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Zolol [24]
3 years ago
6

Tim answered all the questions on his math test but got 010 answers wrong. He received 44 points for every correct answer, and t

here was no penalty for wrong answers. His score was 76 points. Write an equation to determine the total number of questions
Mathematics
1 answer:
yKpoI14uk [10]3 years ago
5 0
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
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What is equivalent to -8z+ (-3.5) +1.5z+3y-5.5
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3 years ago
A container has 300 liters of water, and a second container has 700 liters of water. The first
Firlakuza [10]

To obtain the minute, when both containers will have the same amount of water, we use the equation ;

  • 300 + 5m = 700 - 6m

Let the number of minute = m

Container A :

  • Initial Volume = 300
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  • Amount of water after m, minutes = 300 + 5m - - (1)

Container B :

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  • Drain rate = 6 ltr/ min

  • Amount of water after, m , minutes = 700 - 6m - - (2)

Time when both A and B will have the same amount of water :

  • Equation (1) = Equation (2)
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Hence, the required equation is : 300 + 5m = 700 - 6m

Learn more : brainly.com/question/13218948

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3 years ago
What is .8 as a fraction and decimal?
Nadusha1986 [10]
.8 as a decimal is still .8 but as a fraction idk
7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Cint%20_%7B2.2%7D%5E%7B%2B%5Cinfty%20%5C%3A%7D%5Cfrac%7B10.648%7D%7Bx%5E2%7D" id="TexFormula
Rus_ich [418]

Step-by-step explanation:

\int _{2.2}^{+\infty \:}\frac{10.648}{x^2}dx = 10.648 \int _{2.2}^{\infty \:}\frac{dx}{x^2}

=  -  \frac{10.648}{x} | _{2.2}^{ \infty}  = 4.84

5 0
3 years ago
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