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Gekata [30.6K]
3 years ago
12

Substitute the given values into the formula, and solve for the unknown variable.

Mathematics
1 answer:
Alla [95]3 years ago
3 0

Answer:

h=\frac{1}{6}

Step-by-step explanation:

Given:

A=\frac{1}{2h} (B+b)\\

A=21, B=2, b=5 ,h= ?

We have to find the value of  'h'

So, putting the given values in the equation to find the value of 'h'.

          A=\frac{1}{2h} (B+b)

Implementing the given values in the given equations:

         

                              21=\frac{1}{2h}(2+5)\\\\ 21=\frac{1}{2h} (7)\\\\\frac{1}{2h}=\frac{21}{7}\\\\  \frac{1}{2h}=3 \\\\h=\frac{1}{6}

So, the value of 'h' is

                       h=\frac{1}{6}

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A submarine is searching for underwater features. It is accompanied by a small aircraft
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Answer:

255 m

Step-by-step explanation:

From the given question, the surface of the water body is the reference point. And this point is assumed to be 0, so that any distance above it is positive, and any distance below is negative. This is synonymous to the number line system.

Thus,

For the aircraft, its height = +200 m

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So that the difference between the submarine and aircraft can be determined as;

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Answer:

z = 120º

Step-by-step explanation:

t + 2t + t + 2t = 360º

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t = 60

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Bryce is looking at a map of a theme park. The map is laid out in a coordinate system. Bryce is at (2, 3). The roller coaster is
Sunny_sXe [5.5K]

Answer:

Bryce is closer to the <u>roller coaster</u> as compared to the water ride.

Step-by-step explanation:

Given :

Bryce is at point (2,3)

Roller coaster is at point (7,8)

Water ride is at point (9,1)

To find whether Bryce is closer to roller coaster or the water ride.

Solution.

In order to determine the closeness of Bryce from either of the two rides, we will need to find the distance of Bryce from each of them. We can apply distance formula in order to do so.

By distance formula to find distance between two points (x_1,y_1) and (x_2,y_2).

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Distance between Bryce (2,3) and roller coaster (7,8) can be given as:

d_1=\sqrt{(7-2)^2+(8-3)^2}

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d_1=\sqrt{25+25}

d_1=\sqrt{50}

d_1=7.07 units

Distance between Bryce (2,3) and water ride (9,1) can be given as:

d_2=\sqrt{(9-2)^2+(1-3)^2}

d_2=\sqrt{(7)^2+(-2)^2}

d_2=\sqrt{49+4}

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d_2=7.28 units

Thus, we can see that Bryce is closer to the roller coaster as compared to the water ride.

3 0
3 years ago
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