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il63 [147K]
3 years ago
11

EASY MATH!!! GIVING BRAINLIEST!!!

Mathematics
1 answer:
Harman [31]3 years ago
8 0
120 grams half life at 45 days would be 60 then half life of 60 in another 45 days (90 total) should be 30 grams
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Define Following:consistent equations
mario62 [17]

Answer:

1. Consistent equations

x + y = 3

x + 2·y = 5

2. Dependent equations

3·x + 2·y = 6

6·x + 4·y = 12

3. Equivalent equations

9·x - 12·y = 6

3·x - 4·y = 2

4. Inconsistent equations

x + 2 = 4 and x + 2 = 6

5. Independent equations

y = -8·x + 4

8·x + 4·y = 0

6. No solution

4 = 2

7. One solution

3·x + 5 = 11

x = 2

Step-by-step explanation:

1. Consistent equations

A consistent equation is one that has a solution, that is there exist a complete set of solution of the unknown values that resolves all the equations in the system.

x + y = 3

x + 2·y = 5

2. Dependent equations

A dependent system of equations consist of the equation of a line presented in two alternate forms, leading to the existence of an infinite number of solutions.

3·x + 2·y = 6

6·x + 4·y = 12

3. Equivalent equations

These are equations with the same roots or solution

e.g. 9·x - 12·y = 6

3·x - 4·y = 2

4. Inconsistent equations

Inconsistent equations are equations that are not solvable based on the provided set of values in the equations

e.g. x + 2 = 4 and x + 2 = 6

5. Independent equations

An independent equation is an equation within a system of equation, that is not derivable based on the other equations

y = -8·x + 4

8·x + 4·y = 0

6. No solution

No solution indicates that the solution is not in existence

Example,  4 = 2

7. One solution

This is an equation that has exactly one solution

Example 3·x + 5 = 11

x = 2

3 0
3 years ago
Harder questions.<br><br><br>Will give, Branliest.​
garri49 [273]

Answer:

425p + 100

Step-by-step explanation:

only answer that makes sense

7 0
3 years ago
What is 2 dollars to 40 cents as a fraction in lowest terms?
pav-90 [236]
It is 5/1
200/40
20/4
5/1
3 0
3 years ago
What is the percent 200% of 54
sweet-ann [11.9K]
So if 54 is 100% then 200% is double therefore 200% of 54 is 108
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3 years ago
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Which is the ordered pair for the translated point D'?
olga_2 [115]
(x;\ y)\\\\D(-3;\ 1)\\\\right(+),\ left(-)\to x\\up(+),\ down(-)\to y\\\\left\ 4\to-3-4=-7\\up\ 0\to1+0=1\\\\Answer:\boxed{D.\ (-7;\ 1)}
7 0
3 years ago
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