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kozerog [31]
3 years ago
14

Explain what happens to the cross products when the terms of a proportion are cross multiplied.

Mathematics
1 answer:
Temka [501]3 years ago
6 0

Answer:

The cross product is created

Step-by-step explanation:

A proportion is simply a statement that two ratios are equal. ... In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

I hope this helped :)

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when the perimeter of a regular polygon is divided by 5 the lenght of a side is 25 cm what is the perimeter​
Harlamova29_29 [7]

Answer:

<h2><u><em>125 cm</em></u></h2>

Step-by-step explanation:

when the perimeter of a regular polygon is divided by 5 the lenght of a side is 25 cm what is the perimeter​?

A Regular polygon is a polygon with all sides of equal length

so

25 * 5 = 125 cm

6 0
3 years ago
The diameter of a circle is 16 kilometers. what is the circle's circumference? use 3.14 for ​????.
Andreyy89
 D=16km
 r=8km

circumference of a circle= 2<span>πr

                                      = 2*3.14*8

                                      =50.24km


  P.S 3.14 is used as the value for </span><span>π (pie)</span>
3 0
3 years ago
Read 2 more answers
Los 75 postulantes que fueron aceptados tuvieron notas desde 16 hasta a 20. Si el grupo se hubiera desempeñado de modo homogéneo
joja [24]

Answer:

Tenemos 75 postulantes, y sus notas están en el rango desde 16 hasta 20.

1) si el grupo es homogéneo y todos tienen la misma nota, entonces todos van a tener la nota media en el rango (16, 20)

Para encontrar esta nota calculamos la suma entre ambos extremos y lo dividimos por 2.

Media = (16 + 20)/2 = 36/2 = 18

La nota sería 18.

2) entre 16 y 20 tenemos:

16, 17, 18, 19 y 20

tenemos 5 notas distintas, entonces si agrupamos a los estudiantes por nota, tendríamos 5 grupos.

3) En una distribución normal, el grupo mas grande debería coincidir con la media del intervalo. Ya sabemos que la media es 18, entonces es esperable que la nota del grupo mas grande sea 18.

4) Si los estudiantes se ordenan en fila según notas tendríamos:

Fila con nota 16

fila con nota 17

fila con nota 18

fila con nota 19

fila con nota 20

Podemos ver que la fila del medio es el grupo con nota de 18

6 0
3 years ago
Subtract: 6a3 - 2a2 + 4 from 5a3 - 4a + 7
wlad13 [49]

subtract like terms

5a^3 - 6a^3 = -a^3

7 - 4 = 3

answer is -a^3 + 2a^2 - 4a + 3

8 0
3 years ago
Read 2 more answers
What is the coordinate
Vadim26 [7]

Answer:

1 : to put in the same order or rank. 2 : to bring into a common action, movement, or condition : harmonize coordinate schedules She'll be coordinating the relief effort. 3 : to attach so as to form a coordination complex

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