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larisa86 [58]
3 years ago
9

If a train leaves at a station at 2315 hours and arrives at 0330 hours what is its journey time

Mathematics
2 answers:
Margaret [11]3 years ago
4 0
<u>ANSWER:</u><u /> 4:15 hrs (255 minutes)<u>
EXPLANATION
</u>
<u />2315 (11:15pm) is 45 minutes away from midnight.
Midnight is then 3 and a half hours (210 minutes)<em> </em>from midnight.

Total of that is 255 minutes or 4:15 hrs
FrozenT [24]3 years ago
3 0
2315=11:15pm
0330=3am
12pm to 3pm is 3 hours
so just add 45 minutes
so the answer is 3 hours and 45 minutes
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The sum of an infinite geometric series is 450, while the common ratio of the series is 4/ 5 . What is the first term of the ser
pogonyaev

Answer:

answer is 90 for first term

Step-by-step explanation:

Let the terms be  

First term x

We will use the formula s∞=x/1−r to find the sum of an infinite geometric series, where −1<r<1.  

We know the sum and the common ratio, so we'll be solving for x where r =4/5

s∞=x/1−r

450=x/1−4/5

450=x/1/5

450=5x

x=90

this is the first term x1 = 90

we know that common ratio is 4/5, so multiplying the first term by factor 4/5 to get the second term  

90 x 4/5=   72 second term  

7 0
3 years ago
Read 2 more answers
Marcus needs 3 1/10 m of blue fabric and 1 1/5 m of yellow fabric to make his costume. How much more blue fabric than yellow fab
Kamila [148]

Answer:

1\frac{9}{10}\ m

Step-by-step explanation:

we know that

To find out how much more blue fabric than yellow fabric does Marcus need, subtract the quantity of yellow fabric from the quantity of blue fabric

step 1

Convert mixed number to an improper fraction

3\frac{1}{10}\ m=\frac{3*10+1}{10}=\frac{31}{10}\ m

1\frac{1}{5}\ m=\frac{1*5+1}{5}=\frac{6}{5}\ m

step 2

Subtract the numbers

\frac{31}{10}-\frac{6}{5}=\frac{31}{10}-\frac{12}{10}=\frac{19}{10}\ m

Convert to mixed number

\frac{19}{10}\ m=\frac{10}{10}+\frac{9}{10}=1\frac{9}{10}\ m

7 0
3 years ago
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Which Expression can be used to solve 3/5÷7/10A. 5/3*7/10B. 5/3*10/7C. 3/5*10/7D. 3/5*7/10
Harrizon [31]

Which Expression can be used to solve 3/5÷7/10



A. 5/3*7/10

B. 5/3*10/7

C. 3/5*10/7

D. 3/5*7/10​

This expression 3/5÷7/10 means

An option to solve the expression is inverting the fraction that is dividing and going to multiply

3/5 x 10/7 C.

________________-

Verification

A and D are the same

6 0
1 year ago
If 2/3 of a number is 10, then what is 0.15 times of that number?
maksim [4K]

Answer:

  • d) 2.25

Step-by-step explanation:

Let the number is x.

<u>2/3 of a number is 10:</u>

  • 2/3x = 10
  • x = 3*10/2 = 15

<u>0.15 times of the number is:</u>

  • 15*0.15 = 2.25

Correct choice is d

7 0
2 years ago
Read 2 more answers
can someone help me understand this? The length of the rectangle is two more then its width. the perimeter of the rectangle is 7
Tema [17]

Answer:

length = 24 meters

Step-by-step explanation:

1. l = 2w

2. P = 2l + 2w

P=72

3. 72 = 2l + 2w

4. Substitute w=l/2 to solve for l

72 = 2l + 2(l/2) ---> 72 = 3L - Divide by 3 on both sides

L= 24 meters

4 0
3 years ago
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