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aleksley [76]
3 years ago
9

Find the gradient of the line that passes through the points (5, 1) and (2, -5)

Mathematics
2 answers:
dsp733 years ago
8 0
Change y / change x = gradient
-5 - 1 = -6 2-5 = -3

-6/-3 = 2 so

gradient = 2
Temka [501]3 years ago
3 0

❤❤❤❤❤❤❤❤❤❤❤❤❤❤

Suppose :

a = ( 5 , 1 ) and b = ( 2 , - 5 )

______________________________________

We have following equation to find the slope of the line using two points :

slope =  \frac{y(b) - y(a)}{x(b) - x(a)}  \\

Now just need to put the coordinates in the above equation ;

slope =  \frac{ - 5 - 1}{2 - 5}  \\

slope =  \frac{ - 6}{ - 3}  \\

Negatives simpliflies

slope =  \frac{6}{3}  \\

slope =  \frac{3 \times 2}{3}  \\

slope =  \frac{2}{1}  \\

slope = 2

❤❤❤❤❤❤❤❤❤❤❤❤❤❤

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If the radius of the circle was doubled what effect would it have on the area
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Answer:

Step-by-step explanation:

If the radius of a circle is doubled, the area of the circle will be quadrupled and the circumference will also be doubled. This makes sense because the area of a circle is directly proportional to the square of the radius of the circle (if the radius of a circle is increased x times, its area will be increased to x^2 times the original area), whereas the circumference is proportional to the size of the radius (if the radius of a circle is increased x times, its circumference will increase x times).

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125 cm to 87.4 cm percent of change
netineya [11]

Answer:

% Change = (87.5 - 125) / 125 * 100%

= -37.5 / 125 * 100%

= -0.3 * 100%

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3 years ago
Enter the numerator and the denominator of the fraction in simplest form that is equal to 0.7 repeating
valentinak56 [21]

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\frac{7}{9\\}

Step-by-step explanation:

8 0
1 year ago
In 2007, the population of Ecuador was estimated at
swat32

Answer:

In 2012 , the population will be 15 million

Step-by-step explanation:

We start by setting up an exponential equation that defines the increase

P(t) = I(1 + r)^t

P(t) represents the present population = 15 million

I is the population in 2007 which is 13.8 million

r is 1.6% = 0.016

t is what we want to calculate

15 million = 13.8 million (1 + 0.016)^t

15/13.8 = (1.016)^t

1.09 = (1.016)^t

ln 1.09 = t ln 1.016

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8 0
3 years ago
HELP
aleksandrvk [35]

Answer:

3,1

Step-by-step explanation:

(3+6)= 9

times 1 would also be 9.

4 0
2 years ago
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