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3 years ago

Please help Geometry 30 points plus brainliest ...

Mathematics

1 answer:

stepladder [879]3 years ago

6 0

If you have any questions or need help them please comment. Good luck!

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There are 82 people in a restaurant. Four groups of 3 leave and then five groups of 2 enter. Evaluate the expression 82 - 4(3) +

ZanzabumX [31]

Answer:

Step-by-step explanation:

82-12+10

82+10-12

92-12

4 0

4 years ago

If a triangle has side lengths of 14 centimeters and 18 centimeters and the perimeter is 49 centimeters, how long is the third s

trasher [3.6K]

Answer: 17 centimeters

Step-by-step explanation:

The perimeter of a triangle is all 3 sides added up

x+y+z=p

Substitute 14 in for x, 18 in for y and 49 in for p

14+18+z=49

Add on the left side

32+z=49

Subtract 32 on both sides

z=17

So, the third side is 17 centimeters

Hope this helps! :)

3 0

3 years ago

The Earth’s total diameter is 12700 kilometers, with the solidified, ocean-covered crust that is at its thickest 35 kilometers w

Basile [38]

Answer:

The correct answer is 0.0667 centimeters.

Step-by-step explanation:

Diameter of earth is 12700 kilometers.

Width of the solidified ocean crust is 35 kilometers.

Ratio between the diameter of the earth and the solidified crust is $\frac{12700}{35}$ .

Now the earth is shrunken to a size of a basketball with the diameter as 24.2 centimeters. Let the thickness of the Earth's crust in this model be x centimeters.

Ratio between the diameter of the model earth and the solidified crust is $\frac{24.2}{x}$ .

But this ratio of the real Earth and its model must be equal.

∴ $\frac{12700}{35}$ = $\frac{24.2}{x}$

⇒ x = 0.0667 centimeters.

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4 years ago

The equation that passes through (3,6) and is perpendicular to 3x - 4y = - 2

Ad libitum [116K]

Answer:

A. y=-5/3x+1

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Helppppppp!! Asappp!!!

neonofarm [45]

Answer:

Step-by-step explanation:

It would be 13 because you would square the 5 and 12 to get 25 + 144 which equals 169. Then you would take the square root of 169 which is 13. Hope this helps! :)

3 0

3 years ago