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lord [1]
3 years ago
8

Find the value of x pls help me

Mathematics
1 answer:
dezoksy [38]3 years ago
3 0

Answer:

360 - (110 + 83 + 90) = 180 - x ( Angle sum property of a quadrilateral and linear par)

=> 360- 283 - 180 = -x

=> x = 103 degrees

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Show that the transformation T defined by<br>T(x1, x2) = (2x1 - 3x2, X1+4, 5x2) is not linear.<br>​
erastovalidia [21]

Let <em>u</em> = (1, 0) and <em>v</em> = (0, 1). Then

<em>T</em> (<em>u</em>) = (2*1 - 3*0, 1 + 4, 5*0) = (2, 5, 0)

<em>T</em> (<em>v</em>) = (2*0 - 3*1, 0 + 4, 5*1) = (-3, 4, 5)

=>   <em>T</em> (<em>u</em>) + <em>T</em> (<em>v</em>) = (-1, 9, 5)

but

<em>T</em> (<em>u</em> + <em>v</em>) = <em>T</em> (1, 1) = (2*1 - 3*1, 1 + 4, 5*1) = (-1, 5, 5)

=>   <em>T</em> (<em>u</em> + <em>v</em>) ≠ <em>T</em> (<em>u</em>) + <em>T</em> (<em>v</em>)

which means <em>T</em> does not preserve addition, so it is not linear.

4 0
3 years ago
In which expression does g have a coefficient of 8 <br> 8g <br> 8 + g <br> g - 8 <br> g/8
belka [17]

Answer:

8g

Step-by-step explanation:

In 8g, g has the coefficient 8:  we multiply g by 8.

3 0
3 years ago
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I need some help with trigonometry, will mark brainliest.
lisabon 2012 [21]

Answer:

84

Step-by-step explanation:

3 0
3 years ago
What is b1 and r of geometrical sequence if b3 −b1 = 16 and b5 −b3 = 144.
Naily [24]

Answer:

b1 = 2 ; r = 3

Step-by-step explanation:

Given that :

if b3 −b1 = 16 and b5 −b3 = 144.

For a geometric series :

Ist term = a

Second term = ar

3rd term = ar^2

4th term = ar^3

5th term = ar^4 ;...

If b3 - b1 = 16;

ar^2 - a = 16

a(r^2 - 1) = 16 - - - (1)

b5 - b3 = 144

ar^4 - ar^2 = 144

ar^2(r^2 - 1) = 144 - - - - (2)

Divide (1) by (2)

a(r^2 - 1) / ar^2(r^2 - 1) = 16 /144

a / ar^2 = 1 / 9

ar^2 = 9a

Substitute for a in ar^2 - a = 16

9a - a = 16

8a = 16

a = 2

From ar^2 - a = 16

2r^2 - 2 = 16

2r^2 = 16 + 2

2r^2 = 18

r^2 = 18 / 2

r^2 = 9

r = √9

r = 3

Hence ;

a = b1 = 2 ; r = 3

7 0
3 years ago
Hey ! I’m trying to find the slope. If you could help me that’ll be great thank you !!
galben [10]

Answer:

The answer is B. 1

Step-by-step explanation:

rise over run

1/1=1

4 0
3 years ago
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