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2 years ago

I need help with number two

Mathematics

2 answers:

Nataly_w [17]2 years ago

6 0

The answer is 45 because if you do 9x5=45

Temka [501]2 years ago

3 0

Ok all you have to do is 9 times 5 so the answer is 45

hope i helped

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What is the mean absolute deviation of the following set

Verdich [7]

Answer:

Step-by-step explanation:

The mean absolute deviation of a dataset is the average distance between each data point and the mean.

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2 years ago

I need help with all three please help!

denis-greek [22]

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Step-by-step explanation:

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The perimeter of the scalene triangle is 54.6 cm. Which equation can be used to find the value of b if side a measures 8.7 cm?

77julia77 [94]

A scalene triangle is a triangle that has 3 sides that are all different lengths.

Let these letters represent the problem:

a = 8.7

b = side 2

c = side 3

P = 54.6

To find the perimeter, we just need to add all the sides [ P = a + b + c ]

So, put what we have in the formula above.

54.6 = 8.7 + b + c

Best of Luck!

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2 years ago

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4/6 + 1/12. Quick answer.

Fynjy0 [20]

nvm lol 3/4( had to redo

6 0

2 years ago

The line CD passes through the points C (2, -1) and D (1, 1). Which of the

inn [45]

Answer:

The equation of the straight line in point - slope form

y +1 = -2 ( x-2)

Step-by-step explanation:

Step(i):-

Given points are C( 2,-1) and D(1,1)

Slope of the line

$m = \frac{y_{2}-y_{1} }{x_{2}-x_{1} } = \frac{1-(-1)}{1-2} = \frac{2}{-1} = -2$

m = -2

Step(ii):-

Equation of the straight line passing through the point ( 2,-1) and having slope

m =-2

y - y₁ = m ( x- x₁)

y - (-1) = -2 ( x-2)

y +1 = -2 ( x-2)

Final answer:-

The equation of the straight line

y +1 = -2 ( x-2)

3 0

2 years ago