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3 years ago

How many triangles exist with the given side lengths?7 in, 7 in, 7 in

Mathematics

1 answer:

LekaFEV [45]3 years ago

3 0

1 triangle, it would be an equilateral one.

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The length of an arc of a circle is 7.34 units, and the measure of the corresponding central angle is 81 degrees. What is the ap

GuDViN [60]

Answer:

A. 5.19 units

Step-by-step explanation:

$\textsf{Arc length}=2 \pi r\left(\dfrac{\theta}{360^{\circ}}\right) \quad \textsf{(where r is the radius and}\:\theta\:{\textsf{is the angle)}$

Given:

$\theta$ = 81°
Arc length = 7.34 units

Substituting given values into the equation and solving for r:

$\implies 7.34=2 \pi r\left(\dfrac{81^{\circ}}{360^{\circ}}\right)$

$\implies 7.34=r\left(\dfrac{18 \pi}{40}\right)$

$\implies 7.34 \cdot 40=18 \pi r$

$\implies 293.6=18 \pi r$

$\implies r=\dfrac{293.6}{18 \pi}$

$\implies r=5.19 \sf \: units \:(2\:dp)$

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2 years ago

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N and (2 + 6)<br> What is the answer

AleksandrR [38]

Answer:

Step-by-step explanation:

distribute n between 2 and 6 then add

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3 years ago

Simplify the expression by combining like terms -4f-9-f+15

shusha [124]

Answer:

-5f+6

Step-by-step explanation:

-4f-f = -5f

15-9= 6

Answer is -5f+6

Hope this helps!

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3 years ago

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Please help i’ll mark u brainliest

Fantom [35]

0 19 50 24 that’s as far as I could get

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3 years ago

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X = 2 y = 3 z = 4

NARA [144]

Answer:

Step-by-step explanation:

For example, let's say with have the equation

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3 years ago

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