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Anna35 [415]
3 years ago
11

A train leaves at 14:56 and arrives at 16:43. It travelled at an average speed of 135 km/h. How far did it travel? Give your ans

wer in km to 1DP.
Mathematics
1 answer:
Firlakuza [10]3 years ago
8 0

Answer:

240.8

Step-by-step explanation:

→ Calculate time taken

16:43 - 14:56 = 1 hour and 47 minutes

→ Write the speed formula and make distance the subject

Speed = Distance ÷ Time ⇔ Distance = Speed × Time

→ Convert 1 hour and 47 minutes into decimal format

1.78333333 or  1\frac{47}{60}

→ Substitute values into formula

135 ×  1\frac{47}{60}  = 240.75

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What is the inverse of the function f(x) = x +3?
harkovskaia [24]

Answer:

x=y+3

Step-by-step explanation:

you just swap variables.

4 0
3 years ago
-5y - 6bStep 1 of 2: Identify the first term of the algebraic expression. Indicate whether theterm is a variable term or a const
ira [324]

Answer:

a. Variable term

b. Variable term

Explanation:

a) We were given the algebraic expression:

-5y-6b

The first term of the algebraic expression is:

-5y

The first term is a variable term

The variable is "y" and its coefficient is "-5"

b) We were given the algebraic expression:

-5y-6b

The second term of the algebraic expression is:

-6b

The second term is a variable term

The variable is "b" and the coefficient is "-6"

6 0
1 year ago
I need help, I don’t need an explanation, just the answer
meriva

Answer:

x = 48 \:  \:  \:  \:  \:  \: y = 16

Step-by-step explanation:

y =  - x + 4y

y + x = 4y

y + x - 4y = 0

- 3y + x = 0

- x + 4y = 16

- 3y + x = 0

- 3y =  - x

y =  -  \frac{1}{3} ( - 1)x

y =  \frac{1}{3} x

4 \times ( \frac{1}{3} )x - x = 16

\frac{1}{3}x = 16

x = 48

y =  \frac{1}{3}  \times 48

y = 16

Hope this is correct and helpful

HAVE A GOOD DAY!

5 0
3 years ago
Read 2 more answers
If 5 is decreased by 3 times a number, the result is negative four
JulsSmile [24]
No. It would be negative 5.
7 0
2 years ago
A die is rolled 30 times. How many times can you expect it to land on a number less than 5?
erma4kov [3.2K]

Answer:

5/6 is your answer

Step-by-step explanation:

no. of favourable observation/ total no of observation

6 0
3 years ago
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