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ochoachanna
30.01.2021 •
Mathematics
PLS HELP PLS HELP ASAP
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Answers on questions: Mathematics
- M Mathematics Let a and b be non-zero integers which of the following is not true a. -a/b = a/ -b b. -a/b = (-a/b) c. (-a/b) = (-a/ -b) /b) = a/ -b...
- M Mathematics What is |x|+|y|, if x=5 and y=-7 a. 2 b. 12 c. -2 d. -12...
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- M Mathematics Geri is in a marathon race it took her 3 hours and 28 minutes to run 26 miles how many minutes did it take her to run 1 mike if she ran at the same rate for the whole race...
- M Mathematics Cuts a piece of wood for project the first cut shown and can be represented by the equation y=-1/2x+3. the second cut needs to be parallel to the first. it will pass through the point...
- M Mathematics Two trucks started toward each other at the same time from towns 500 km apart one truck traveled at the rate of 65 kilometers per hour while the other travels at the rate of 60 kilometers...
- M Mathematics What is the equation of a horizontal line passing through (4,-3)...
- M Mathematics What is the equation of a vertical line that passes through (-3,-2)...
- M Mathematics Which one has the greater rate of change and which one the greater y-intercep...
- M Mathematics What is 1/20 multiplied by 23 as a mixed number...
Ответ:
Step-by-step:
The first flip numbers will always add up to 1 so you do
1 - 2/7= 5/7
now it gets easy...
The second flip head will be 2/7 because it is a biased dice and the second flip tail will be 5/7
This also applies for the bottom 2: 2/7 head, 5/7 tails
hope this helped :)