3 years ago

Help??

Mathematics

2 answers:

ki77a [65]3 years ago

6 0

The answer is B, 5h. I took the test.

KatRina [158]3 years ago

4 0

It’s 5h because you aren’t adding homework, subtracting homework or dividing homework

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<img src="https://tex.z-dn.net/?f=2x%5E%7B2%7D%20-%2014x%20%2B%2024" id="TexFormula1" title="2x^{2} - 14x + 24" alt="2x^{2} - 14

s344n2d4d5 [400]

Answer:

Factorized

$=(2x-8)(x-3)$

Roots : 4 , 3

Step-by-step explanation:

If it is to factorize :

$2x^2 - 14x + 24 = 2x^2 -6x-8x +24$

$=2x(x-3)-8(x-3)\\=(2x-8)(x-3)$

If it is to solve for x :

$2x^2 -1 4x + 24 = 0\\(2x-8)(x-3)=0\\2x - 8 = 0 \ , \ x - 3 = 0\\2x = 8 \ , \ x = 3\\x = 4 , 3$

6 0

2 years ago

Identify each matrix A such that A^2 has identical diagonal elements?

Maksim231197 [3]

Answer:

The correct matrices are:

Matrix:

7 1 5

1 5 7

5 7 1

all diagonal elements of A^2 are: 7^2 + 1^2 + 5^2

Matrix:

9 18 27

27 -9 18

18 27 9

all diagonal elements of A^2 are: 9^2 + 27*18 + 18*27 or (-9)^2

Matrix:

8 1 6

6 8 1

1 6 8

all diagonal elements of A^2 are: 8^2 + 6*1 + 1*6

6 0

3 years ago

I really need help with this thank you

eduard

Answer:

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8 0

2 years ago

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How to solve 3/2 -3/2 ×1/6

mariarad [96]

Answer:

Step-by-step explanation:

3/2 minus 3/2 is 0, then multiply 0 by 1/6 and you get 0

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3 years ago

Use the linear combination method to add the system of equations and create a one-variable equation. x – 5y = 6 –x + 2y = –3 Whi

lozanna [386]

Answer:

Step-by-step explanation:

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2 years ago

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