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fenix001 [56]
2 years ago
7

an airplane can travel 550 mph in still air. if it travels 3498 miles with the wind in the same length of time it travels 3102 m

iles against the wind, what is the speed of the wind?
Mathematics
1 answer:
Nezavi [6.7K]2 years ago
4 0

Answer:

The 20 mph headwind slows the plane down. This is because the headwind comes at the head of the plane and goes in the opposite direction of the plane.

So the plane's actual speed (with the wind included) is 550-20 = 530 mph.

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Ordered 0.5 mg of Digoxin. 250 mcg scored tablets are available. How many tablets?
kozerog [31]
1 mg = 1000 mcg
so
0.5 mg = 1000*0.5 = 500 mcg = \frac{500\, mcg}{250\, mcg/tablet}= 2\, tablets
7 0
3 years ago
Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.
kirza4 [7]

Answer:

Area of the region = 15.03 in²

Step-by-step explanation:

Area of region between a regular hexagon with sides 6" and circle inscribed.

So Area of region = Area of regular hexagon - area of circle

Now area of regular hexagon = \frac{3a^{2} \sqrt{3}}{2}

where a = side of the hexagon = 6"

Now area of regular hexagon = \frac{3(6^{2})\sqrt{3}}{2}=\frac{108\sqrt{3}}{2} = 93.53 square in.

Area of circle inscribed = πr²

Here r is the radius of the circle = \sqrt{6^{2}-3^{2}}=\sqrt{36-9}

r = 5"

So area of the inscribed circle = π(5)² = 3.14(25) = 78.5 square in.

Now area of region = 93.53 - 78.5 = 15.03 in²

5 0
3 years ago
4/5x + 7= 10 what's the value of x?​
GREYUIT [131]

Answer:

15/4

Step-by-step explanation:

3 0
2 years ago
Which of the following relations are not functions? Select all that apply.  {(1, 3), (3, 7), (5, 11), (7, 15), (9, 19)}  {(1,
zavuch27 [327]

Given:

7 relations are given.

To find:

The relation which is not a function.

Step-by-step explanation:

A relation is called function if there exist unique output for each input.

It means, each x-value has only one y-value.

{(1, 3), (3, 7), (5, 11), (7, 15), (9, 19)}, it is a function.

{(1, 3), (1, 7), (5, 11), (5, 15), (9, 19)}, it is not a function because there exist two y-values y=3 and y=7 at x=1.

{(−2, 4), (−1, 1), (0, 0), (1, 1), (2, 4)}, it is a function.

{(2, 4), (1, 1), (0, 0), (1,−1), (2, −4)},it is not a function because there exist two y-values y=4 and y=-4 at x=2.

{(6, 3), (4, 1), (2, 1), (0,−1), (−2,−3)}, it is a function.

{(1, 3), (3, 7), (3, 11), (7, 15), (9, 19)}, it is not a function because there exist two y-values y=7 and y=11 at x=3.

{(1, 3), (3, 7), (5, 11), (9, 15), (9, 19)}, it is not a function because there exist two y-values y=15 and y=19 at x=9.

Therefore, the correct options are 2, 4, 6 and 7.

8 0
3 years ago
The function f(x) = 20(3)^x represents the growth of a fish population every year in a local lake. Jesse wants to manipulate the
valentina_108 [34]
We need the exponents law

a^{bx}=(a^b)^x
So if 
a=3
b=1/2

then
3^{1/2*x}=(3^{1/2})^x
where x represent every half a year.
3 0
3 years ago
Read 2 more answers
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