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3 years ago

an equilateral triangle has a side length of 20 feet. determine the length of an altitude of the triangle

Mathematics

1 answer:

qwelly [4]3 years ago

4 0

Answer:

20 feet

Step-by-step explanation:

I believe that since it is an equilateral triangle, all sides are equal, making 20=20

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thunder from a bolt of lightning travels 1/10 mile in 1/2 second at this rate how many miles can a travel in one second

frutty [35]

Answer:

It travels 1/5 mile in one second

Step-by-step explanation:

1/10 * 2 = 2/10 = 1/5

Since the bolt of lightning travels 1/10 mile in half a second, then to find how much it travels in one a second you simply multiply 1/10 by 2, which equals 2/10, which can be simplified to 1/5.

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3 years ago

Find the missing side

Lapatulllka [165]

Answer:

Step-by-step explanation:

$\sqrt{61}$

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A lawnmower was purchased for rupees 1100 and rupees 50 were paid as transportation charges. It was sold at a 14% profit. Find i

nevsk [136]

Answer: 161 rupees.

Step-by-step explanation:

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4 years ago

Five out of 10 marbles in a bag are red. What percentage of the marbles are not red?

Jlenok [28]

Answer:

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Step-by-step explanation:

Five out of 10 is 50%

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4 years ago

Read 2 more answers

A line that has a rise of -34 and a run of 20.

aleksandr82 [10.1K]

Answer:

$y=-1.7x-34$

Step-by-step explanation:

An equation of a line is given $y=mx+c$ , where m is the gradient or $\frac{Rise}{Run}$

The rise indicates the change in value of y (vertical change in the graph).

The run indicates the change in value of x (horizontal change in the graph).

Let point 1 of the graph be (x,y) = (0,-34) and point 2 be (x,y) = (20,0).

$m =\frac{Rise}{Run} \\ =\frac{-34}{20}\\ =-1.7$

Substitute point 1 into the graph to get the constant c.

$y=mx+c$

$-34=(-1.7)*(0)+c$

$c=-34$

∴ The equation of the line is, $y=-1.7x-34$

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3 years ago