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Rufina [12.5K]
4 years ago
7

Someone Help me please??

Mathematics
2 answers:
11Alexandr11 [23.1K]4 years ago
8 0
It will be identical, this will explain it https://www.wyzant.com/resources/answers/165599/how_many_degrees_can_a_regular_pentagon_be_rotated_a...
Tatiana [17]4 years ago
4 0
A 72° rotation would be 1/5 of the way around. So, turned counterclockwise, N would now be in position E.

There is your answer!
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The end points of one diagonal of a rhombus are (0,-8) and (8,-4). If the coordinates of the 3rd vertex are (1,0), what are the
Nitella [24]
Diagonal of a Rhombus are perpendicular & intersects in their middle point:
Assume the diagonals intersects in H

A(0,-8), B(1,-0), C(8,-4) & D(x, y) are the vertices of the rhombus and we have to calculate D(x, y)

Consider the diagonal AC. Find the coordinate (x₁, y₁) H, the middle of AC
Coordinate  (x₁, y₁) of H, middle of A(0,-8), C(8,-4)
x₁ (0+8)/2 & y₁=(-8-4)/2 ==> H(4, -6)
Now let's calculate again the coordinate of H, middle of the diagonal BD
B(1,-0), D(x, y)
x value = (1+x)/2 & y value=(y+0)/2 ==> x= (1+x)/2 & y=y/2
(1+x)/2 & y/2 are the coordinate of the center H, already calculated, then:
H(4, -6) = [(1+x)/2 ,  y/2]==>(1+x)/2 =4 ==> x=7 & y/2 = -6 ==> y= -12

Hence the  coordinates of the 4th vertex D(7, -12)
7 0
4 years ago
Sid intended to type a seven-digit number, but the two 3's he meant to type did not appear. What appeared instead was the five-d
Karo-lina-s [1.5K]

Answer: D. 21ways.

Step-by-step explanation:

This is based on selection, fixing two '3' numbers into 5numbers to make it 7 numbers can be done in 7C2 ways.

Generally, nCr = n!/(n-r)!r!

7C2 = 7!/(7-2)!2!

=7!/5!2!

=7×6×5!/5!×2!

=7×6/2

=21ways (D)

3 0
3 years ago
Which set of absolute values is compared correctly?
torisob [31]
Mmmmmmmmmmmmmmmm ok ok
6 0
3 years ago
Please help . I’ll mark you as brainliest if correct!
enot [183]

Answer:

\boxed{\ g(x)=\dfrac{1}{4}|x-2|+1 \ }

Step-by-step explanation:

As the graph is passing via (2,1) and (-6,3)

g(x)=\dfrac{1}{4}|x-2|+1

8 0
3 years ago
Alice is saving money at a constant rate. Suppose she initially has $70 saved, and after 2 months, she has $170 saved.
timofeeve [1]

Answer:

50 dollars per month

Step-by-step explanation:

Given

Months = 2

Total = 170

Initial = 70

Required

Determine the rate of savings

Suppose in a month, she saves x amount.

In 2 months, she would save 2x

When 2x is added to the initial savings, it gives the total amount saved.

So, we have:

2x + 70 = 170

Collect Like Terms

2x = 170 - 70

2x = 100

Divide both sides by 2

x = \frac{100}{2}

x = 50

<em>Hence, she saves $50 dollars monthly</em>

3 0
3 years ago
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