3 years ago

Could you guys please help me solve this basic math. PLS OMG ITS DUE :(

Mathematics

1 answer:

marysya [2.9K]3 years ago

8 0

Answer:

21÷-3=-7

I dont know what all those extra boxes are for but I hope I helped a little

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Step-by-step explanation:

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A rope tied from a tent pole to a take in the ground forms 55 degrees angle with the ground. The pole is 3 feet from the stake,

grin007 [14]

Given:

A rope tied from a tent pole to a stake in the ground forms 55 degrees angle with the ground.

The pole is 3 feet from the stake.

To find:

The length of the rope to the nearest tenth of a foot.

Solution:

First draw a diagram according to the given information as shown below.

We know that, in a right angled triangle,

$\cos \theta = \dfrac{Base}{Hypotenuse}$

In triangle ABC,

$\cos 55^\circ=\dfrac{BC}{AC}$

$0.573576=\dfrac{3}{AC}$

$AC=\dfrac{3}{0.573576}$

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3 years ago

(5m+1)x^2 - 8ax + 3a

Inessa [10]

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(5m+1)x^2-8ax+3a

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