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SOVA2 [1]
3 years ago
5

Can someone help me !!!!!

Mathematics
1 answer:
Anastaziya [24]3 years ago
8 0

9514 1404 393

Answer:

  • nine twentieths, or forty-five hundredths
  • 0.45
  • 45%

Step-by-step explanation:

The fraction 9/20 can be represented using a diagram in which nine of twenty objects are shaded. If each of the objects in the diagram is further subdivided into 5 objects, then a total of 5×9 = 45 out of 5×20 = 100 will be shaded.

That is, ...

  9/20 = 45/100 = 0.45 = 45%

__

Forty-five out of one hundred is "forty-five hundredths." That is the pronunciation of the decimal fraction 0.45.

We note that the symbol % is fully equivalent to /100, and can be considered to be a shorthand way to write /100. That is ...

  45/100 = 45%

__

  9/20 = 45/100 = 45% = forty-five hundredths = 0.45

_____

<em>Additional comment</em>

To give a little context, the % symbol is short for /100 (percent or hundredths), and the ‰ symbol is short for /1000 (mils or thousandths).

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Nadya [2.5K]

Answer:

130º

Step-by-step explanation:

a line is 180º so if one angle is 50 then it's just 180-50

5 0
3 years ago
Which is the equation of a parabola with vertex (4,3) and directrix x = 6?
Cloud [144]

Answer:

( y - 3 )² = 8 ( x - 4 )

Step-by-step explanation:

The given vertex of Parabola is ( 4 , 3)

And Directrix is X = 6

The equation of parabola is

( y - k )² = - 4 ( P) ( x - h )

Now  p = 4 - x = 4 - 6 = - 2

And given value of ( k , h) = ( 4 , 3)

Or ( y - 3 )² = - 4 ( - 2) ( x - 4 )

Or,  ( y - 3 )² = 8 ( x - 4 )

Hence The equation of parabola with directrix x = 6 And

vertex ( 4 , 3 ) is  ( y - 3 )² = 8 ( x - 4 )     Answer

8 0
4 years ago
Read 2 more answers
the question is on the photo everything you guys need to know is there pls help me or I won't be able to turn in my homework.Thx
gavmur [86]

Answer:

The first and third quartiles were calculated incorrectly. Also, this means the inter quartile range is incorrect.

Step-by-step explanation:

The first quartile is going to be the median of the lower half of the data set {89, 93, 99, 110}  this median is (93+99)/2, or 96.

The third quartile can be calculated the same way with the data set {135, 144, 152, 159} This gives us 148 as the third quartile.

Lastly, the interquartile range is just the difference between the first and third quartiles, which is 52.

4 0
3 years ago
Given the function, calculate the following values...
antiseptic1488 [7]

f(0) = 56

f(2) = 42

f(-2) = 70

f(x+1) = 7|x-7|

f(x²+2) = 7|x²-6|

Answered by GAUTHMATH

3 0
3 years ago
What property is represented?
denpristay [2]

Identity property!

Because the identity property for addition tells us that zero added to any number is the number itself. Zero is called the "additive identity." In this case, 0 is being added to 40.

7 0
3 years ago
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