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sdas [7]
3 years ago
11

The chorus at an elementary school is made up on fifth and sixth graders. This year, the chorus had 12 fifth-grade girls, 9 fift

h-grade boys, 14 sixth-grade girls, and 10 sixth-grade boys.
Find the following ratios:

a. The ratio of boys to girls

b. The ratio of fifth graders to sixth graders

c. The ratio of girls to the total number of students in the chorus
Mathematics
1 answer:
Sveta_85 [38]3 years ago
7 0

Answer:

A. Ratio boys to girls ---> 19 : 26

B. Ratio of 5th grade to 6th grade ---> 21 : 24

C. Ratio of girls to total number of chorus students ---> 26 : 45

Step-by-step explanation:

A. the amount of boys is 9 + 10, the amount of girls is 12 + 26

B. the amount of 5th graders is 12 + 9, the amount of 6th graders is 14 + 10

C. the number of girls is 12 + 14, and the number of chorus students is 12+9+14+10

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Please help, thank you so much !!
Sliva [168]
Answer: x = 54

Explanation:

180 - 14 = 166

3x + 4 = 166
3x = 162
x = 162/3 = 54
6 0
2 years ago
Find two consecutive numbers with a product of 121
Crank
One number: x
Its consecutive:  x + 1

Product:

x(x+1)=121
x² + x - 121 = 0

Δ = 1² - 4.1.(-121)
Δ = 1+484
Δ = 485

As square root of 485 is not integer, do not exist two consecutive numbers with product of 121
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3 years ago
The question is below
alexira [117]
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3 years ago
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ratelena [41]
I think the answer is 1
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3 years ago
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Step-by-step explanation:


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3 years ago
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