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ch4aika [34]
3 years ago
5

36 x - 8y2 when x=3 and y= 6

Mathematics
2 answers:
Anastaziya [24]3 years ago
3 0

Step-by-step explanation:

multiply the numbers

36×3=108. 8×6×2=96

subtract the numbers

108-96

=12

great day :)

LenaWriter [7]3 years ago
3 0

Answer:

12

Step-by-step explanation:

x = 3

36 x 3 = 108

y = 6

8 x 6 x 2 = 96

= 108 - 96

= 12

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There are 5 exams in a semester. You have scored 77, 90, 85, and 100 on the previous four exams. What must you make on the fifth
siniylev [52]

Answer:

<h2>The correct answer for this question is 78.</h2>

Step-by-step explanation:

  • The average or mean of any variable or mathematical phenomenon is calculated as the division of the sum of all the numbers or items within the particular variable by the total number of items or numbers within the variable.
  • In this case, the marks of the 4 exams in the semester are 77,90,85 and 100 respectively.There are total 5 exams in the semester.
  • Let's suppose that the marks for the 5th exam is x.
  • Therefore, based on the mathematical formula to compute average or mean,to get an overall average of 86 including all the 5 exams, one has to get:-

   \frac{77+90+85+100+x}{5}=86

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  x=430-77-90-85-100

  x=78

  • Hence, based on the above calculations,one has has to get 78 on the 5th exam to obtain an overall average of exactly 86.

5 0
3 years ago
A customer buys 12.42 in merchandise and gives cashier a ten dollar bill a five dollar bill a dime a nickel and two pennies her
Arturiano [62]
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4 0
3 years ago
In the decimal system, when we divide a number by 10, the rightmost digit in the number is the remainder. Divide the number 157
allochka39001 [22]

Answer:

See explanation

Step-by-step explanation:

Required

Divide 157 by 10 repeatedly.

This is done as follows...

157 Divided by 10 = 15 Remainder 7

15 Divided by 10 = 1 Remainder 5

1 Divided by 10 = 0 Remainder 1

<em>As per the requirement of the question, no further action or operation is required</em>

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3 years ago
Pls help I need a good grade<br><br><br> Show your work
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Answer:

14 weeks

Step-by-step explanation:

500 - 220 = 280

280 / 20 = 14

4 0
2 years ago
Read 2 more answers
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