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Alex787 [66]
3 years ago
14

What is the relation between distance travelled by a train and its speed, when time is constant?

Mathematics
1 answer:
Oliga [24]3 years ago
4 0

Answer:

direct relation between distance travelled by a train and its speed, when time is constant.

Step-by-step explanation:

We know that the speed of an object is the total distance covered divided by total time taken. Mathematically, it is given by :

v=\dfrac{d}{t}

Where

d is distance

t is time taken

It can be seen that relation between the distance and the speed is direction. Hence the correct option is (a) "direct".

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Complete the the ratio to convert the units of measure from ounces to grams to ounces ?​
otez555 [7]

Answer:

84 and 5

3x28=84

140 divided by 28=5

7 0
3 years ago
A new baby is born in France the newspaper reports the baby's mass to be 1.5×10³ kg
Ira Lisetskai [31]

The question only supplied us with the mass of the new baby which is:

1.5\cdot10^3\operatorname{kg}\Rightarrow1500\operatorname{kg}

This mass is too bizzarre & unrealistic for

4 0
1 year ago
In the United States, 13 out of every 20 cans are recycled. What percentage of cans are recycled?
RUDIKE [14]

Answer: 65%

Step-by-step explanation: divide 13/20 and get .65 which is 65%

7 0
3 years ago
Read 2 more answers
The object on the right is made from a square based pyramid...
natima [27]

Answer:

7.81\ g/cm^3

Step-by-step explanation:

step 1

Find the volume of the cuboid

The volume is equal to

V=(6^2)(9)=324\ cm^3

step 2

Find the mass of the cuboid

Remember that

The density is equal to divide the mass by the volume

so

The mass is equal to multiply the volume by the density

m=(324)(0.68)=220.32\ g

step 3

Find the mass of the square base pyramid

subtract the mass of the cuboid from the total mass

970-220.32=749.68\ g

step 4

Find the volume of the pyramid

The volume is equal to

V=\frac{1}{3}(6^2)(8)= 96\ cm^3

step 5

Find the density of the steel (pyramid)

divide the mass of the pyramid by the volume of the pyramid

749.68/96=7.81\ g/cm^3

8 0
4 years ago
6(9x + 7)<br><img src="https://tex.z-dn.net/?f=6%289x%20%2B%207%29%20%20%3D%20" id="TexFormula1" title="6(9x + 7) = " alt="6(9x
dybincka [34]

Answer:

54x + 42

Step-by-step explanation:

To expand this expression, we use the rule

x(y + z) = xy + xz

Therefore,

6(9x + 7)

is equal to

6 \times 9x + 6 \times 7

which simplified, becomes

54x + 42

3 0
3 years ago
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