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Tema [17]
3 years ago
5

On average, seawater contains approximately 1.2 ounces of salt per liter.how many gallons of seawater to the nearest tenth of a

gallon would contain 2.5 pounds of salt?
Mathematics
1 answer:
Andru [333]3 years ago
3 0

Answer:

10.6

Step-by-step explanation:

The amount of salt in one liter is 1.2 ounces, meaning to make one pound (16 oz) it would take 13 1/3 liters of water.

For 2.5 pounds, it would be 2.5*16, or 40-- 40 liters for 2.5 pounds of salt.

40 liters in (U.S.) gallons is 40/ (approximately) 3.785 , or 10.5680, 10.6

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aleksklad [387]

Answer:

The answer is option C.

Step-by-step explanation:

The lines are neither parallel nor perpendicular

Hope this helps you

7 0
3 years ago
The sample mean for these data is = 3.74 ounces. The dotplot below shows the
ladessa [460]

The margin of error is obtained as the ratio of the standard deviation and the square root of the sample size. It is a measure of the amount of difference that is expected to exist between the actual population value and the value obtained from the sample.

  • <em>Margin of Error = ±0.01</em>

<u>Margin of Error can be calculated using the relation</u> :

  • Margin of Error = σ/√n

Margin of Error = 0.228 ÷ √500 = 0.010

Therefore. the margin of error can be interpreted to mean that the value of the mean obtained from the sample is expected to differ from the mean of the population weight by ±0.01

Learn more :brainly.com/question/13218948

5 0
3 years ago
The height of a cone is twice the radius of its base.
amm1812

Answer:

The correct answer is option 1. \frac{2}{3} \pi x^3 cubic units.

Step-by-step explanation:

The formula for the volume, V of a right angled cone is given as:

V = \dfrac{1}{3} \pi r^{2} h ...... (1)

Where, \pi = 3.14

r is the radius of the circular base of the cone.

h is the height of the cone.

We are given that height is twice of the radius of its base.

Let the radius of base = x units

Now, As per the question statement,

The height of cone= 2 \times x units

Putting the values of r, h in equation (1) to find the volume:

\Rightarrow \dfrac{1}{3} \times \pi \times x^{2} \times 2x\\\Rightarrow \dfrac{2}{3}\pi x^{3}

Hence, the correct answer is option 1. \dfrac{2}{3}\pi x^{3} cubic units.

3 0
3 years ago
A sixth's grader class had 12 boys and 24 girls. Write two more statements comparing the number of boys in class to the number o
ahrayia [7]
The ratio of boys to girls is
12:24
(which is already one statement)
the ratio, simplified, is
1:2
(ratio are like fractions, which is how I was able to "simplify" it)
7 0
3 years ago
Read 2 more answers
A company provides a monthly pension to its employees. A person retiring at 62 retires and receives a full monthly pension. If t
IRISSAK [1]

Answer:

  • <em><u>The reduction is 8.6%</u></em>

Explanation:

Call F the full monthly pension of a person retiring at 62.

If a person continues to work the pension grows at a rate of 6% per year, compounded monthly, so use the compounded growing formula:

  • Pension=F(1+r/12)^{12t}

Where r = 6 / 100 = 0.06, and t = number of years after retirement.

<u>For retirement at 65.5</u>:

  • t = 65.5 - 62 = 3.5

  • Pension=F(1+0.06/12)^{12\times 3.5}=1.233F

<u>For retirement at 67</u>:

  • t = 67 - 62 = 5

  • Pension=F(1+0.06/12)^{12\times 5}=1.349F

<u>Percent reduction of people who retire at 65.5 compared to what they would receive at 67</u>:

  • (1.349F-1.233F)\times 100/(1.349F)=8.6\%
8 0
3 years ago
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