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Murljashka [212]
3 years ago
12

An irregular parallelogram rotates 360° about the midpoint of its diagonal. How many times does the image of the parallelogram c

oincide with
Its preimage during the rotation?

Mathematics
1 answer:
Kazeer [188]3 years ago
4 0

Answer:

2.

Step-by-step explanation:

Rotating a figure about the midpoint of its diagonal, the figure will coincide with its pre-image two times: at 180° and at 360°.

This is different than rotating about the origin; for a rotation about the origin, a 180° rotation does not always coincide with the pre-image.

hope that answers ur question :))))

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What is the principal square root of /25?<br> 5<br> 25<br> 50<br> 125
Soloha48 [4]

Answer:

5

Step-by-step explanation:

3 0
3 years ago
1/3 gallon of water 4 plants need the same amount of water how many gallons of water does each plant receive
Kobotan [32]

Answer:

1/12

Step-by-step explanation:

you don't have but 1/3 gallon of water and you need to water 4 plants.  

So, you 1/3 x 1/4 which is going to equal 1/12 alternative form is 0.083, of 12^-1

5 0
3 years ago
Suha is going to buy 150 envelopes.
Katyanochek1 [597]

Suha should buy 150 envelopes from shop 1 because the cost in shop 1 is 0.06 less shop 2.

<u>Step-by-step explanation</u>:

Total number of envelopes = 150

<u>The cost of envelopes :</u>

  • Pack of 25 envelopes in shop 1 = 3.49
  • Pack of 10 envelopes in shop 2 = 2.10
  • Buy 2 packs get 1 pack free in shop 2.

<u>Shop 1 :</u>

The number of packs to buy 150 envelopes = 150 /25 = 6 packs

The total cost to buy 6 packs = 6 × 3.49 = 20.94

The cost of 150 envelopes in shop 1 is 20.94

<u>Shop 2 :</u>

The number of packs to buy 150 envelopes = 150 /10 = 15 packs

  • For each 2 packs you get 1 pack free.
  • 10 packs + 5 free packs = 15 packs

The total cost to buy 10 packs = 10 × 2.10 = 21

The cost of 150 envelopes in shop 2 is 21

The difference between shop 2 and shop 1 = 21 - 20.94 = 0.06

Therefore, the cost in shop 1 is 0.06 less than shop 2. So, Suha should buy 150 envelopes from shop 1.

8 0
3 years ago
Read 2 more answers
Function f(x) is represented on the graph. Which statement identifies the effect of replacing f(x) with 1/2f(x) on the graph? A)
Blababa [14]

Answer:

Option (D)

Step-by-step explanation:

If a function f(x) is represented on a graph and we follow the transformation as,

f(x) → k.f(x)

1). If k ≥ 1, graph of the parent function f(x) will be stretched vertically by a factor k.

That means the transformed graph will be narrower.

2). If 0 < k < 1, graph will be vertically compressed or the transformed function will show a wider graph.

Following this rule,

f(x) → \frac{1}{2}.f(x) shows k = \frac{1}{2} [Since 0 < \frac{1}{2} < 1]

Therefore, transformed form will be wider.

Option (D) will be the answer.

3 0
3 years ago
If y = kx, and x = 3 and y = 15, calculate k.
kenny6666 [7]

Answer:

k = 5

Step-by-step explanation:

Since the equation is y = kx and x equals 3 while y equals 15, in order to solve this equation we are going to have to substitute the variables with their answers:

x = 3

y = 15

15 = 3k

Now we divide 3 from both 3x and 15 to segregate the variable x:

15/3 = 3k/3

5 = k

Now to check our work we are going to substitute 5 for the variable k, 3 for the variable x and 15 for the variable y.

y = kx

15= (5)(3)

15 = 15

Tada, I hope this helps you!

6 0
3 years ago
Read 2 more answers
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