2 years ago

(b) The train is 61 cm long and travels at a speed of 18 cm/s.

Mathematics

2 answers:

mixer [17]2 years ago

5 0

Answer:

The length of the bridge is 72 cm

Step-by-step explanation:

In order to find the length of bridge, we have to apply distance formula which is D = S × T where S represents speed and T is time :

$d = s \times t$

$let \: s = 18,t = 4$

$d = 18 \times 4$

$d = 72 \: cm$

xz_007 [3.2K]2 years ago

3 0

Answer:

It goes 18 cm every second:

18 x 4 = 72 cm

The bridge is 72 cm long.

Hope this helps!

You might be interested in

Help please look below

Gwar [14]

A is located, as you look A is past -2 almost hitting -3 making the mark 2.8 so the answer is A

3 0

2 years ago

Which equation represents a linear function? Select two answers.

Deffense [45]

Equations that represents a linear function are Answers A and D

5 0

1 year ago

Elena surveyed her classmates to see how many like to make jewelry. When she asked 20 of her classmates, 50 percent said they li

nordsb [41]

10 students of Elena's classmates like to make jewellery.

Step-by-step explanation:

Let total no.of classmates who liked the jewellery = x

Here, in the given problem, given she asked her classmates '20'. So, it clearly shows that total number of students/classmates = 20. Also, in that, 50% said like to make jewellery. Now find 'x' as below,

$x = 50 \% \text { of } 20$

$x = \frac{50}{100} \times 20$

$x = 10$

Hence, the total number of classmates who liked to make Jewellery = 10

5 0

2 years ago

Recording the number of pages in each book in one book shelf in a library is an example of measuring a _____.

Wewaii [24]

B because why can’t it ! Heheehebe. She herb

3 0

2 years ago

The product of the roots of 5 - 2m - 3m^2 = 0 is: A. -5/3 B. -3/5 C. 5/3

dimaraw [331]

m= −5/3 ,swnkadkjkkjmd,m,mdas

7 0

2 years ago

Read 2 more answers