttttttt

4 0
4 years ago
Read 2 more answers
HELP QUICK, 30 PTS, WILL MARK BRAINLIEST ,find the number for september
fgiga [73]
Do you mean the number month it is? if so it’s the 9th month in the year
3 0
3 years ago
G=3j+4 for j how do I find r
musickatia [10]

Answer:

d

Step-by-step explanation:

thats the answer i did it too

7 0
3 years ago
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