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prohojiy [21]
3 years ago
13

Read doccument attached

Mathematics
1 answer:
Klio2033 [76]3 years ago
3 0

Answer:

48.6 km/hr

Step-by-step explanation:

(135/10)×(18/5)

48.6 km/hr

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There were 20 boys and 26 girls in a chess club last year. This year the number of boys increased by 30% but the number of girls
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Step-by-step explanation:

Boys

20 + (20 \div 100)30 = \\  = 20 + 0.2 \times 30  =   \\  = 20 + 6 = \\26

Girls

26 - (26 \div 100)15 = \\  = 26 - 0.26 \times 15 =  \\  = 26 - 3.9 = \\  = 22

Total last year 46

Total this year 48

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2 years ago
Find the values. Question 1. Thanks!
kompoz [17]

Answer:

x=5 and y=8

Step-by-step explanation:

Find x:

3x - 2 = x + 8

-x          -x

2x - 2 = 8

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----   ----

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Find y:

6y - 7 = y + 33

-y         -y

5y - 7 = 33

     +7    +7

5y = 40

----   -----

5       5

y = 8


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3 years ago
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