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bixtya [17]
2 years ago
12

A netball team has 7 boys and 4 girls. The percentage of the girls in the class

Mathematics
2 answers:
Paraphin [41]2 years ago
6 0

Answer:

63.7%

Step-by-step explanation:

11 people in total

9.1% per person

7* 9.1=63.7

vladimir1956 [14]2 years ago
3 0
Sum of boys and girls equals 100% working below. hope it helps

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Explain why x^2 + y^2 -6x +10y = -34 is NOT a circle. What is it?
kenny6666 [7]

Answer:

(See explanation for further details)

Step-by-step explanation:

The expression is transformed into its standard form:

x^{2} + y^{2} - 6\cdot x + 10\cdot y + 34 = 0

x^{2} - 6\cdot x + 9 + y^{2} + 10\cdot y + 25 = 0

(x-3)^{2} + (y+5)^{2} = 0

The function does not represent a circle, as radius is a positive number.

4 0
3 years ago
If a and b are non-negative integers, is ab prime?
andrew-mc [135]
No  because ab can be divided by a and b.
8 0
3 years ago
13x-2y+24=0<br> Write the equation of the line in the form y=Mx+b help ASAP
Alexxandr [17]

Answer:

y= 13/2x +12

Step-by-step explanation:

so first move expression to right hand side

13x-2y+24=0

2y= 13x+24

then divide every term by 2 to cancel out 2

2y/2 = 13x/2 + 24/2

and then you get your final answer

8 0
3 years ago
) If the average cost function for a company is given by C(x) = 0.2x + 20x −1 + 75, nd what level of production produces the low
Stells [14]

Answer:

The correct answer is 10 for lowest average cost and the cost function is 0.2x^{2} + 75x + 20.

Step-by-step explanation:

Average cost function is given by = \frac{Cost}{Quantity} = C(x) = 0.2x + \frac{20}{x} +75.

For minimizing we need to find \frac{d}{dx}C(x) = 0.

⇒ \frac{d}{dx}C(x) = 0.2 - \frac{20}{x^{2}}.

⇒ \frac{20}{x^{2}} = 0.2

⇒ x^{2} = 100.

⇒ x = ±10

⇒ x = 10 ; cost cannot be negative.

Second order derivative is positive which implies the average cost minimizes.

Original cost function is given by C(x) × x = 0.2x^{2} + 75x + 20.

5 0
2 years ago
A1=−32 <br> an=an−1+12<br><br> What is a9
Anestetic [448]

Answer:

huh show math problem

Step-by-step explanation:

6 0
3 years ago
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