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3 years ago

What is this? I don’t know the answers plz help

Mathematics

2 answers:

N76 [4]3 years ago

6 0

Answer:

Step-by-step explanation:

Matrices can be multiplied together if the number of columns in the first matrix equals the number of rows in the second matrix.

A is of order (3 × 2) and B of order (2 × 3 )

Since the 2 in the first and the 2 in the second match , the matrices can be multiplied

The resulting matrix is of order (3 × 3 )

This is obtained from the first 3 in order of A and the second 3 in order of B

Then AB is defined and the resultant matrix is of order 3 × 3

Nataliya [291]3 years ago

3 0

Answer:

Step-by-step explanation:

Not defined

May be iylt help you

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The lengths of the sides of a triangle are given below. Classify the triangle as acute, obtuse, or right.

abruzzese [7]

Answer:

A. Acute Triangle

Step-by-step explanation:

Lets verify with Pythagorean:

17² = 289
13² + 14² = 169 + 196 = 365
289 < 365

The angle opposite to a greater side is less than 90° and the sum of the squares are close.

It means all three angles are less than 90°.

With this the triangle is acute.

Correct choice is A.

6 0

3 years ago

The distance between the points (12,9) and (0,4) is A) 14 units B) 13 units C) 15 units D) 16 units

Juliette [100K]

Answer:

Option B 13 units is correct.

Step-by-step explanation:

The formula used to find distance between 2 points is:

$d(P1,P2)=\sqrt{(x_{2} -x_{1})^2 + (y_{2} -y_{1})^2 }$

x₁ = 12 x₂ = 0 y₁= 9 and y₂=4

Putting values in the formula:

$=\sqrt{(0-12)^2+(4-9)^2}\\=\sqrt{(-12)^2+(-5)^2}\\=\sqrt{144+25} \\=\sqrt{169} \\=13$

So, Option B 13 units is correct.

6 0

3 years ago

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Sindrei [870]

Answer:

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Step-by-step explanation:

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8 0

3 years ago

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I’m about to cry from frustration. Help please before I die

kvv77 [185]

Answer:

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