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Anna35 [415]
3 years ago
7

A train leaves at 11.15 and arrives at its destination at 12.23. If the train travelled 95 km, what was it's average speed in km

/h? Give your answer rounded to 1 dp.
Mathematics
1 answer:
xxMikexx [17]3 years ago
4 0

Answer:

Average speed v = 83.8 km/h

Step-by-step explanation:

Given;

Distance travelled = 95 km

Time taken t = 12.23 - 11.15 = 1 hour 8 minutes

t = 1 + 8/60 hours = 1.133 hours.

Average speed v = distance travelled/time taken

substituting the values;

v = 95 km ÷ 1.133 hours

Average speed v = 83.8 km/h

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MAVERICK [17]

Answer:

Jessica will have saved $175, and Ron will have saved $165.

Step-by-step explanation:

Jessica starts out with $50. She adds $25 each week, and it's asking how much money she would have in 5 weeks. So, you multiply $25 by 5 to get $125. Then, you add $50 to that to get $175. Same thing for Ron. Multiply $25 by 5 to get $125, but this time add $40 to it to get $165.

6 0
2 years ago
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The sum of two numbers is 30.the first number is 1/5 of the second number. what are the numbers?
gizmo_the_mogwai [7]
The 2md number can be y. This makes the first number 1/5 of y

Your equation is y + 1/5y = 30
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6 0
3 years ago
The area of a rectangular plank is 4500 cm². The plank was broken into two pieces, one of which is a square and the other a rect
svp [43]

Answer:

Xs=30cm and As=900 cm^{2}

Step-by-step explanation:

At=As+Ar; A=b.h and At=4500 cm^{2}, then:  At=(x+120)x so

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3 0
3 years ago
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Can someone write −4 and (6, 4) in standard form. -4 is the slope. I need it as one answer.
steposvetlana [31]

Answer:

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Step-by-step explanation:

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What is the equation of the exponential graph shown?
Evgesh-ka [11]

Answer:

  • f(x) = 100*(1/2)ˣ

Step-by-step explanation:

<u>Exponential function is:</u>

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<u>Use two points on the graph to determine the value of a and b:</u>

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<u>Find the values of a and b:</u>

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<u>The function is:</u>

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