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Advocard [28]
2 years ago
14

- 16 + ( - 12 ) - ( - 40 )​

Mathematics
2 answers:
Paladinen [302]2 years ago
8 0

Step-by-step explanation:

Solution ,

Firstly we need to understand that

( - ) × ( - ) = ( + )

( + ) × ( + ) = ( - )

( - ) × ( + ) = ( - )

( + ) × ( - ) = ( - )

Question:

- 16 + ( - 12 ) - ( - 40 )

here ( + ) × ( - ) = ( - )

= - 16 - 12 - ( - 40 )

here ( - ) × ( - ) = ( + )

= - 28 + 40

here the ( + ) has greater variable so....

= + 12

hence 12 is the answer....

Alex_Xolod [135]2 years ago
6 0

Answer:

12

Step-by-step explanation:

Its 12 because when you do -16 + - 40.... then -12 you get =12 There you go

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Juanita runs every third day and swims every fifth day. If Juanita runs and swims today,in how many days will she run and swim a
Norma-Jean [14]

Answer:

Juanita will run and swim again on the same day in 15 days from today

Step-by-step explanation:

Hi

As Juanita runs every third day and nothing every fifth day. We can see that 3 and 5 are prime numbers, so they have no common factors between them.

Then we see their multiples

3=3,6,9,12,15,.....\\5=5,10,15,.....

Therefore 15 is the minimum multiple common, Juanita will run and swim again on the same day in 15 days from today, and every 15 days, so on.

5 0
3 years ago
Writing and reasoning which of the numbers above could be subtracted from 84 without regrouping?explain
adell [148]
What numbers above? Please add more details. 
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3 years ago
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just olya [345]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
For a field trip 9 students rode in cars and the rest filled three busses. How many students were in each bus if 99 students wer
taurus [48]

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8 0
4 years ago
I solve kinda a bit but its hard (Algebra 2)
melisa1 [442]

Answer:

x=9

Step-by-step explanation:

The goal is to combine our knowledge of geometry area and algebra skills to solve this problems.

We know area of rectangle is

l \times w

where l is the length and w is the width. We know that one side is 3 less than the other side. We can use L or W but let use L. Let x replace L

One side is x, while the other side is

x - 3

Both multiply to 54.

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or

x =  - 6

Distance. is positive so x=9

8 0
3 years ago
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