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kobusy [5.1K]
3 years ago
7

a car uses an average of 6 litres of fuel per 100kilometres if the car uses 9 litres of fuel what is the distance covered?​

Mathematics
1 answer:
babymother [125]3 years ago
5 0

Answer:

150 kilometres

Step-by-step explanation:

Imagine it as a ratio 6 : 100

If they have given you the first side which is 9 you need to figure out the other side (9 : ?)

To do this you simply need to figure out how you get from 6 to 9 which is times by 1.5

Then to find the other side you do the same as they are proportional to each other

So 100 times by 1.5 which is 150

This gives you the answer that you can travel 150 kilometres with 9 litres of fuel

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0, -2/5, 0,67, 7/9, -0.5 in order from least to greatest
inessss [21]

Answer:

-0.5,-2/5,0,0.67,7/9

Step-by-step explanation:

Well since the bigger the negative the lesser the number it is itself so -0.5 is the least. The fraction -2/5 turn It into a decimal and you’ll get -0.4 which is greater then -0.5. Then the next number is 0 which is greater then any negative number. Then its 0.67 becuase the other positive fraction Is 0.78 simplified.

7 0
3 years ago
A parent increases a child’s monthly allowance by 20% each year. If the allowance is $8 per month now, in about how many years w
Mazyrski [523]

6 years

A parent increases a child’s monthly allowance by 20% each year. If the allowance is $8 per month now. This is an exponential function, An exponential function is given by:

Let x be the number of years and y be the allowance. The initial allowance is $8, this means at x = 0, y = 8

Since it increases by 20% each year, i.e 100% + 20% = 1 + 0.2 = 1.2. This means that b = 1.2
Therefore:

To find the number of years will it take to reach $20 per month, we substitute y = 20 and find x

x = 6 years to the nearest year
8 0
3 years ago
if i wanted to make a 40,000 payment in one year with a 5% annual interest rate, how much should i invest now?
IRINA_888 [86]

Answer:

38,095.24

Step-by-step explanation:

40,000 = P(1 + 0.05)^1

P = 40,000/1.05

P = 38095.2380952

5 0
3 years ago
Dec 18, 11:45:23 AM
cestrela7 [59]

Answer: 68*

Step-by-step explanation: In pic

7 0
3 years ago
1. what is 60% of 50? 20 or 30?<br> 2. 50% of 40? 20 or 30<br> 3. 12% of 50? 20 or 30
34kurt

Answer:

1: 30

2: 20

3: 6

Step-by-step explanation:

1:   .60 x 50 = 30

2:  .50 x 40 = 20

3. .12 x 50 = 6

Idk why your two answers for 3 are 20 and 30 but neither of those are the answer

5 0
3 years ago
Read 2 more answers
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