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blsea [12.9K]
3 years ago
11

What is abstract algebra

Mathematics
1 answer:
Art [367]3 years ago
8 0
<span>Abstract algebra is the set of advanced topics of algebra that deal with abstract algebraic structures rather than the usual number systems.</span>
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2) Working alone, Rob can dig a 10 ft by 10 ft hole in ten hours. Shayna can dig the same hole in seven hours. Find how long it
Free_Kalibri [48]

rob can dig 1/10ft in one hour

Shayna can dig 1/7ft in one our

together they can dig

1/10+1/7

(7+10)/70 in one hour

17/70

in for hours they can dig

17/70×4

68/70

the left work is 2/70

in 60 minutes they can dig 17/70

1/70 work can be done in 60 minutes/17

2/70 work can be done in 60/17×2 minutes

7.088 minutes

for the entire work they take 4hours and 7 minutes

8 0
2 years ago
What us9/2 written ad mixed numbers
kogti [31]

Answer:

4 and 1/2

Step-by-step explanation:

divde 2 into 9 that will go into 4 times then the left over is 1 then keep your denominator

7 0
3 years ago
Len has a2 one dollar bills, 3 quarters 4 dimes 1 nickle and 3 pennies how much money dose he have in all
irakobra [83]
$2.00 + 0.75 + 0.40 + 0.05 + 0.03 =   $3.33
7 0
3 years ago
What is 2 2/3 - 1/3 ?
sattari [20]

Convert the mixed numbers to improper fractions, then find the LCD and combine.

Exact Form:

7/3

Decimal Form:

2.¯3

Mixed Number Form:

2/1/3

4 0
3 years ago
Read 2 more answers
Solve the equation by completing the square m^2+6m-77=-5
Grace [21]
Maybe you thought about this:
m^2+6m-77+5=0 => m^2+6m-72=0 => m^2+ 2*3*m+3^2-3^2-72=0
=> m^2+2*3*x+3^2= (m+3)^2 this is the complete square of the binomial, we will still keep it =>
(m+3)^2 -9 -72=0 => (m+3)^2 - 81 = 0 => (m+3)^2 - 9^2 = 0
Now we got the difference squares, it mean a^2 - b^2 = (a-b) (a+b)
In according to this => (m+3-9) (m+3+9) = 0 =>
(m-6) (m+12)=0 => m-6=0 or m+12=0 => m1=6 or m2= -12 !!!!
Are you satisfied with this solution?

6 0
2 years ago
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