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3 years ago

14b=-56 what is the answer

Mathematics

1 answer:

inessss [21]3 years ago

8 0

Divide 14 by iits opposite (-14) to cancel and divide on the other sid eof equal street to get the answer positive 4

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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

2 years ago

100 divided by 32 will give brainliest

Paha777 [63]

Answer: 3.125

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Solve for x<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B2%7D%20%20%2B%20%20%5Cfrac%7B3%7D%7B4%7D%20%20%3D%2010" id=

Degger [83]

Answer:

x = 18.5

Step-by-step explanation:

Given

$\frac{x}{2}$ + $\frac{3}{4}$ = 10

Multiply through by 4 to clear the fractions

2x + 3 = 40 ( subtract 3 from both sides )

2x = 37 ( divide both sides by 2 )

x = $\frac{37}{2}$ = 18.5

6 0

3 years ago

Read 2 more answers

Suppose a politician sent out 860 surveys. Which of these numbers of

sladkih [1.3K]

Answer:

860

Step-by-step explanation:

A non-response bias would mean that there are some non-response surveys, which will create a bias in the survey results. Because the survey didn't include information from those who are not responded.

If there will be 860 surveys back, this would prevent non-response bias

7 0

2 years ago

The rectangle has an area of x^2-7x+10 square meters and a width of x−5 meters. What expression represents the length of the rec

Katyanochek1 [597]

Answer:

length = x - 2

Step-by-step explanation:

Area (A) of rectangle = lw ( l is the length and w the width )

A = x² - 7x + 10 = (x - 2)(x - 5) ← in factored form

l = $\frac{A}{w}$ = $\frac{(x-2)(x-5)}{x-5}$

cancel the factor (x - 5) on the numerator/ denominator, hence

l = x - 2

8 0

3 years ago