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barxatty [35]
4 years ago
5

1. Increase £92 by 40%

Mathematics
1 answer:
yanalaym [24]4 years ago
5 0

Answer:

1. Increase £92 by 40% = £128.8

2. Increase £150 by 13% = £169.5

3. Decrease £75 by 80% = £15

4. Decrease £440 by 18% = £360.8

Step-by-step explanation:

1. Increase £92 by 40%

40/100 + 92

0.4X92

36.8

92+36.8

£128.8

2. Increase £150 by 13%

13/100 X 150

0.13X150

19.5

150+19.5

£169.5

3. Decrease £75 by 80%

80/100 X 75

0.8X75

60

75-60

£15

4. Decrease £440 by 18%

18/100 X 440

0.18X440

79.2

440-79.2

£360.8

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Slope intercept form of slope 5 and (2,3)<br><br> explain please!
Bingel [31]

Answer:

<h2>y = 5x - 7</h2>

Step-by-step explanation:

The slope-intercept form:

y=mx+b

m - slope

b - y-intercept

We have the slope m = 5. Therefore we have the equation

y=5x+b

Put the coordinates of a given point (2, 3) to the equation:

x = 2, y = 3

3=5(2)+b

3=10+b            <em>subtract 10 from both sides</em>

-7=b\to b=-7

Finally:

y=5x-7

7 0
3 years ago
Cathy and iris are planning trips to nine countries this year. There are 13 countries they would like to visit. They are decidin
Goshia [24]

Cathy and Iris have 259,459,200 ways to skip countries.

Data;

  • Number of countries they are planning to visit = 9
  • Number of countries they would like to visit = 13

<h3>Combination</h3>

To solve this problem, we would have to use a mathematical procedure known as combination.

Let us calculate the number of countries that would have to skip.

13 - 9 = 4

To decide which country they have to skip, it would be 4 out of 13.

x = ^1^3C_4 = \frac{13!}{4!}

Let's solve this

\frac{13!}{4!} = \frac{13*12*11*10*9*8*7*6*5*4*3*2*1}{4*3*2*1}\\ \frac{13!}{4!} = 13*12*11*10*9*8*7*6*5 = 259459200 ways

Cathy and Iris have 259,459,200 ways to skip countries.

Learn more on combination here;

brainly.com/question/12468032

6 0
2 years ago
Is it possible to form a triangle with the side lengths of 3, 4, 6 ?
kow [346]

Answer:

yes, it is

Step-by-step explanation:

it will be an obtuse scalene triangle.

7 0
3 years ago
Read 2 more answers
44.5 + g = 50 answer
soldi70 [24.7K]

Answer:

44.5 + g = 50 \\ g = 50 - 44.5 \\ g = 5.5

3 0
3 years ago
Solve one step equation <br><br><br> -9x = 45
iogann1982 [59]

Answer:

x=-5

Step-by-step explanation:

45÷-9=-5

6 0
2 years ago
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