Answer:
x=18
Step-by-step explanation:
if x/6=3, the you can use the mulitplication property of equations to solve. so multiply each side by 6. it will eliminate the fraction on the left side of the equal side, leaving you with x and then 6x3=18, therefore
x=18
Answer:
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Answer:
0
Step-by-step explanation:
Total outcomes = 6
Favourable outcomes = 0(As there is no 7 in a dice)
Probability = Favourable Outcome/Total outcomes
=> 0/6
=> 0
Answer:
I think there is 20 questions.
Step-by-step explanation:
80 divided by 20 = 4
Hope this helps!
79. Set up an equation to solve this problem. Suppose she needs at least a score of x points. Her current total scores is 89+65+68+88=310. Her total score will be 310+2x (since final exams counts as two tests). The average score is total points divided by number of tests, and it has be bigger or equal to 78, so (310+2x)/6>=78. We solve it and get x=79. She has to score at least 79 on her final exam in order to jhave an overall average of 78.
