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Alja [10]
3 years ago
12

A music club has 35 drum players. If 25% of the total number of members in the club are drum players, what is the total number o

f member in the club?
Mathematics
1 answer:
Pachacha [2.7K]3 years ago
3 0

Answer:

140

Step-by-step explanation:

Since 25% is 1/4 of 100, that means that 35 is 1/4 of the total amount of members in the club. So, 35 times 4 is 140.

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Can someone help me with these questions and show work please and thank you
attashe74 [19]

Answer:

11. 78

12. 4x² - 3x - 1

Step-by-step explanation:

11. Sum of n whole numbers = ½(n² + n)

Multiply

½*n² + ½*n

= n²/2 + n/2

To find the sum of the first 12 whole number, substitute 12 for n into the equation.

= 12²/2 + 12/2

= 144/2 + 12/2

= 72 + 6

= 78

12. Area of trapezoid = ½(a + b)*h

Where,

a = 5x - 4

b = 3x + 2

h = x + 1

Area = ½(5x - 4 + 3x + 2)*(x + 1)

Area = ½(8x - 2)*(x + 1)

Area = ½[8x(x + 1) -2(x + 1)]

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Add like terms

= ½(8x² - 6x - 2)

= ½(8x²) - ½(6x) - ½(2)

= 4x² - 3x - 1

6 0
3 years ago
Me ayudan con el problema dice Arturo compro 6 quesos de 1/4 de Kg cada uno Cuantos Kg de queso tiene?
stepladder [879]

Answer:

1 1/2 kg de queso

Step-by-step explanation:

De la pregunta anterior, sabemos que:

1 queso = 1/4 kg

6 quesos = x kg

Multiplicar cruzada

1 queso × x kg = 6 quesos × 1/4 kg

x kg = 6 quesos × 1/4 kg / 1 queso

x kg = 3/2 kg

x kg = 1 1/2 kg de queso

6 0
3 years ago
Select the correct answer from each drop-down menu.
astraxan [27]

Answer: Pt1= Only x=5

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Step-by-step explanation:

8 0
2 years ago
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You want to rent a television. Company A charges $25 per week plus a one-time fee of $52. Company B charges $37 per week plus a
RUDIKE [14]
52+25=77+25=102+25=127
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Answer 3 weeks
8 0
2 years ago
The square of a number is 12 less than 7 times the number. What is the number
Elan Coil [88]
You can put "3 or 4" which is in your multiple choice :)
4 0
3 years ago
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