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tamaranim1 [39]
2 years ago
7

In 1 year, 120 students passed GCSE maths. The following year 98 passed. Find the percentage decrease in the pass rate. PLEASE P

LEASE PLEASE HELP QUICKLY!!!!!!20 PTS!!!!!
Mathematics
1 answer:
Margarita [4]2 years ago
3 0

Answer:

18% decrease.

Step-by-step explanation:

What you do is you do 120-98 to get 22. You then put that over 120 to get .18333 this equal to 18% decrease or if you need it specifically 18.3%

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Answer:

x  =  4

Step-by-step explanation:

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RS = 4x – 9, ST = 19, RT = 80 – 14<br><br> Equation:<br><br> 82 – 14<br><br> RS<br><br> RT
algol13

Step-by-step explanation:

The expressions are not properly written

Given

RS = 4x – 9

ST = 19

RT = 8x – 14

Based on the given parameters, the addition postulate below is true

RS+ST = RT

Substitute

4x-9+19 = 8x-14

collect like terms

4x-8x = -14-19+9

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-4x = -24

x = -24/-4

x = 6

Get RS:

RS = 4x-9

RS = 4(6)- 9

RS = 24-9

RS = 15

Get RT:

RT = 8x - 14

RT = 8(6)-14

RT = 48-14

RT = 34

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Step-by-step explanation:

180°=π

75°=x

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