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Nana76 [90]
4 years ago
15

13. Simplify the expression (8-4) + (15-10)

Mathematics
2 answers:
kari74 [83]4 years ago
6 0

Answer:

= 9

Step-by-step explanation:

First work out the ones that's in the parentheses.

8 - 4 = 4

15 - 10 = 5

(4) + (5) = 9

prohojiy [21]4 years ago
4 0

Answer:

9 :)

Step-by-step explanation:

   (8 - 4) = 4

   (15 - 10) = 5

That added together equals....

  5 + 4 = 9

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Brian flips a fair coin 3 times. What is the probability of getting exactly 1 tail?
Leya [2.2K]

Answer:

1/3

Step-by-step

he flips the coin three time and there is one side so 1/3

3 0
4 years ago
Solve. (K+1)(k-5)=0<br> Explin how to solve ???
Anna71 [15]
Alright remember, if any individual factor on the left side of the equation is equal to 0, the entire expression will be equal to 0. 
k+1=0
k-5=0
Set the first factor equal to 0 and solve
k=-1
Set the next factor equal to 0 and solve
k=5
The final solution is all the values that make (k+1)(k-5)=0 true. 
k=-1, 5

Hope this helped you out :)
5 0
3 years ago
Read 2 more answers
Which of these numbers are relatively prime to 51? Select all that apply. da) 84 Ob) 70 Oc) 62 0d) 30
iren2701 [21]

Answer:

  b) 70

  c) 62

Step-by-step explanation:

Numbers are relatively prime when they have no factors in common.

__

The factors of 51 are ...

  51 = 3×17

The factors of the other numbers are ...

  84 = 2²×3×7 . . . . . has a factor of 3 in common with 51

  70 = 2×5×7 . . . . . . no factors in common

  62 = 2×31 . . . . . . . no factors in common

  30 = 2×3×5 . . . . . has a factor of 3 in common with 51

The numbers 70 and 62 are relatively prime to 51.

6 0
2 years ago
Chang runs each lap in 5 minutes. He will run at the most 30 minutes today. What are the possible numbers of laps he will run to
Ipatiy [6.2K]

Answer:

6

Step-by-step explanation:

all you have to do is 30 / 5 what equals 6

4 0
3 years ago
EASY QUESTIONS! <br> Whats 1+1?
lord [1]
The answer would be 2
5 0
3 years ago
Read 2 more answers
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