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Reptile [31]
3 years ago
13

Answer two questions about Systems AAA and BBB:

Mathematics
2 answers:
Sedaia [141]3 years ago
6 0

Answer:

The first one is B And the second one is no

Step-by-step explanation:

max2010maxim [7]3 years ago
5 0

Answer:

Replace one equation with the sum/difference of both equations and Yes

Step-by-step explanation:

In Khan Academy

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Two years ago a man was six times as old as his daughter. In 18 years he will be twice as old as his daughter. Determine their p
Troyanec [42]

Answer:

Step-by-step explanation:

f- 2 = 6(d-2)

f - 2 = 6d - 12

f = 6d - 12 + 2

f = 6d - 10      .................................... eq 1

f + 18 = 2(d+18)

f + 18 = 2d + 36

f= 2d + 36 - 18

f = d + 18       .......................................... eq 2

eq1=eq2

6d - 10 = 2d + 18

6d - 2d = 18 + 10

4d = 28

d = 28/4

d = 7 yrs is the daughter's age

Take eq 1

f = 6(7) - 10

f = 42 - 10

f = 32 yrs is Father's age

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3 years ago
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What was John’s age 4 years ago, if he will be z years old in 5 years?
enot [183]

Answer:

z-9

Step-by-step explanation:

Right now, John is z-5. z-5 - 4 is equal to z -9.

5 0
4 years ago
Easy algebra question below first correct answer gets brainliest
kondor19780726 [428]

Answer:

8.06 is the correct answer

7 0
3 years ago
1
Zanzabum

Answer:

independent and 1/4

Step-by-step explanation:

it is independent because you replaced and that still kept the total outcomes.

1/2 times 1/2 which is 1/4

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The lengths of two sides of a triangle are shown.
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Answer:

− 2 − 6 + 8

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