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sergejj [24]
3 years ago
14

ellen had 25 hair clips.7 of them and the rest were purple , what precent of the hair clips were blue

Mathematics
2 answers:
dmitriy555 [2]3 years ago
8 0
Answer=28%
Assuming you meant to say that 7 of them were blue, and the rest were purple...

  7      x
___=___
 25   100

cross multiply
25x=700
x=28


Lisa [10]3 years ago
7 0
28% If you take 7 and divide it by 25 (complete amount) and times it by 100 you get the percentage.
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Graph the image of this quadrilateral after a dilation with a scale factor of 4 centered at the origin
Brut [27]

Answer: The image is attached.

Step-by-step explanation:

A Dilation is defined as  a transformation in which the image and the pre-image have the same shape, but their sizes are different.

When the scale factor is greater than 1, the image obtained after the  dilation is greater than the pre-image and it is an "Enlargement".

When the scale factor is is between 0 and 1,  the image obtained after the  dilation is smaller than the pre-image and it is an "Reduction".

In this case we know that the scale factor is:

scale\ factor=4

Since:

4>1

It is an Enlargement.

You can identify that the vertices of the pre-image shown in the figure, are:

(-2,1)\\\\(-1,2)\\\\(0,0)\\\\(-1,-2)

So you need to multiply the coordinates of those vertices by 4 in order to get the coordinates of the image;

((-2)(4),1(4))=(-8,4)\\\\((-1)(4),(2)(4))=(-4,8)\\\\((0)(4),(0)(4)=(0,0)\\\\((-1)(4),(-2)(4))=(-4,-8)

Now you can draw it (The image is attached).

8 0
3 years ago
Question on image. <br><br> will report answers out of question. Thank you
olchik [2.2K]

Answer:

84°

Step-by-step explanation:

< DEB = ½× (31+ 137) = ½× (168) = 84°

3 0
3 years ago
Ken read 30 pages of a book on monday and 1/8 of the book on tuesday, he completed the remaining 1/4od the book on wednesday.how
dlinn [17]
Let the total amount of pages be t
t=30+1/8t+2/8t
now simplify
t=30+3/8t
5/8t=30
divide 30 by 5
1/8=6
now you know 1/8 of the book is 6 pages which means the whole book has 48 pages.

7 0
3 years ago
Evealute the expression when m= -2 m^2+9m+3
Volgvan

Step-by-step explanation:

m=-2

m^2+9m+3

substitute-2 in m

-2^2+9(-2)+3

= -19

8 0
3 years ago
Ryan has 3 times as many nickels as dimes. The coins have a total of $1.50. How many of each coin foes he have?​
mafiozo [28]
0.5?maybe I just divided 1.50 by 3
5 0
3 years ago
Read 2 more answers
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