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3 years ago

The side lengths of a triangle are 5, 3, and 4. Is this a right triangle?

Mathematics

2 answers:

MrMuchimi3 years ago

7 0

Answer:

Step-by-step explanation:

Let me know if this help you IM not too sure but im sure its B but without the graph its little bit hard

andreyandreev [35.5K]3 years ago

6 0

Answer:

Step-by-step explanation:

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A street light is mounted at the top of a 15-ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 4 ft/s along

mina [271]

Answer:

The tip of the man shadow moves at the rate of $\frac{20}{3} ft.sec$

Step-by-step explanation:

Let's draw a figure that describes the given situation.

Let "x" be the distance between the man and the pole and "y" be distance between the pole and man's shadows tip point.

Here it forms two similar triangles.

Let's find the distance "y" using proportion.

From the figure, we can form a proportion.

$\frac{y - x}{y} = \frac{6}{15}$

Cross multiplying, we get

15(y -x) = 6y

15y - 15x = 6y

15y - 6y = 15x

9y = 15x

y = $\frac{15x}{9\\} y = \frac{5x}{3}$

We need to find rate of change of the shadow. So we need to differentiate y with respect to the time (t).

$\frac{dy}{t} = \frac{5}{3} \frac{dx}{dt}$ ----(1)

We are given $\frac{dx}{dt} = 4 ft/sec$ . Plug in the equation (1), we get

$\frac{dy}{dt} = \frac{5}{3} *4 ft/sect\\= \frac{20}{3} ft/sec$

Here the distance between the man and the pole 45 ft does not need because we asked to find the how fast the shadow of the man moves.

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Jaya is the middle of three siblings whose ages are consecutive even integers. If the sum of their ages is 84,find Jaya’s age

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Explanation:
I know I’m right, I hope you have a amazing day

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2 years ago

What do you think was the porpuse of this advertisement?

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2. Mia is making a set of clay bowls. Each bowl requires 3 /4 pound of clay. She has 5_ 5/ 6 pounds of clay. How many complete b

andreyandreev [35.5K]

Answer: 7 bowls

Step-by-step explanation:

5_ 5/6 divided by 3/4 equals 7.77777

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2 years ago

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