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lesantik [10]
3 years ago
12

Johnny took 3 mathematics test. his score in second test was 5% higher than that in the first test. his score in third test was

5%lower than that in the second test. was Johnny's score higher in the first test or second test​
Mathematics
1 answer:
aliina [53]3 years ago
8 0
The Second Test is Higher Then The First
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A bale of fabric is 189 metres long. If lengths of 15 metres, 36 metres and 29 metres are cut off, how much fabric is left?.
Xelga [282]

Answer:

109 metres

Step-by-step explanation:

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9a + 8 - 20-3-50<br> Answer
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Step-by-step explanation:

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frez [133]
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7 0
3 years ago
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ad-work [718]

Answer:

x<_2

Step-by-step explanation:

first off solve this like a regular equation the >_ dosent matter till later

so basically first multiply - by 13 and -x so you get -13 and x (multiplying two negatives = a positive)

so its 5x-13+x>_9x-7

add 5x and x to get 6x-13 on one side

then you get 6x-13>_9x-7 then subtract -9x from both sides

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then divide both sides by -3 (when you divide an equation with a >< or <_ >_ by a negative number that sign switches) so it will now be x<_2

that your final answer hope this helps :)

6 0
3 years ago
There are 6 swimmers in a race. In how many ways can they finish in first and second place?
hodyreva [135]

Answer:

step 1. 6x2=12 first place way

step 2. 12×2=24

step 3. 24+6=30 second place way

6 0
2 years ago
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