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VladimirAG [237]
3 years ago
8

How big is a acute obtuse and right angles degrees

Mathematics
2 answers:
Lynna [10]3 years ago
7 0
Right angles are 90 degrees
acute angles are less than 90 degrees
obtuse angles are greater than 90 but less than 180
Tanya [424]3 years ago
7 0
An acute angle is less than 90 but more than zero typically 54 degrees
an obtuse angle is more than 90 but less than 180 typically 112 degrees
a right angle is 90 degrees
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Find the product of following:(i) (x+3) (x+2) (ii) (2x-1) (2x-7)​
Inga [223]

Part (i)

<h3>Answer:  x^2 + 5x + 6</h3>

-----------------

Work Shown:

(x+3)(x+2)

y(x+2) ..... Let y = x+3

y*x + y*2 ... distribute

x(y) + 2(y)

x(x+3) + 2(x+3) .... plug in y = x+3

x*x + x*3 + 2*x + 2*3 ... distribute

x^2 + 3x + 2x + 6

x^2 + 5x + 6

=====================================================

Part (ii)

<h3>Answer:  4x^2 - 16x + 7</h3>

-----------------

Work Shown:

We could follow the same set of steps as shown back in part (i), but I'll show a different approach. Feel free to use the method I used back in part (i) if the visual approach doesn't make sense.

The diagram below is a visual way to organize all the terms. Many textbooks refer to it as "the box method" which helps multiply out any two algebraic expressions.

Each inner cell is found by multiplying the corresponding outer terms. For instance, in the upper left corner we have 2x*2x = 4x^2. The other cells are filled out the same way.

The terms in those four inner cells (gray boxes) are:

  • 4x^2
  • -14x
  • -2x
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The like terms here are -14x and -2x which combine to -16x, since -14+(-2) = -16.

We end up with the answer 4x^2-16x+7

8 0
3 years ago
Give the following compound's base name.
kenny6666 [7]
Amswer the first one
3 0
3 years ago
Read 2 more answers
El cuadruple de un numero mas un quinto
11Alexandr11 [23.1K]
4x+1/5
I hope this helps! I'm hoping google translated your question properly, I'm native english speaking
¡Espero que esto ayude! Espero que google tradujera tu pregunta correctamente, soy nativo de habla inglesa
4 0
2 years ago
Which of the following is a solution for the absolute value inequality |2x – 3| &gt; 6?
Mice21 [21]
This breaks into two inequalities:

2x - 3 > 6

and

-2x + 3 > 6

------------------------

2x - 3 > 6

Add 3 to both sides:

2x > 9

Divide 2 to both sides:

x > 4.5

-----------------------

-2x + 3 > 6

Subtract 3 to both sides:

-2x > 3

Divide -2 to both sides:

x < -1.5
3 0
3 years ago
Read 2 more answers
Plz answer the question below
solmaris [256]

X equal to 6 plus 1 by 3 which is 19 by 3 is the answer which is also a improper fraction

7 0
3 years ago
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