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kiruha [24]
3 years ago
13

gavin and jim win some money and share it in the ratio 4:5. gavin get £20. home much did they win in total

Mathematics
2 answers:
Scilla [17]3 years ago
3 0

Answer:

25

Step-by-step explanation:

FromTheMoon [43]3 years ago
3 0

Answer:

£45

Step-by-step explanation:

Gavin's share of £20 is 4 parts

Divide by 4 to find the value of one part of the ratio.

£20 ÷ 4 = £5← value of 1 part, thus

5 parts = 5 × £5 = £25

Thus Jim got £25

Hence total won = £20 + £25 = £45

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Bezzdna [24]

Answer:

The answer would be C.

Step-by-step explanation:

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What is the next number in the sequence?
nikdorinn [45]

Answer:

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1,024

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3 0
2 years ago
Carlota wrote the equation y + 1 = 2 (x - 3) for the line passing through the points (-1, 3) and (2, 9). Explain and correct her
Art [367]

For this case we have the following equation:


y + 1 = 2 (x - 3)

That can be rewritten in the form y = mx + b

Where:


  • m is the slope of the line
  • b is the cut point

So, we have:


y + 1 = 2 (x - 3)\\y + 1 = 2x-6\\y = 2x-6-1\\y = 2x-7

Where:


m = 2 is the slope


b = -7 is the cut point


Carlota has the following points:


(-1, 3) and (2, 9)


To know if the line y = 2x-7 passes through these points, we must replace them in the equation and the equality must be fulfilled. So:


Point (-1, 3):


Substituting:


3 = 2 (-1) -7\\3 = -2-7

3 = -9 It's false, equality is not met. The point (-1, 3) does not go through the line.


The equation written by Carlota is erroneous, the procedure to follow is:


Given(x1, y1) = (- 1, 3) and(x2, y2) = (2, 9), we find the slope:


m=\frac{(y2-y1)}{(x2-x1)}

m=\frac{(9-3)}{(2-(-1))}

m=\frac{6}{3}

m=2

We observe that the slope found by Carlota is the same. Let's see cut point "b". For this we substitute any of the points given in the equation:


y = 2x + b

Substituting (2,9) we have:


9 = 2 (2) + b\\9 = 4 + b\\b = 9-4\\b = 5

Thus, Carlota's error was at the cut-off point. The correct equation of the line that passes through the given points is y = 2x + 5

Answer:


The correct equation of the line that passes through the given points is y = 2x + 5

Carlota's mistake was at the cutoff point


5 0
3 years ago
you earned $112.00 last time you babysat for 7 hours.The same family asks you to babysat for 8 hours this time.They will pay you
guapka [62]

You will earn $128.00 because when you divide $112.00 by 7 you get 16. Then you multply 16 by 8 and get $128.00

Hope I was helpful!

3 0
3 years ago
Can you divide a donut into 5 pieces (doesn't have to be equal)? If so could you explain or draw a diagram. using 2 straight cut
svp [43]

Answer:

no

Step-by-step explanation:

Its not possible to make 5 pieces with only 2 cuts. Anyway you use your two cuts would not result in 5 pieces

6 0
2 years ago
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