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Olegator [25]
3 years ago
8

I"ll make you brainiest if u answerthis

Mathematics
2 answers:
Andre45 [30]3 years ago
5 0
The train has 30 cars in total.
Flauer [41]3 years ago
4 0

Answer:

30 cars

Step-by-step explanation: 3 cars per 30 sec , their is 60 sec in a min

30x2=60

5x6=30

You multiply by 6 because you need to figure out how many cars pass in 1 min which is 6

Hopefully this makes sense.

You might be interested in
If their is a cube with 2/3ft what is the surface area?
Arlecino [84]
A cube has 6 sides.

Find 1 side:
1 side = 2/3 x 2/3 = 4/9

Find 6 sides:
6 sides = 4/9 x 6 = 8/3 = 2 2/3 ft²

Answer: 2 2/3 ft²
8 0
3 years ago
Ebi, Jose, Derell, and Asami measured their heights. Ebi's height was 2.5 cm greater than Jose's height. Jose's height was 3.1 c
irga5000 [103]
Start with assigning each person with a variable to represent their height

Ebi: e
Jose: j
Derell: d
Asami: a

Ebi'd height was 2.5 cm greater than Jose's height

j + 2.5 = e

Jose's height was 3.1 cm greater than Derell's

d + 3.1 = j

Derell's height is 0.4 cm less than Asami's height

a - 0.4 = d

Ebi is 162.5 cm tall

e = 162.5

So, plug in 162.5 into any of the above equations were there is a variable of e

j + 2.5 = e

j + 2.5 = 162.5

Subtract 2.5 from both sides of the equation

j = 160 cm

Jose's height is 160 cm

Now, plug in 160 into any of the above equations where there is a j

d + 3.1 = j

d + 3.1 = 160

Subtract 3.1 from both sides of the equation 

d = 156.9 cm

Derell's height 156.9 cm

so, plug in 156.9 into any of the above equations where there is a d

a - 0.4 = d

a - 0.4 = 156.9

Add 0.4 on both sides of the equation

a = 157.3 cm

Asami's height is 157.3 cm



7 0
3 years ago
Read 2 more answers
N/2+5=3 what does n equal?
erica [24]

Answer:

n=-4

Step-by-step explanation:

n/2+5=3

n/2=-2

n=-4

6 0
2 years ago
Read 2 more answers
The matrix method is being used to solve the system of equations x + 2y = 4 and 3x - y = 6.
Ira Lisetskai [31]

Answer: b) multiply row 1 by -3 and add the result to row 2


Step-by-step explanation:


8 0
3 years ago
What is the total area of the figure below? ​
ki77a [65]

Answer:

D

Step-by-step explanation:

28×14=392, which generally already gives you the answer. But the extra area is a trapezoid so we do 4+6=10×2(height)=20, but we have to divide by two since its a trapezoid giving us 10. So 10+392=402

7 0
3 years ago
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