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3 years ago

14

PLEASE ANSWER + BRAINLIEST!!!

1 answer:

avanturin [10]3 years ago

3 0

We know that
applying the law of sines
50/sin 40=60/sin x
50*sin x=60*sin 40
sin x=[60*sin 40]/50
sin x=0.7713
x=arc sin (0.7713)----> x=50.47°--------> x=50.5°

the answer is
x=50.5 °

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PLEASE PLEASE HELP!!!GIVING BRAINLEIST!! RESPOND IN 5 MIN FOR POINTS!!❤️

Mamont248 [21]

Step-by-step explanation:

The error carolyn has made is that she hasn't subtracted properly.

2x + 3y - (2x +6y) = 2x - 2x + 3y - 6y = -3y.

Carolyn probably didn't use parentheses...

To do the thing in substitution, we single out x or y in any equation. In this case, i'm gonna single out the x in the 2nd eqn. In other words, i'll make x the subject of the 2nd eqn.

2x + 6y = 10

2x = 10 - 6y

x = 5 - 3y

Now we simply plug in 5 - 3y wherever x apperas in the 1st equation.

2 (5-3y) + 3y = 8

10 - 6y + 3y = 8

10 - 3y = 8

-3y = -2

y = 2/3

Then x = 5 - 3*2/3 = 3

x=3

y=2/3

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3 years ago

There are exactly 1,944 of the 12-, or 0.5-, cubes inside a rectangular prism.

drek231 [11]

The volume of the rectangular prism is 3359232 cubic centimeters

<h3>How to determine the volume?</h3>

The length of the cube is given as:

Length, l = 12 cm

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The volume of 1944 cubes is then calculated as:

Volume = 1728 * 1944

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Volume = 3359232

Hence, the volume of the rectangular prism is 3359232 cubic centimeters

Read more about volumes at:

brainly.com/question/1972490

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<h3>Complete question</h3>

There are exactly 1,944 of the 12 cm, or 0.5 foot cubes inside a rectangular prism. What is the volume of the rectangular prism in cubic centimeters?

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Fittoniya [83]

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