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alexandr402 [8]
2 years ago
14

30 is what percent of 40?

Mathematics
2 answers:
siniylev [52]2 years ago
7 0

Answer:

75

Step-by-step explanation:

noname [10]2 years ago
6 0

Answer:

Like 10% i think

Step-by-step explanation:

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Tim answered all the questions on his math test but got 010 answers wrong. He received 44 points for every correct answer, and t
yKpoI14uk [10]
44x is the way the points are calculated. In order to find out the amount of questions there needs to be a constant, 10 which represents the number of wrong questions, and a variable, x which represents the number of correct questions. You have to know that if wrong questions were counted, he would have 440 points just for the 10 wrong questions. Next you have to add the amount of correct questions and their corresponding points. The numbers that you get should be put together with the wrong questions. The points for the wrong questions don't count but the questions do. When you find the number, (I don't know what it is so I will use x but you will have to find out what it is) you will add x, the number of correct questions to the 10 incorrect questions and then you will have 10+x for the questions. You will need to use 44x to find out the number of points and once you have done that, you use this equation to average the points over the total questions: 44x/10+x
5 0
3 years ago
Glasper -U. Hector recorded the amount of coffee he drank (in milliliters) and the duration of his drive (in minutes) over five
AVprozaik [17]

Answer:

thanks if u need help let me know

Step-by-step explanation:

3 0
2 years ago
2*10^3 in scientific notation
Natali5045456 [20]
2000, you just need to put three zeros at the end of the number.
7 0
3 years ago
5. What is the slope of the line that passes through (-2, 4) and (7, 1)?
just olya [345]

Answer:

Slope: -\frac{1}{3}

Step-by-step explanation:

Step 1:  Use slope formula to find the slope

m = \frac{y2 - y1}{x2- x1}=\frac{4-1}{-2-7}=\frac{3}{-9} =-\frac{1}{3}

Therefore the slope of a line that passes through (-2, 4) and (7, 1) is -\frac{1}{3}

4 0
3 years ago
What is the probability of getting a sum 9 from two throws of a dice?
Fittoniya [83]

1/9 is the answer for that question

8 0
3 years ago
Read 2 more answers
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