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vitfil [10]
3 years ago
5

A triangle has angles in the ratio 3:10:2 what is the size of the largest angle x?

Mathematics
1 answer:
Annette [7]3 years ago
5 0

Answer:

B

Step-by-step explanation:

let the angles be 3k,10k,2k

then 3k+10k+2k=180

15k=180

k=180/15=12

x=10k=10×12=120°

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kondor19780726 [428]
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6 0
3 years ago
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The sum of two consecutive odd intergers is 92
frutty [35]

Answer:

45,47

Step-by-step explanation:

(x)+(x+2)=92

= 2x+2=92

=2x=90

x=45

x+2=47

8 0
3 years ago
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A length of string that is 240 cm long is cut into three pieces the second piece is 25% longer than the first piece the third pi
Tresset [83]
Hey there,
Let's say that the first piece is x cm
1st = x
2nd = x + 25%
3rd = x - 25%
100% = 240 cm
1% = 240 / 100
      = 2.4cm
x + x + 25 + x - 25 = 100
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x = 240 / 3
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1st piece = 80 cm
2nd piece = 80 + (25% x 80)
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3rd piece = 80 cm - (25% x 80)
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Hope this helps :))

<em>~Top♥</em>
6 0
3 years ago
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A.20<br> b.25<br> c.15<br> d.1<br> help me
Veronika [31]
It's a little hard to see but it looks like A

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6 0
3 years ago
The terms in the sequence decrease by the same amount each time:
luda_lava [24]

Answer:the nth term of the sequence, Tn= -3n +12

Step-by-step explanation:

The nth term of an arithmetic progression is given as

Tn=  a+ (n-1) d

where a= first term

and d = common difference

In this sequence, 9, 6 ,3 ,0, -3, -6 we can see that  the number is decreasing by 3

The first term, a= 9

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using our formulae

Tn=  a+ (n-1) d

Tn= 9 + ( n-1) -3

Tn=9- 3n+ 3

Tn= -3n +12

7 0
3 years ago
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