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slavikrds [6]
3 years ago
14

An airplane mechanic stands on a runway with a horizontal distance of 28 feet from the base of a control tower. The mechanic see

s a pilot in the top of the control tower, 25 feet from the ground. Find the distance (to the nearest tenth of a foot) between the mechanic and pilot.
Distance, to the nearest tenth =
ft.
Mathematics
1 answer:
Dovator [93]3 years ago
8 0

Answer:

The distance to the nearest tenth of a foot between the mechanic and pilot is 37.5 ft.

Step-by-step explanation:

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In the probability distribution to the​ right, the random variable X represents the number of marriages an individual aged 15 ye
kodGreya [7K]

The table of the probability is missing, so i have attached it.

Answer:

μ = 0.919

The interpretation of this is that;on the average, an individual aged 15 years or older has been involved in 0.919 marriages.

Step-by-step explanation:

The expected value which is also called mean value is denoted by the symbol μ. It is defined as the sum of the product of each possibility x with it's probability P(x) as the formula;

μ = Σx.P(x) = (0 × 0.272) + (1 × 0.575) + (2 × 0.121) + (3 × 0.027) + (4 × 0.004) + (5 × 0.001)

μ = 0.919

Thus, the interpretation of this is that;on the average, an individual aged 15 years or older has been involved in 0.919 marriages.

5 0
3 years ago
Someone please help me
Mars2501 [29]

Answer:

x=-1,-2

Step-by-step explanation:

Multiply the given equation with (x+1) on both sides. We'll get,

x+2/x=-3

or,x^2+2=-3x

or,x^2+3x+2=0

or,x^2+2x+x+2=0

or,x(x+2)+1(x+2)=0

or,(x+2)(x+1)=0

or,x=-2,-1

4 0
3 years ago
PLEASE HELP ASAP!! You used your new smart watch to record your heart rate every morning for 15 days. Select the dot plot that r
Artyom0805 [142]

The dot-plot for the data is sketched at the end of this answer.

--------------------------

  • The dot plot shows the <u>number of times each measure appears in the data-set.</u>

<u />

  • 68 appears once, thus it is 1 in the dot-plot.
  • 69 appears three times, thus it is 3 in the dot-plot.
  • 70 appears once, thus it is 1 in the dot-plot.
  • 71 does not appears, so it is 0.
  • 72 appears once, thus it is 1 in the dot-plot.
  • 73 appears five times, so it is 5 in the dot-plot.
  • 74 appears once, thus it is 1 in the dot-plot.
  • 75 does not appears, so it is 0.
  • 76 appears twice, thus it is 2.
  • 77 appears once, so it is 1.

The sketch is given at the end of this answer.

A similar problem is given at brainly.com/question/24908406

8 0
2 years ago
What is the sum of 0.09 and 0.22
iren [92.7K]
I think the answer is 0.31! 
7 0
3 years ago
Read 2 more answers
By what percent will the fraction change if its numerator is increased by 25% and its denominator is increased by 20%? please an
d1i1m1o1n [39]
<h2>Answer:</h2><h2>The new fraction will chnage by 1.25 : 1.2 ratio, (i.e) = 1.04 %</h2>

Step-by-step explanation:

Let the fraction be represented as \frac{x}{y} where x is the numerator and y is the denominator

Given that numerator will increase by 25 %, = 25% x

   = 0.25 x

Given that denominator will increase by 20 %, = 20% y

   = 0.2 y

The new fraction becomes  = \frac{x + 0.25 x}{y + 0.2 y}

= \frac{1.25 x}{1.2 y}

= (\frac{1.25}{1.2} ) \frac{x}{y}

The new fraction will chnage by 1.25 : 1.2 ratio, (i.e) = 1.04 %

5 0
3 years ago
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