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BabaBlast [244]
3 years ago
7

EASY QUESTION, BASIC, FOR 75 AMAZING POINTS!

Mathematics
2 answers:
docker41 [41]3 years ago
6 0
The point P in the triangle is called the centroid. 

⇒<span>The centroid would actually be the center of mass. 

</span>⇒<span>The centroid of a triangle is just <span><span>going to be the average of the coordinates of the vertices.</span></span></span>
balu736 [363]3 years ago
3 0
Point P is the orthocenter of the triangle.
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The measures of the obtuse angles in the isosceles trapezoid are five more than four times the measures of the acute angles. Wri
emmainna [20.7K]

Answer:

a. i. x + y = 180  (1) and  x - 4y = 5   (2)

ii. The two acute angles are 35° each and the two obtuse angles are 145° each.

Step-by-step explanation:

a. The measures of the obtuse angles in the isosceles trapezoid are five more than four times the measures of the acute angles. Write and solve a system of equations to find the measures of all the angles.

i. Write a system of equations to find the measures of all the angles.

Let x be the obtuse angles and y be the acute angles.

Since we have two obtuse angles at the top of the isosceles trapezoid and two acute angles at the bottom of the isosceles trapezoid, and also, since the sum of angles in a quadrilateral is 360, we have

2x + 2y = 360

x + y = 180  (1)

Its is also given that the measures of the obtuse angles in the isosceles trapezoid are five more than four times the measures of the acute angles.

So, x = 4y + 5   (2)

x - 4y = 5   (2)

So, our system of equations are

x + y = 180  (1) and  x - 4y = 5   (2)

ii. Solve a system of equations to find the measures of all the angles.

Since

x + y = 180  (1) and  x - 4y = 5   (2)

Subtracting (2) from (1), we have

x + y = 180  (1)

-

x - 4y = 5   (2)

5y = 175

dividing both sides by 5, we have

y = 175/5

y = 35°

From (1), x = 180° - y = 180° - 35° = 145°

So, the two acute angles are 35° each and the two obtuse angles are 145° each.

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Please help i will give branliest please
melisa1 [442]

Answer:

The answer is 18,700

Step-by-step explanation:

if you add 9,500+ 9,000 you get 18,500 add 200 and your answer is 18,700

5 0
1 year ago
-4.5x(-2) =<br> i need help solving this equation
Mrrafil [7]

Answer:

9x

Step-by-step explanation:

-4.5X(-2)

-4.5x * -2

9x

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3 years ago
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Andrej [43]

Answer:

10/11>9/11>7/11

Step-by-step explanation:

It is 10 out of eleven which is bigger than 9 out of eleven which is bigger than 7 out of eleven.

3 0
3 years ago
You can buy 3 pounds of strawberries for 3.99 at Kroger knowing this what is the unit rate per pound of strawberries and how muc
Varvara68 [4.7K]

Answer:

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Step-by-step explanation:

To find cost per pound, divide cost by pounds.

  3.99/(3 lb) = 1.33/lb . . . . cost per pound

The cost of 5 pounds will be found by multiplying that by 5:

  (1.33/lb)(5 lb) = 6.65 . . . cost of 5 pounds

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