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Sliva [168]
3 years ago
13

A person who is 5.8 feet tall is standing in a pool. The top of the person's head is 1.6 feet above the surface of the water. Ho

w deep is the pool? Write your answer as a decimal.
Mathematics
1 answer:
statuscvo [17]3 years ago
6 0
Since the top of the person's head is above the water (by 1.6 feet), that means the water is less than 5.8 feet (the person's height).
So we have to subtract 5.8 - 1.6, and I believe the answer will be 4.2 feet.
The pool is 4.2 feet deep :)
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A population of 1,750 cheetahs decreases by 10% per year. How many cheetahs will there be in the population after 11 years? Roun
Triss [41]

Answer:

The answer is C. 546.

If a population decreases by 11%, that means that 89% (100% - 11% = 89%) of cheetahs remains each number. 89% can be expressed as 0.89, so to calculate the change of the population, we must each year multiply the number of cheetahs by 0.89.

After 1 year:     1750 * 0.89 ≈ 1558

After 2 years:  1558 * 0.89 ≈ 1387

After 3 years:  1387 * 0.89 ≈ 1234

After 4 years:  1234 * 0.89 ≈ 1098

After 5 years:  1098 * 0.89 ≈ 977

After 6 years:  977 * 0.89 ≈ 870

After 7 years:  870 * 0.89 ≈ 774

After 8 years:  774 * 0.89 ≈ 689

After 9 years:  689 * 0.89 ≈ 613

After 10 years:  613 * 0.89 ≈ 546

Step-by-step explanation:

4 0
2 years ago
Which function represents a vertical stretch of an exponential function
GalinKa [24]
Vertical stretch means the graph stretches upward, rising more rapidly than the original, the graph is steeper than the original. 
7 0
3 years ago
If one redskin and 4 golden roughs cost $1.65, whereas 2 redskins and 3 golden roughs cost $1.55, how much does each type or swe
Bas_tet [7]

Answer:

Redskins cost $0.25 and golden roughs cost $0.35.

Step-by-step explanation:

Let r be the cost of a redskin and g the cost of golden roughs. So we have the system of equations:

r + 4g = 1.65

2r + 3g = 1.55

Multiply the first equation by -2:

-2r - 8g = -3.30

Adding this to the second equation:

-5g = -1.75

g = 0.35.

Now substitute this into the first equation:

r + 4*0.35 = 1.65

r  = 1.65 - 1.40

r = 0.25.

5 0
3 years ago
You scored 12, 8, 15, and 21 points during your first four basketball games. Find your mean score per game
lapo4ka [179]

Given:

You scored 12, 8, 15, and 21 points during your first four basketball games.

To find"

The mean score per game.

Solution:

We have,

Observations =12, 8, 15, and 21 points

Number of observations = 4

We know that,

\text{Mean}=\dfrac{\text{Sum of the observations}}{\text{Number of observations}}

The mean score per game is

\text{Mean}=\dfrac{12+8+15+21}{4}

\text{Mean}=\dfrac{56}{4}

\text{Mean}=14

Therefore, the mean score per game is 14 points.

5 0
3 years ago
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serg [7]

Answer:

1 3/8

Step-by-step explanation:

5 0
2 years ago
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