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solniwko [45]
3 years ago
14

A coin-operated bouncy ball dispenser has a large glass sphere that holds many spherical balls. The large glass sphere has a rad

ius of 9 inches. Each bouncy ball has radius of 1 inch and sits inside the dispenser. If there are 243 bouncy balls in the large glass sphere, what proportion of the large glass sphere’s volume is taken up by bouncy balls? Give your answer as a fraction
Mathematics
1 answer:
Leto [7]3 years ago
4 0

Answer:

I believe it is 60-10=x because it says she purchased it with 60$ but recieved 10$ in change causing the amount we dont know to be a variable such as "x"

Step-by-step explanation:

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Answer:

\large\boxed{x

Step-by-step explanation:

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-15x>8\qquad\text{change the signs}\\\\15x

4 0
4 years ago
15. (x - 3)<br> If f(x) = 2x2 – 5, find the following.<br> 16.fly-2)<br> 17. f(a+h)-f(a)
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Answer:

16. f(y-2) = 2(y-2)²-5

= 2(y²-4y+4)-5

= 2y²-8y+8-5

= 2y²-8y+3

17. f(a+h)-f(a) = 2(a+h)²-5-(2a²-5)

= 2(a²+2ah+h²)-5-2a²+5

= 2a²+4ah+h²-2a²

= h²+4ah

8 0
4 years ago
The heights of four students are 148.5 centimeters, 146.9 centimeters, 148.2 centimeters, and 148.75 centimeters.
SIZIF [17.4K]
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3 0
3 years ago
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A utility company measures gas consumption by the hundred cubic feet, CCF. The company has a three-step rate schedule for gas cu
sweet [91]

Answer:

\$(4.65 + 0.55g)

Step-by-step explanation:

Let the number of hundred CCF of gas consumed by the customer =g

\text{When } 0 < g \leq  3\\ \text{Cost =} \$5\\\\\text{When } 3

Therefore, when the hundred cubic feet, CCF of gas consumed is more than 9, the consumer pays for the first 9 and then pays for any subsequent CCF of gas at a rate of $0.55 per CCF

\text{When g}>9  : \text{Cost =} 9.60+0.55(x-9)

=9.60+0.55g-4.95\\=\$(4.65 + 0.55g)

4 0
4 years ago
The figures are similar. Find the missing length. Round to the nearest thousandth. (Hint: this is actually a reduction, the shap
Elena-2011 [213]

Answer:

x = 3.125 ft

Step-by-step explanation:

\frac{5}{x}=\frac{8}{5} \\8x = 25\\x = \frac{25}{8}=3.125

3 0
3 years ago
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