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Delicious77 [7]
3 years ago
10

Are 15:35 and 25:45 equivalent

Mathematics
1 answer:
Schach [20]3 years ago
3 0
No, because if you reduce or simplify 15:35 by 4 you get 3:7 and if you do the same with 25:45 you get 5:9.
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Kirsty bought a new TV. The total cost of the TV was £360, in the sale it has 12.5% discount. What is the new price of the TV?
jasenka [17]
12.5% of 360 is 45
360-45 is 315
Answer is £315
3 0
3 years ago
A student's course grade is based on one midterm that counts as 15% of his final grade, one class project that counts as 15% of
kow [346]

Answer:

Overall final score = 77.75% ; Grade = C.

Step-by-step explanation:

The approach to solve this question is to realize that the marks have to be converted into the respective percentages of the whole course. This means that the marks of all the components have to be normalized according to the grading breakdown.

Project Marks = 97/100. Weightage = 15%. So 97*15/100 = 14.55/15.

This means that the student received 14.55 marks in the project out of 15.

Similarly for other components:

Mid-Term Marks = 83/100. Weightage = 15%. So 83*15/100 = 12.45/15.

Homework Marks = 82/100. Weightage = 35%. So 82*35/100 = 28.7/35.

Finals Marks = 63/100. Weightage = 35%. So 63*35/100 = 22.05/35.

After the conversion process, add up the normalized marks, which are now acting as the percentages earned in all the components.

Aggregate Percentage = 14.55 + 12.45 + 28.7 + 22.05 = 77.75%.

According to the grade scale, the student receives a C because 70 is less than 77.75 and 77.75 is less than 80.

Summarizing, the student receives a C at 77.75%!!!

7 0
3 years ago
Label the following as either function or relation ​
Katarina [22]

I can't see anything so I'll say function. Next time add a screenshot!

Best of luck to you

4 0
2 years ago
What is 3% in decimal form
AfilCa [17]
To convert a decimal into a percentage, first we have to convert it into fractional form.  

Because percentages are out of 100, the resulting fraction would be 3/100.

Next, to find the decimal, we would just divide the fraction (numerator divided by denominator).

3 % = 3/100 = 0.03
8 0
2 years ago
Read 2 more answers
Evaluate the expression 5xy+ -2xy+y^2 when x=4 and y=-5
Mariulka [41]

Answer:

-35

Step-by-step explanation:

5(4)(-5) + -2(4)(-5) + (-5)²

= -100 + 40 + 25

= -35

7 0
2 years ago
Read 2 more answers
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