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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 value of x in the figure shown below?
Hunter-Best [27]

Answer:

Step-by-step explanation:

for missing angle of triangle ABC

let the missing angle be y

31+111+x=180(sum of interior angle of a triangle is 180 degree)

142+y=180

y=180-142

y=38 degree

x=y(being alternate angles)

x=38 degree

8 0
3 years ago
The sum of the first 3 terms of a geometric series is 171 and the common ratio is 2/3.
Paladinen [302]

Answer:

81

Step-by-step explanation:

let the terms be a,ar,ar²

r=2/3

a+a(2/3)+a(2/3)²=171

multiply by 9

9a+6a+4a=171×9

19 a=171×9

a=(171×9)/(19)

a=9×9=81

5 0
3 years ago
Read 2 more answers
If x = 14, which equation is true?
lozanna [386]

Answer:

The answer should be C.

2(14 - 3) = 22

2(11) = 22

8 0
3 years ago
I want to cover the curved surface of a cylinder with orange paper. My cylinder is 14” tall. The diameter is 3.5”. I have listed
Dominik [7]
Circumference of the cylinder = 3.14 x 3.5 = 10.99 = 11 inches
 so D. 11 x 14 is correct for the first part

area of the top  =  PI x r^2 = 3.14 x 1.75^2 = 9.62 inches

top and bottom = 9.62 x 2 = 19.23 = A. 19 inches




7 0
4 years ago
Write 2 to the 100th power as an exponent with a base of: 32
neonofarm [45]

2^5x2^100

also known as 1

6 0
3 years ago
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