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Natali5045456 [20]
3 years ago
13

9) Which two ratios form a proportion? A) 5 6 and 4 5 B) 6 5 and 4 5 C) 12 15 and 5 4 D) 15 12 and 5 4

Mathematics
1 answer:
Sveta_85 [38]3 years ago
3 0

Answer:

D) 15/12 and 5/4

Step-by-step explanation:

Because when you cross multiply the ratios

15*4 and 12*5

making both ratios a proportion

they both = 60

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25.5 is what percent of 60
OLEGan [10]
%/100 = is/of 
25.5%/100= x/60
The answer is 15.3

6 0
4 years ago
Read 2 more answers
Laura tiene láminas y 40 están repetidas si coloca 5 en cada página de su álbum ¿cuántas páginas completará laura?​
bulgar [2K]

Answer:

8.

Step-by-step explanation:

Dado que Laura tiene 40 láminas repetidas, si coloca 5 de estas láminas en cada página de su álbum, para determinar cuántas páginas de su álbum podrá Laura completar se debe realizar el siguiente cálculo:

40 / 5 = Cantidad de páginas

8 = Cantidad de páginas

Así, colocando 5 láminas por página, Laura podrá completar 8 páginas de su álbum.

8 0
3 years ago
The probability that Brock scores a penalty kick is LaTeX: \frac{3}{10}3 10 . If he shoots 50 penalty kicks, how many "goals" ca
Feliz [49]

Answer:

15 goals out of 50 penalty kicks was scored by brock

Step-by-step explanation:

If Brock shoots 50 penalty kicks and the probability that he scores a penalty kick is 3/10, the number of goal brock is expected to make can be expressed as:

Number of goals scored = probability value * total penalty kicks taken

Number of goals scored = \frac{3}{10}*50

Number of goals scored = 15 goals

5 0
3 years ago
A nursery owner buys 8 panes of glass to fix some damage to his greenhouse. The 8 panes cost $19.60. Unfortunately, he breaks 3
Sedaia [141]

Answer:

its 19. 60 just add it three more times and that is your answer

8 0
3 years ago
How many whole numbers are there between 30 and 79?
Svetllana [295]

Answer:

50

Step-by-step explanation:

<u>Definition of whole number: </u>Whole numbers are a set of numbers including the set of natural numbers (1 to infinity) and the integer '0'

The formula for finding the number of whole numbers between to given numbers “m” and “n” (assuming that “m” and “n” are included in the listing, and that “n” is the larger value) is:

(n - m) + 1

And the formula gives:

(79 - 30) + 1 = 49 + 1 = 50

8 0
2 years ago
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