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Luba_88 [7]
3 years ago
13

Tell if I was right, and I'll thank you and mark you as branliest

Mathematics
1 answer:
PtichkaEL [24]3 years ago
8 0
It is my opinion that it is C) but i am not sure, you might be correct though...
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two objects are travelling toward each other on a collision course. One object is doing 800 km / hour. The other is doing 1000 k
sammy [17]

Answer:

Step-by-step explanation:

The relative speed of the two trains is the sum of the speeds they are traveling. (If you're on either of the trains, this is the speed you appear to be moving when you see the other train.) In our problem, the relative speed of the two trains is 70 mph + 60 mph = 130 mph. What if the trains were traveling in the same direction? Then we'd need to subtract the speed of the slower train from the speed of the faster train, and their relative speed would be 10 mph.

6 0
3 years ago
When a number, half of the number, and a third of the number are added together, the
Finger [1]

Step-by-step explanation:

Let the number be x.

Half of a number is x/2 and a third of the number is x/3

ATQ,

x+\dfrac{x}{2}+\dfrac{x}{3}=275\\\\\dfrac{6x+3x+2x}{6}=275\\\\\dfrac{11x}{6}=275\\\\x=\dfrac{275\times 6}{11}\\\\x=150

Frist no is 150

Second no is 150/2 = 75

Third no is 50

8 0
4 years ago
Help me with this problem below asap
zimovet [89]
(3x+7)+26=90

3x+33=90

3x=90-33

3x=57

X=19 is the value of x shown below
4 0
3 years ago
Read 2 more answers
3x - (2-4x) help needed!!
neonofarm [45]

Answer:

1x

Step-by-step explanation:

first you do 2-4= 2 then 2-3= 1 and then you put the x

so 3x-(2-4x)=1x

3 0
3 years ago
Read 2 more answers
is it just me or is that europa person like rlly annoying bru,, they just keep deleting everybodies questions and answers smh.
Artist 52 [7]

Answer:

yeah ikr it gets annoying after awhile

3 0
3 years ago
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