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denis-greek [22]
3 years ago
11

Which angle is adjacent to ∠4? ∠2 ∠3 ∠5 ∠8

Mathematics
2 answers:
Agata [3.3K]3 years ago
7 0

Answer:

I think it is b

Step-by-step explanation:

Zina [86]3 years ago
4 0
The answer is d, adjacent means that they have the same amount of degrees and since angle 4 and angle 8 are right across from each other that means they have the same amount of degrees.
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30 yards = how many feet?
mrs_skeptik [129]

30 yards = 90 ft

3.5 pounds = 56 oz

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8 0
3 years ago
Read 2 more answers
Keisha says that all functions are relations but not all relations are functions. kevin says that all relations are functions bu
vladimir1956 [14]

Keisha is correct, because as per the definition <u>A function is a special relationship where each input has a single output</u>.

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All functions are relations but not all relations are functions.


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

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
Bill says that the algebraic expression 6y+3-y has been simplified. Is Bill correct? Explain.
Nadya [2.5K]
no it is not simplified because there are two y values
6 0
3 years ago
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Jessica's penny bank is 1/3 full. After she adds 80 pennies, it is 1/2 full. How many pennies can Jessica's bank hold?
Ilia_Sergeevich [38]
3x = B
(x + 80 = 1/2B) * -3
-3x-240 = -3/2B

-240 = -1/2B
B=480 pennies



6 0
3 years ago
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