A Mathematics competition consists of 30 multiple-choice questions. A
1 answer:
Answer:
16
Step-by-step explanation:
let "x" be the number of correct questions and 37-x be the wrong questions,
4x-1(37-x)=44
4x-37+x=44
5x=81
x=16.2
hence,16 is the answer
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Answer:
none of it
Step-by-step explanation:
Answer:
x=-3 and y=-2
Step-by-step explanation:
let the numbers be x and y
x+y=-5
x-y=-1
therefore x=-5-y
-5-y-y=-1
-2y=-1+5
-2y=4
y=-2
×=-5-(-2)
x=-5+2
x=-3
Answer:
or 0.25 or 25%. Answer as instructed in the question.
Step-by-step explanation:
There are four equal parts and since the spinner is unbiased, the probabilities will be equal.
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