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posledela
3 years ago
11

Last year jo paid £245 for her car insurance. This year she paid£883 for her car insurance. What was the percentage increase

Mathematics
1 answer:
Kipish [7]3 years ago
4 0

Answer:

72.2%

Step-by-step explanation:

Given data

Initial price=  £245

Final price= £883

% increase= Final - Initial / final  *100

% increase=883 - 245 / 245 *100

% increase= 638 / 883 *100

% increase=0.722*100

% increase=72.2%

Hence the increase is 72.2%

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3 years ago
write the slope intercept equation. the graph of f passes through (-6,4) and is perpendicular to the line that has an x-intercep
Nimfa-mama [501]

Answer:

y = -\frac{1}{3} x + 2

Step-by-step explanation:

The slope of the line that has an x intercept of (2,0) and y-intercept of (0,-6) is:

Slope(s) = Change in y ÷ change in x

s = \frac{0 - -6}{2 - 0} = 3

The slope of the perpendicular line to this line with slope of 3 has to have a slope of -1 ÷ 3 = -\frac{1}{3}

Reason: The product of slopes of lines perpendicular to each other have to be -1

So the slope of the perpendicular line that passes through (-6,4) is -\frac{1}{3}

As mentioned earlier, we derive a slope of a line by dividing the change in y by the change in x

Taking another point (x,y) on the line,

-\frac{1}{3} = \frac{y - 4}{x - -6}

-\frac{1}{3} = \frac{y - 4}{x + 6}

y - 4 = -\frac{1}{3}x - 2

y = -\frac{1}{3}x + 2

5 0
2 years ago
Find the mean of the numbers<br> 1, -3, -10<br> -15, 4, -22<br> -7.5, 3, -6.5
Travka [436]

Answer:

13. -4 14. -11 15. -\frac{11}{3}

Step-by-step explanation:

13. (1-3-10)/3

14. (-15+4-22)/3

15. (-7.5+3-6.5)/3

5 0
2 years ago
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KonstantinChe [14]

Answer:

8%

Step-by-step explanation:

To find the percent change, we first have to find the amount changed, which is (46000-42500) = 3500. Then, we find what percentage that is of the original amount. Remember that when calculating percentage change, it's important to calculate change with respect to the initial value.

To find the percentage, we can divide 3500 by 42500, and multiply that by 100, resulting in 8 being our nearest whole percent

7 0
3 years ago
In a geometric progression, the first tern is 81 and the fourth term is 24. find the common ratio​
lesantik [10]

Step-by-step explanation:

<h2><u><em>81/24</em></u></h2><h2><u><em>= 27/8</em></u></h2>

8 0
3 years ago
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