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Law Incorporation [45]
3 years ago
9

When you are doing math homework do u need to show your work for every problem?

Mathematics
2 answers:
Alex17521 [72]3 years ago
6 0

Yes, it is very important otherwise some teachers may count the problem wrong.


Y_Kistochka [10]3 years ago
3 0
If the question is only fill in the blank kind, then, no.
But for the word problems and calculation questions, you usually need to show your work. hope that helps :)
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What is the measure of 2U?
siniylev [52]

Answer:

A. 70°

Step-by-step explanation:

Since, TV = TU = 4

\therefore \: m \angle \: U = m \angle \: V \\(by \: isosceles \:  \triangle \: theorem)  \\  \because \: m \angle \: V  = 70 \degree\\  \\  \therefore \: m \angle \: U  = 70 \degree

5 0
3 years ago
Kara is 4 more than twice as old as Julia. The sum of their ages is 13. How old is Julia?
Thepotemich [5.8K]
Let julia's age be x
Let Kara's age be 4x
x+4x=13
5x=13
x=13/5
    2.6 years 
3 0
3 years ago
The base area of a triangular pyramid is 22 square yards and the height of the pyramid is 15 yards. What is the volume of the tr
galben [10]

Answer:

110 yards^3

Step-by-step explanation:

volume of a  triangular pyramid=  1/3 area x height

1/3 x (22) x 15 = 110 yd^3

7 0
2 years ago
Scott took out a 4-year car loan for $5,500. He paid back a total of $7,370. What interest rate did he pay for this loan?
elena-14-01-66 [18.8K]
Amount of car loan taken by Scott = $5500
Amount of loan paid back by Scott = $7370
Then
Amount of money paid as interest by Scott = (7370 - 5500) dollars
                                                                     = 1870 dollars
Then
Percentage of interest given for the car loan = (1870/5500) * 100
                                                                       = 1870/55
                                                                       = 34 percent
So Scott had to pay a total interest rate of 34% in the four years.I hope the procedure is simple enough for you to understand and solve future problems.
7 0
3 years ago
The sum of the interior angles S of a polygon with n sides is given by the formula S = 180(n-2).
shusha [124]

Answer:

,

Step-by-step explanation:

4 0
3 years ago
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