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LUCKY_DIMON [66]
3 years ago
11

Select the correct answer. Which pair of functions is not a pair of inverse functions?

Mathematics
2 answers:
Bess [88]3 years ago
5 0

Answer:..

Step-by-step explanation:b

agasfer [191]3 years ago
4 0

Answer:

the answer is a

Step-by-step explanation:

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Suppose systolic blood pressure of 17 year female is approximately distributed with a mean of 118mmHg and a standard deviation o
Artemon [7]

Answer:

a) 0.383

b) 0.375

Step-by-step explanation:

a) Calculate each z-score.

z = (x − μ) / σ

z₁ = (112 − 118) / 12 = -0.5

z₂ = (124 − 118) / 12 = 0.5

Use a calculator or z-score table to find the probability.

P(-0.5 < Z < 0.5) = 0.6915 − 0.3085 = 0.383

b) 0.383 × 16 ≈ 6.  So the expected proportion would be 6/16 = 0.375.

8 0
3 years ago
Your family is installing a new square pool in the backyard. The existing patio has a side length of 8 feet. How much of the pat
trasher [3.6K]

The question is an illustration of perimeters.

The amount of patio to remove to install the pool is 8 feet.

From the question, we have:

\mathbf{Length\ of\ the\ pool = 8}

\mathbf{Length\ of\ walkway = 1}

The perimeter of the patio is:

\mathbf{P_p = 4 \times Length\ of\ the\ pool}

\mathbf{P_p = 4 \times 8}

\mathbf{P_p = 32}

A 1ft walkway means that;

1ft would be subtracted from both sides of the patio before installing the pool

So, the perimeter of the patio in terms of the length of the pool is:

\mathbf{P_p = 4 \times (x  +2)}

Equate both expressions

\mathbf{P_p = P_p}

\mathbf{4 \times (x  +2) = 32}

Divide both sides by 4

\mathbf{x  +2 = 8}

Subtract 2 from both sides

\mathbf{x = 6}

So, the perimeter of the pool is:

\mathbf{P_{pool} = 4 \times 6}

\mathbf{P_{pool} = 24}

The amount of patio to remove is:

\mathbf{Amount = P_p - P_{pool}}

So, we have:

\mathbf{Amount = 32 - 24}

\mathbf{Amount = 8}

Hence, 8ft of the patio would be removed to install the pool

<em>See attachment for illustration</em>

Read more about perimeters at:

brainly.com/question/6465134

7 0
1 year ago
A spaceship weighs 410,000 kg. what is this number, without units, in scientific notation?
Nesterboy [21]

Answer:

<h3>4.1 x 10^5</h3>

Step-by-step explanation:

10^5 = 100,000 x 4.1 = 410,000

7 0
2 years ago
Divide 33 photos into two groups so the ratio is 4to7
Mashutka [201]
3 multiplied by 4 is 12 
<span>3 multiplied by 7 is 21 </span>

<span>that is how the photos are split 4:7</span>
6 0
3 years ago
Read 2 more answers
Which equation represents the following situation? The difference of three times a number
Harrizon [31]
The answer is y=-3*x .
3 0
2 years ago
Read 2 more answers
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