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2 years ago

Are all numbers that are divisible by 2 also divisible by 10

1 answer:

3 0

Answer:The Rule for 10: Numbers that are divisible by 10 need to be even and divisible by 5, because the prime factors of 10 are 5 and 2. Basically, this means that for a number to be divisible by 10, the last digit must be a 0. ... So this number is even and divisible by 5. That means that it is also divisible by 10

Step-by-step explanation:

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Which choice is the solution to the system? x + 2y = 1 y = − 1 2 x + 4

vazorg [7]

Answer:

no solutions

Step-by-step explanation:

x + 2y = 1

y = − 1/ 2 x + 4

Substitute the second equation into the first

x + 2(-1/2x+4) = 1

Distribute

x -x +8 = 1

Combine like terms

8=1

This is never true so there are no solutions

7 0

2 years ago

Element X is a radioactive isotope such that every 42 years, its mass decreases by

dybincka [34]

Answer:

6.38548 years

Step-by-step explanation:

1 = 2 $e^{42k}$

1/2 = $e^{42k}$

ln(1/2) = 42k ln(e)

ln(1/2)/42 = k

k = -0.01650

~~~~~~~~~~~~~~

45 = 50 $e^{-0.01650t}$

45/50 = $e^{-0.01650t}$

ln(45/50) = -0.01650 t ln(e)

ln(45/50)/ -0.01650 = t

t = 6.38548 years

5 0

2 years ago

Which primary source document would give you insight into how the Great Chicago Fire affected working-class families? A.) a lett

Natali5045456 [20]

The primary source document that would give you an insight or insights into how the Great Chicago Fire affected working-class families is through a letter. Primary sources are physical documents that were presented during the event or experience and gives you an overview of what happened.

The answer would be letter A.

7 0

2 years ago

Read 2 more answers

How many 5/8th are in 1?

Tom [10]

You can get only one 5/8 In 1

8 0

2 years ago

Are 28/42 and 16/24 equivalent? Yes or No Find out by reducing both fractions to

Natali [406]

Yes

Step-by-step explanation: