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3 years ago

A traffic helicopter descends 200 meters to be 477 meters above the ground, as illustrated in the diagram to the right. Write an

Mathematics

1 answer:

Sedbober [7]3 years ago

7 0

Answer:

H-200=477 H=677

Step-by-step explanation:

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Solve for t.<br><br> −3t≥39<br> Enter your answer as an inequality in the box.

Flauer [41]

Answer:

$t\leq -13$

Step-by-step explanation:

Given inequality is $−3t\geq39$

Simplifying:

$-t\geq \frac{39}{3}$

$=>-t\geq13$

Sign of the inequality changes of making both sides negative.

$=>t\leq -13$

Hence the solution for the given inequality is represented by $t\leq -13$

This means that the original inequality will be true only for those values of t which are less than or equal to -13.

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3 years ago

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A 70-foot wire attached to the top of a building is anchored to the ground 20 feet from the base of the building. Which value is

JulijaS [17]

Answer:

The the angle which the wire make with the ground is 1.280 radian .

Step-by-step explanation:

Given as :

The length of the wire attached to the top of building = OB = 70 foot

The distance of wire anchored from base of ground = OA = 20 feet

Let the angle made by wire en and ground = Ф

Now from , In Triangle AOB

Cos angle = $\dfrac{\textrm Base}{\textrm Hypotenuse}$

Or, Cos Ф = $\dfrac{\textrm OA}{\textrm OB}$

or, Cos Ф = $\dfrac{\textrm 20}{\textrm 70}$

Or, Cos Ф = $\dfrac{\textrm 2}{\textrm 7}$

∴ Ф = $Cos^{-1}(\frac{2}{7})$

I.e Ф = 73.39°

Now in radian ,

∵ 180° = $\pi$ radian

∴ 73.39° = $\frac{\pi }{180}$ × 73.39°

= $\frac{3.14 }{180}$ × 73.39° = 1.280 radian

Hence The the angle which the wire make with the ground is 1.280 radian . Answer

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3 years ago

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Diego Is filling a 1- gallon jug With tea and lemonade. the total amount is less than 1 gallon. what could be the two different

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What do you set each term equal to in order to solve for all of the "roots" of a function? No links please :)

Citrus2011 [14]

Answer:

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Step-by-step explanation:

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saul85 [17]

Answer:

I could try.

Step-by-step explanation:

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