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hammer [34]
3 years ago
12

Need help with the two questions please:)

Mathematics
2 answers:
liq [111]3 years ago
5 0

Answer: 6/5 and -3/4

Step-by-step explanation:

(2x-3)/9=(3x-4)/6

18*(2x-3)/9=18*(3x-4)/6

2(2x-3)=3*(3x-4)

4x-6=9x-12

-5x=-6

x=6/5

(8x+2)/4=4x/3

12*(8x+2)/4=12*4x/3

3(8x+2)=4*4x

24x+6=16x

8x=-6

x=-3/4

____ [38]3 years ago
4 0
The decimal form is x=1.2 and the mixed number is x= 1 1/5
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Find the values of a and b.<br> a<br> The diagram is not drawn to scale.<br> a =<br> U<br> b =<br> U
nata0808 [166]

Answer:

a = 36°

b = 144°

Step-by-step explanation:

<h3><u>Method 1</u></h3>

Number of sides = n = 10

Sum of interior angles = (n - 2) × 180°

                                     = (10 - 2) × 180°

                                     = 8 × 180°

                                     = 1440°

Interior angle = b = sum of interior angles ÷ number of sides

                          b = 1440 ÷ 10

                          b = 144°

              a + b = 180° (Sum of angles in the straight line)

         a + 144° = 180°

a + 144° - 144° = 180° - 144°

                    a = 36°

<h3><u>Method 2</u></h3>

Number of sides = 10

Exterior angle = a = 360° ÷ Number of sides

                           a = 360° ÷ 10

                           a = 36°

            a + b = 180° (Sum of angles in the straight line)

        36° + b = 180°

36° + b - 36° = 180° - 36°

                 b = 144°

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4. A y=-3/5x+2

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