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Diano4ka-milaya [45]
1 year ago
9

What is (2-) +3+ (-4)

Mathematics
1 answer:
serious [3.7K]1 year ago
7 0

Answer:

-5

Step-by-step explanation:

(2-) +3+ (-4)

2-3-4 ( minus * plus gives (-)

2-7

-5

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Suppose 29 cars start at a car race. In how many ways can the top 3 cars finish the​ race?
Ilia_Sergeevich [38]

any of the 34 cars can finish first  

any of the remaining 33 cars can finish second

any of the remaining 32 cars can finish third  

 

Thus, the top 3 finishes can be done in (34)(33)(32) = 35904 ways

8 0
3 years ago
The populations of two cities after t years can be modeled by -150t+50,000 and 50t+70,0000 . What is the difference in the popul
Sindrei [870]

Answer:

25,800

Step-by-step explanation:

Plug in 4 everytime you see T.

multiple-150 times 4 plus 50000 which gives you 49,400.

then multiple 50 times 4 and add 75000, giving you 75,200 then subtract 75,200 - 49,400 which you end up with 25,800.

hope this helped

5 0
2 years ago
Explain how the figure illustrates that 6(9) = 6(5) + 6(4)
My name is Ann [436]
Because 6 times 9 is 54, To make it longer they just multiplied then added.  They multiplied 6 times 5 which is 30 then multiplied 6 times 4 then added the two which equal 54.
7 0
3 years ago
Read 2 more answers
Kind of lost, can anyone please help me find the answer and explain? Id really appreciate it.
stich3 [128]

Answer:

B. 45

Step-by-step explanation:

do 12×12 which is 144 then Davide it by 2 because it's a triangle then do 9×3 which is 27 then subtract that from 72 and you get 45.

5 0
2 years ago
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49a = 245.....................................................
scoray [572]
You would divide 245 by 49 to get a 
a= 5
7 0
3 years ago
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