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2 years ago

Pleade god help me find someone to help me thank you

Mathematics

1 answer:

madam [21]2 years ago

4 0

Answer:

Step-by-step explanation:

makin a chart :)

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A map of Australia has a scale of 1cm : 110 km. If the distance between Darwin and Alice springs is 1444 kilometers, how far apa

goldenfox [79]

You divide 1444 kilometers by 110 kilometers to get x cm.

1444/110 = <span>13.127

x = 13.127 cm

hope this helps</span>

5 0

3 years ago

What is the constant of proportionality in the equation<br> X/y=2/9

mart [117]

Answer:

the answer is 2/9

Step-by-step explanation:

x/y=2/9

y=9/2 x

6 0

3 years ago

6. What is the result of multiplying the digit in the hundredths place by

Setler [38]

Answer:

B.9

Step-by-step explanation:

9*1=9

6 0

3 years ago

If f(x) = 2x2 +5/(x-2), complete the following statement:

faust18 [17]

For this case we have the following function:

$f (x) = 2x ^ 2 + \frac {5} {x-2}$

By definition, we have that the domain of a function is given by all the values for which the function is defined. The given function is not defined when the denominator is zero.

So:

$x-2 = 0\\x = 2$

Thus, the function is not defined at $x = 2.$

The domain is given by all real numbers except 2.

Answer:

The domain is given by all real numbers except 2.

3 0

3 years ago

Determine a series of transformations that would map polygon ABCDE onto polygon A’B’C’D’E

zalisa [80]

Answer:

Reflected across x-axis followed by a dilation with a scale factor of 2 about the origin.

Step-by-step explanation:

It's clear from the graph,

Polygon ABCDE is reflected across x-axis then dilated so that it overlaps polygon A'B'C'D'E'

Let's choose a point A having coordinates (-2, -1)

By reflecting point A across x-axis,

Rule to be followed for the reflection,

(x, y) → (x, -y)

By this rule, coordinates of the image point A will be,

A(-2, -1) → A"(-2, 1)

Now point A"(-2, 1) has been dilated by a scale factor = k to form an image points A'(-4, 2).

Rule for the dilation of a point about the origin is,

A"(x, y) → A'(kx, ky)

A"(-2, 1) → A'(-2k, k)

Since, coordinates of point A' are (-4, -2),

Therefore, -2k = -4

k = 2

Hence, polygon ABCDE was reflected across x-axis followed by a dilation with a scale factor of 2 about the origin to form polygon A'B'C'D'E'.

3 0

3 years ago