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Oksana_A [137]
3 years ago
8

Mixed number as a decimal 7 9/18

Mathematics
1 answer:
Lesechka [4]3 years ago
7 0

Answer:

3.5

Step-by-step explanation:

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En la figura los segmentos ED y AC son paralelos selecciona los triangulos q son 1)Triangulo ABE 2)Triangulo BCD 3) Triangulo BD
Flauer [41]

Respuesta:

Los 3 triángulos son semejantes.

Explicación paso a paso:

En estos casos nos dan a conocer los ángulos de los triángulos, por lo tanto el criterios de semejanza se reduce si más de dos de sus ángulos internos son iguales.  

Por lo tanto, sabemos que en los triángulos ABE y BCD presentan los mismos ángulos, 80°, 40° y 60° por lo que podemos afirmar que ambos triángulos son semejantes.

Ahora bien, para el triangulo BDE, podemos conocer solo un angulo del que es de 80°, pero el resto sería desconocido, lo que quiere decir que no podríamos determinar si es semejante con los otros, pero por medio de los ángulos externos determinamos que si corresponde también a 60° y 40°, por lo tanto, los 3 triángulos son semejantes.

3 0
4 years ago
HELP! Will give branliest!!!!<br> Please give an explanation if possible!!!
artcher [175]

Answer:

gimme a brainliest

Step-by-step explanation:

the answer is 4

4 0
3 years ago
Read 2 more answers
Mira picked two numbers from a bowl. The difference of the two numbers was 4, and the sum of one-half of each number was 18. The
kobusy [5.1K]

Answer:

20 and 16

Step-by-step explanation:

Let us find x and y.

x – y = 4 _____(1)

x/2 + y/2= 18___(2)

Multiply (2) by 2 and add to (1)

  x - y = 4

+<u>(x + y = 36)</u>

 <u>2x   =   40</u>

=> x = 40 / 2 = 20

From (1):

20 - y = 4

=> y = 20 - 4 = 16

The two numbers are 20 and 16.

6 0
3 years ago
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A fishing boat has raidoed the Coast guard for a helicopter to pick up and injured crew member. at the same time of the emerginc
leonid [27]

Answer:

2 hours

Step-by-step explanation:

The question is asking us to get the meeting point of the two and at what time would they arrive here given their individual speeds. Now what needs to be done here is first add their average speeds.

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Now the distance the helicopter would have traveled would be ; 325/350 * 700 = 650km

The remaining distance left for the boat would be 700 - 650 = 50km

Now the time taken for this would be 650/325 or 50/25 = 2hours

7 0
3 years ago
Read 2 more answers
Which of these is the algebraic expression for "4 less than the product of 5 and some number?"
Anton [14]
Answer = 5p − 4 (third choice)

"4 less than the product of 5 and some number = 5p − 4
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