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3 years ago

Mhanifa please help look at the picture attached

Mathematics

2 answers:

worty [1.4K]3 years ago

7 0

Answer:

B. (3, 2)

Step-by-step explanation:

Because it is the "Correct Answer"

olga55 [171]3 years ago

3 0

Answer:

B. (3, 2)

Step-by-step explanation:

Given vertices of triangle:

A(1, 2), B(3, 4), C(5, 0)

The centroid is found as the average of x- and y- coordinates of three vertices:

C = ((x₁ + x₂ + x₃)/3, (y₁ + y₂ + y₃)/3)

Substitute the coordinates into formula:

C = ((1 + 3 + 5)/3, (2 + 4 + 0)/3) = (3, 2)

Correct choice is B

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Find the sum and simplify the following expressions. (s + 12) + (3s – 8)

nika2105 [10]

Answer:

4(s+1)

Step-by-step explanation:

(s+12) + (3s -8)

s+12+(3s-8)

s+12+3s-8

4s+12-8

4s+4

4(s+1)

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3 years ago

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3 years ago

Evaluate 2(x+4)^2 - (3y+5)^3 for x= -3 and y= -1

UNO [17]

2(x+4)^2 - (3y+5)^3
at x=-3 and y=-1

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4 years ago

What kind of triangle does it form?

Gwar [14]

Answer:

It forms a scalene triangle

Step-by-step explanation:

This is because scalene triangle does not have any of its sides equal.

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7 0

3 years ago

What is the determinant of 15 18 154

IgorC [24]

Answer:

The determinant is 15.

Step-by-step explanation:

You need to calculate the determinant of the given matrix.

1. Subtract column 3 multiplied by 3 from column 1 (C1=C1−(3)C3):

$\left[\begin{array}{ccc}-25&-23&9\\0&3&1\\-5&5&3\end{array}\right]$

2. Subtract column 3 multiplied by 3 from column 2 (C2=C2−(3)C3):

$\left[\begin{array}{ccc}-25&-23&9\\0&0&1\\-5&-4&3\end{array}\right]$

3. Expand along the row 2: (See attached picture).

We get that the answer is 15. The determinant is 15.

6 0

3 years ago