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Rama09 [41]
3 years ago
15

I need help I don’t understand any of thisl

Mathematics
1 answer:
Natalija [7]3 years ago
7 0
Note! Every triangle must add up to 360°

1. x =
(×+29°) + (x+19°) + 84° = 360°
x + x + 29° + 19° + 84°= 360°
2x + 48° + 84°= 360°
2x + 132° = 360°
2x = 228°
x = 114°

m(angle)A =
(x+29°)
(114°+29°)=143°

m(angle)B=
(x+19°)
(114°+19°)=133°

3. is a bit different

(3x+6)° = (8x+3)°+130°
-5x+6° = 3° + 130°
-5x = 133° - 6°
-5x = 127°
x = -25.4°

m(angle)A=
(3x+6)°
3×(-25.4)+6= -70.2°

m(angle)DBE=
(8x+3)°=
8(-25.4)+3= -200.2°

I only did 1. and 3. for examples now, but if you need help with anymore just ask!
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P.D. Hope this helps!

7 0
3 years ago
Simplify the ratio 25 :15
Sedbober [7]

Answer:

5/3

Step-by-step explanation:

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GCD of 25 and 15 is 5

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Reduced fraction:  

5

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4 0
3 years ago
Riya took a train from his hometown to Mumbai . The journey lasted for 3 hrs 35 minutes . The train reached the station at 9:15
zhenek [66]

Answer: 5:40 am

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The train reached the station at 9:15 am after having travelled for 3 hrs 35 minutes.

The time the train departed from Riya's hometown was the time it arrived in Mumbai station less the time taken to travel:

= 9:15 - 3:35

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= 9:15 - 3

= 6 : 15 am

Remove the 35 minutes by first removing the 15 minutes

= 6:15 - 15

= 6:00 am

Then remove the rest of the 35 minutes which is 20 minutes:

= 6:00 - 20 minutes

= 5:40 am

7 0
3 years ago
What is the equation of the line in slope-intercept form?
masya89 [10]

Answer:

y=6-5

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3 0
3 years ago
Given ƒ(x) = 8x + 25, find x when ƒ(x) = 9.
liubo4ka [24]

Answer:

x=  -2

Step-by-step explanation:

f(x) is the same thing as y so just subtract 25 and divide by 8.

8 0
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