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Sergio039 [100]
3 years ago
14

3/5 of a number is 21Find the number. ​

Mathematics
1 answer:
Svet_ta [14]3 years ago
6 0

Answer:

35

Step-by-step explanation:

if you divide 21 by 3, which is 7, then multiply that number by 5, it gives you thirty five then you can go back and check your work, 35/5 times 3

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A car can travel 400 miles on a full tank of petrol. A more efficient car can travel 32% further. How many miles can it travel o
Lorico [155]

Answer:

Answer:160 miles


Explanation:

You can work out this type of question by using the 'unitary' method, which means finding out how much for ONE.


If you set out the steps with short sentences it will be clearer.


 

On 15 gallons, a car can travel 400 miles÷15↓

On 1 gallon, a car can travel 400÷15=262


miles


Once you know the distance travelled on 1 gallon of fuel, you can work out the distance travelled for any number of gallons.


 

On 6 gallons the car can travel

6

×

26

2

3

miles.

(6 times further than on 1 gallon)


6

×

80

3

=

160

miles

Step-by-step explanation:


3 0
3 years ago
Find the equation of a line that contains the points (6,3) and (6,−2).
RSB [31]

Answer:

x  = 6

Step-by-step explanation:

First find the gradient,

Gradient = \frac{y2-y1}{x2-x1} = \frac{-2-3}{6-6} =\frac{-5}{0} =0

Since this line has no gradient, it means that it's a horizontal or vertical line. We cannot substitute in the values because the gradient is 0 so this line will only be x = 6

3 0
3 years ago
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What is a human and what does it do
Lunna [17]

Answer:

The human is an primate of the family of the hominids

Step-by-step explanation:

Humans possess mental abilities that enable them to invent, learn, and use complex linguistic structures

5 0
2 years ago
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What the grid area equals
Bess [88]
It is 18because you have to count the blocks
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What is the lcm of 3 and 8
abruzzese [7]
The LCM of 3 and 8 is 24.
8 0
3 years ago
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