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Ivenika [448]
4 years ago
9

Two containers filled with water are leaking. Container A leaks at a rate of 1/4 gallon per hour. Container B leaks at a rate of

1/8 gallon per half hour. Determine which container is leaking water more rapidly.
Mathematics
1 answer:
valina [46]4 years ago
7 0
Container a because 1/4 is 25% and 1/8 is 0.125
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A shipment containing 5 recorders and 4 harmonicas cost $62. A second shipment containing 10 recorders and 3 harmonicas cost $84
My name is Ann [436]
For the first shipment, 5r+4h=62.
For the second shipment, 10r+3h=84.
pick either equation and solve for r, them plug this back into the other equation and solve for h, you should then be able to find the price per harmonica and per recorder. Comment if you need more help.
6 0
3 years ago
You took a random sample of 12 two-slice toasters and found the mean price was $61.12 and the standard deviation was $24.62. Con
Minchanka [31]

Answer:

Step-by-step explanation:

We want to determine a 95% confidence interval for the population mean for the prices of slice toasters.

Number of sample, n = 12

Mean, u = $61.12

Standard deviation, s = $24.62

For a confidence level of 95%, the corresponding z value is 1.96.

We will apply the formula

Confidence interval

= mean ± z ×standard deviation/√n

It becomes

61.12 ± 1.96 × 24.62/√12

= 61.12 ± 1.96 × 7.107

= 61.12 ± 13.93

The lower end of the confidence interval is 61.12 - 13.93 =47.19

The upper end of the confidence interval is 61.12 + 13.93 = 75.05

5 0
3 years ago
Suppose you go to an ice cream shop which allows you to choose from 7 flavors of ice cream and 5 toppings. if you decide to get
alexdok [17]

The order doesn't matter.

k objects can be chosen out of n objects, when the order doesn't matter, in C(n,k)=\dfrac{n!}{k!(n-k)!} ways.

So, the answer is C(7,2)\cdot C(5,3)=\dfrac{7!}{2!5!}\cdot\dfrac{5!}{3!2!}=\dfrac{6\cdot7}{2}\cdot\dfrac{4\cdot5}{2}=210 ways.

8 0
3 years ago
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Alecsey [184]

Answer:1/7

(-5,3)= (x1,y1)

(2,4)= (x2,y2)

Slope= \frac{y2-y1}{x2-x1}

         =\frac{4-3}{2-(-5)}

         =\frac{1}{7}

4 0
3 years ago
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What’s your work ...
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3 years ago
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