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Leni [432]
3 years ago
8

Atrain leaves a station and travels north at 50 kmh Four hours later a second train leaves on a paralel track and travels north

at 90 km hr How far from the station will they meet?
To fa c e yourself with the problem complete the following chart
DISTANCE
RATE
TIME
EQUATION
SLOW TRAIN
FAST TRAIN
Mathematics
1 answer:
ryzh [129]3 years ago
3 0

Answer:

Step-by-step explanation:

50 X 4= 200

90 X 5=450

50 X 5=250

200 + 250 = 450

Therefore it takes 5 hours for train B which is the train moving at 90 km per hr  to catch up to train A.

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Margarita [4]

Answer:

G

Step-by-step explanation:

Red marble probably currently: 12/32 = 3/8

Guess and check (using the multiple choice answers):

F: 12 + 13 / 32 + 13 = 25/45 = 5/6; does not equal 3/5

G: 12 + 18 / 32 + 18 = 30/50 = 3/5; does equal 3/5

H: 12 + 28 / 32 + 28 = 40/60 = 2/3; does not equal 3/5

J: 12 + 32 / 32 + 32 = 44/64 = 11/16; does not equal 3/5

K: 12 + 40 / 32 + 40 = 52/72 = 13/18; does not equal 3/5

8 0
3 years ago
Does this company do swim wear?
Vlad [161]
What do you mean exactly? I will help you if you provide more information. 
5 0
4 years ago
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In Part C, you determined that the proper ratio of packages of buns, packages of patties, and jars of pickles is 3:2:4. If you w
andrew-mc [135]

Answer:

packages of buns = 1,260

packages of patties = 840

Jars of pickles = 1,680

Step-by-step explanation:

packages of buns = 3

packages of patties = 2

Jars of pickles = 4

Number of people = 420

Each person of the 420 people gets packages of buns, packages of patties, and jars of pickles in the ratio 3:2:4

packages of buns needed for 420 people = 3 × 420

= 1,260

packages of patties needed for 420 people = 2 × 420

= 840

Jars of pickles needed for 420 people = 4 × 420

= 1,680

packages of buns = 1,260

packages of patties = 840

Jars of pickles = 1,680

To feed at least 420 people minimum number of packages of buns, packages of patties, and jars of pickles needed is 1,260, 840, 1,680 respectively.

3 0
3 years ago
95 minus a(b plus c) , when a eqaul 9,b eqaul 3, and c eqaul 7.4
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Answer: 1.4


Step by Step Explanation:
95-a(b+c)
1) Substitute the variables with the given numbers.
95-9(3+7.4)
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95-9(10.4)
3) Multiply -9 and 10.4.
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3 years ago
Solve 2(x+3) = x - 4
Andrews [41]
X=2 is the answer do you need to know why
8 0
3 years ago
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