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denis23 [38]
2 years ago
6

¿Qué es un sistema de ecuaciones de 2x2? ¿Para qué sirve y cuáles son sus usos en el área científica?

Mathematics
1 answer:
Tanya [424]2 years ago
6 0

Answer:

4

Step-by-step explanation:

2x2=4

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Okay so I'm working on solving equations<br><img src="https://tex.z-dn.net/?f=%20-%2015x%20%2B%205%20%3D%20%20-%2010x%20%2B%2025
Ksenya-84 [330]

Answer:

x = -4

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

-15x + 5 = -10x + 25

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Add 15x on both sides:                    5 = 5x + 25
  2. Subtract 25 on both sides:              -20 = 5x
  3. Divide 5 on both sides:                   -4 = x
  4. Rewrite:                                             x = -4
8 0
2 years ago
Which of the following is not a tool that can be used in a true Geometric construction? a)Protractor b)Compass c)Straightedge
AleksAgata [21]

Answer:

A) Protractor

Step-by-step explanation:

In Mathematics, geometric constructions refers to the drawing of geometric shapes, lines and angles with the exclusive aid of a pencil, straightedge/ruler and a pair of compass.

The pencil is the major drawing tool during the construction while the pair of compass and straightedge are used to construct arcs/circles and straight lines respectively. Note that, a PROTRACTOR is not needed in a geometric construction because length or angle measurements are prohibited.

4 0
2 years ago
Read 2 more answers
A triangle has two sides that measure 4ft. and 3ft. Which could be the measure of the 3rd side?
Aneli [31]
In order to form a triangle, the third side must be at least greater than the difference of the other two sides
4 - 3 = 1 So the third side must be greater than 1 foot and the third side must be less than the sum of the other two sides
4 + 3 = 7 So, the third side must be less than 7

1 < third side < 7




4 0
3 years ago
How do I solve these for example 3
Natasha2012 [34]
As the three longitudinal lines are parallel:

angle 4 = 5 = 6 = 82 degree (corresponding angles) = 9 = 8 = 7 = 82 degrees (vertical angles)

and

angle 11 = 180-82= 98 degrees (linear pair)

so:

angle 10 = 11 = 12 = 98 degrees (corresponding angles) = 3 = 2 = 1 = 98 degrees (vertical angles)
.


hope you got it
8 0
3 years ago
Look
pochemuha

Answer:

Have mercy on me, have mercy on my soul

Don't let my heart turn cold

Have mercy on me, have mercy on my soul

Don't let my heart turn cold

Have mercy on many men

Many, many, many, many men

Wish death 'pon me

Yeah, I don't cry no mo'

I don't look to the sky no mo'

'Cause I got it on me

I got it on me

I got it on me

You can run up if you want

Mercy on me

Step-by-step explanation:

I love that song

3 0
3 years ago
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