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SSSSS [86.1K]
2 years ago
12

Does this represent quntitites that are proportional

Mathematics
1 answer:
Yuki888 [10]2 years ago
6 0

Answer:

B

Step-by-step explanation:

Not all of the pairs represent the same ratio

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usa el teorema de la altura para proponer como se podria construir un segmento cuya longitud sea media proporcional entre dos se
Mrac [35]
Usando el teorema de altura 

El teorema de altura relaciona la altura (h) de un triángulo rectángulo (ver figura) y los catetos de dos triángulos que son semejantes al anterior ABC, al trazar la altura (h) sobre la hipotenusa. De manera que e<span>n todo </span>triángulo rectángulo, la altura (h<span>) relativa a la </span>hipotenusa<span> es la </span>media geométrica<span> de las dos proyecciones de los </span>catetos<span> sobre la </span>hipotenusa<span> (</span>n<span> y </span>m<span>). Es decir, se cumple que:

</span>\frac{n}{h}= \frac{h}{m}

Dado que el problema establece <span>construir un segmento cuya longitud sea media proporcional entre dos segmentos de 4 y 9 cm, entonces, digamos que n = 4cm y m = 9cm tenmos que:

</span>\frac{4}{h}= \frac{h}{9}

De donde:

h= \sqrt{(4)(9)}=\sqrt{36}=6cm

¿Cómo se podria construir si los segmentos son de a cm y b cm?

Si los segmentos son de a y b cm entonces a y b son parámetros que pueden tomar cualquier valor positivo siempre que se cumpla que:

h= \sqrt{ab}

6 0
3 years ago
the length of this prism is multiplied by a scale factor of 1/2 to create rectangular prism B the volume of rectangular prism B
anastassius [24]
We know that

[volume of rectangular prism]=L*W*h
L= 6 in prism A
volume of rectangular prism A=6*w*h

L=6*(1/2)------> L=3 in prism B

volume of rectangular prism B=3*w*h
so
volume of rectangular prism B=[volume of rectangular prism A]/2

the answer is
Volume of B is 1/2 volume of A

8 0
3 years ago
Given parallelogram abcd, find the value of y.
nekit [7.7K]

Answer:

c) 82

Step-by-step explanation:

<ABE and <BEC are supplementary because they form a line.

<ABE + <BEC = 180

116+ x = 180

Subtract 116 from each side.

116-116+x = 180 -116

x = 64


The angles in triangle ECB add to 180 because it is a triangle

<BEC + <ECB + <CBE = 180

x + 34+y = 180

64 + 34+ y = 180

98 + y = 180

Subtract 98 from each side.

98-98+y = 180-98

y = 82


4 0
3 years ago
Is it possible to identify The exact values of all the original service times? A. Yes. The data values in each class are equal t
kakasveta [241]

Answer:

C.

Step-by-step explanation:

The answer to your question would be C. No, the data values in each class could take on any value between the class limits, inclusive.


I hope it helps! Have a great day!

Muffin~

8 0
2 years ago
Read 2 more answers
If $4,000 is deposited in a bank account paying 4% compounded quarterly, what amount will be in the account after 7 years? How m
pishuonlain [190]
We shall use the equation A = i(1 + r/n)^nt
So we shall plug all of that in so it turns out like this:
A = 4000(1 + 0.04/4)^4 x 7

So then that can be simplified to A = (1.01)^28
and then to A = 4000(1.321)
so then A = 5285.16
8 0
3 years ago
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