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3 years ago

A town plans to put a triangular garden in the town square. The base of the garden will be 9 m, and the height will be 16 m.

Mathematics

2 answers:

cluponka [151]3 years ago

6 0

Answer:

The area of the triangular garden is $72\ m^{2}$

Step-by-step explanation:

we know that

The area of the triangular garden is equal to

$A=\frac{1}{2}bh$

we have

$b=9\ m$

$h=16\ m$

substitute

$A=\frac{1}{2}(9)(16)=72\ m^{2}$

Alchen [17]3 years ago

4 0

Its 72 m2 im sure hope this helps

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A plane takes off from an airport and flies at a speed of 400km/h on a course of 120° for 2 hours. the plane then changes its co

butalik [34]

Answer:

Distance from the airport = 894.43 km

Step-by-step explanation:

Displacement and Velocity

The velocity of an object assumed as constant in time can be computed as

$\displaystyle \vec{v}=\frac{\vec{x}}{t}$

Where $\vec x$ is the displacement. Both the velocity and displacement are vectors. The displacement can be computed from the above relation as

$\displaystyle \vec{x}=\vec{v}.t$

The plane goes at 400 Km/h on a course of 120° for 2 hours. We can compute the components of the velocity as

$\displaystyle \vec{v_1}=$

$\displaystyle \vec{v_1}=\ km/h$

The displacement of the plane in 2 hours is

$\displaystyle \vec{x_1}=\vec{v_1}.t_1=.(2)$

$\displaystyle \vec{x_1}=km$

Now the plane keeps the same speed but now its course is 210° for 1 hour. The components of the velocity are

$\displaystyle \vec{v_2}=$

$\displaystyle \vec{v_2}=km/h$

The displacement in 1 hour is

$\displaystyle \vec{x_2}=\vec{v_2}.t_2=.(1)$

$\displaystyle \vec{x_2}=km$

The total displacement is the vector sum of both

$\displaystyle \vec{x_t}=\vec{x_1}+\vec{x_2}=+$

$\displaystyle \vec{x_t}=km$

$\displaystyle \vec{x_t}=$

The distance from the airport is the module of the displacement:

$\displaystyle |\vec{x_t}|=\sqrt{(-746.41)^2+492.82^2}$

$\displaystyle |\vec{x_t}|=894.43\ km$

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Which of the following statements is true?

gladu [14]

Answer:

Step-by-step explanation:

The answer is C.

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The sales tax rate in a certain state is 8%. How much would you pay in total for a taxable item that costs $25.25?

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Anna35 [415]

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