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telo118 [61]
3 years ago
13

Reggie is planning to visit a clients office. He is taking a plane to get there, and the flight is scheduled to take five hours.

But the flight will be delayed by more than an hour because of bad weather. Reggie wants to call the airport hotel until the hotel manager when he will be arriving at the hotel. The variable X gives the elapsed time between ready schedule departure and his arrival at the hotel. Write an inequality for X, the time that passes between Reggie schedule departure in his arrival at the hotel.
Mathematics
2 answers:
Airida [17]3 years ago
8 0

Answer:

Reggie’s flight time is 5 hours and he expects a delay of more than an hour, so he should tell the manager to expect him at least 6 hours after his scheduled departure. The inequality is given by x > 6.

Step-by-step explanation:

ED menTUm ANSWERS

lilavasa [31]3 years ago
6 0

Answer: <em> x>6</em>

Step-by-step explanation:

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If a population is _______, a sample of the population could be _______.
lord [1]

Answer:

<u>B</u>

Step-by-step explanation:

If a population is the entire school faculty, a sample of the population could be math teachers.

Always remember a sample is a part of the larger group.

7 0
2 years ago
Help? im confused plss!<br> Find the area of the regular polygon with the given radius or apothem
Snezhnost [94]

Answer:

  50 cm²

Step-by-step explanation:

Given that the regular polygon is a square, there are multiple ways you can jump directly to the answer. Perhaps the simplest is to use the formula for the area of a rhombus:

  A = 1/2(d1)(d2)

where d1 and d2 are the lengths of the diagonals. Here, we see that half the diagonal is 5 cm, so the area is ...

  A = (1/2)(10 cm)(10 cm) = 50 cm² . . . . area of the polygon

__

<em>Alternate solution</em>

If you want to use the radius and the number of sides in a formula, you can consider the area of each triangle formed by radii and a side. That triangle has area ...

  A = 1/2r²sin(α)

where r is the radius and α is the central angle. For an n-sided polygon, the area is the sum of n of these triangles, and the central angle is 360°/n. Then the polygon area is ...

  A = n/2·r²·sin(360°/n)

For n = 4 and r = 5 cm, the area is ...

  A = (4/2)(5 cm)²(sin(360°/4)) = 2(5 cm)²(1) = 50 cm² . . . . area of square

_____

<em>Additional comment</em>

The formula is somewhat different if you start with the length of the apothem. One way to find the area is using the above formula and the relation between the radius and apothem:

  r = a·sec(180°/n)

Another formula uses the apothem directly:

  A = n·a²·tan(180°/n)

8 0
2 years ago
What is 3,190,000 in scientific notaion?
dezoksy [38]
3,190,000 is  319 x 10^5 in scientific notation
7 0
3 years ago
Read 2 more answers
Solve for x...........................
yaroslaw [1]

Answer:

Option A is correct, i.e. x = -3, x = 7.

Step-by-step explanation:

Given the equation is x² -4x -21 = 0.

We can compare it with general quadratic equation i.e. ax² +bx +c =0.

then a = 1, b = -4, c = -21.

We can use Quadratic formula as follows:-

x = ( -b ± √(b²-4ac) )/2a

x = ( +4 ± √(16-4*1*-21) )/2*1

x = ( +4 ± √(16+84) )/2

x = ( +4 ± √(100) )/2

x = ( +4 ± 10 )/2

x = (4+10)/2 or x = (4-10)/2

x = 14/2 or x = -6/2

x = 7 or x = -3

Hence, option A is correct, i.e. x = -3, x = 7.

5 0
3 years ago
A train travels 82 kilometers in 2 hours, and then 83 kilometers in 2 hours. What is its average speed?
Sholpan [36]
41.25 kilometers per hour.
4 0
3 years ago
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