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Minchanka [31]
3 years ago
12

Rewrite 9/4 as a decimal ?

Mathematics
1 answer:
jasenka [17]3 years ago
6 0

Answer:

2.25

Step-by-step explanation:

Change the fraction so that the denominator is something that's a factor of 100

9/4 = x/100

9 x 25 = 225

-----------------------

4 x 25 = 100

225/100

Now divide to get your decimal

225/100 = 2.25

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Estimate the difference 7 3/4-2/25 Show your work.
crimeas [40]

Answer: 7 3/4 - 2/25 = 767/100  = 7  67/100 = 7.67

Step-by-step explanation:

Conversion a mixed number 7 3/4

to a improper fraction: 7 3/4 = 7 3/4  = 7 · 4 + 3/4= 28 + 3/4 = 31/4

To find a new numerator:

a) Multiply the whole number 7 by the denominator 4. Whole number 7 equally 7 * 4/4 = 28/4

b) Add the answer from previous step 28 to the numerator 3. New numerator is 28 + 3 = 31

c) Write a previous answer (new numerator 31) over the denominator 4.

Seven and three quarters is thirty-one quarters

Subtract: 31/4 - 2/25= 31 · 25/4 · 25 - 2 · 4/25 · 4 = 775/100 - 8/100 = 775 - 8/

100 = 767/100

6 0
2 years ago
Read 2 more answers
Someone plz help me plz
sukhopar [10]

Answer:

38.5

Step-by-step explanation:

First do 77/2 then you get 38.5, if anything is wrong please tell me!!

4 0
3 years ago
El equipo de corredores de la escuela organizo una carrera de 20 kilometros para ello deberan corre un circulito de 1000 metros.
julsineya [31]

Answer:

corrieron 50 kilómetros de la escuela a la casa

3 0
2 years ago
The equation for a circle is x^2 - 8x + y^2 -8 =0. what is the equation of the circle in standard form?
yKpoI14uk [10]
You have to complete the square on this to get it into standard form of a circle.  Move the 8 over to the other side because that's part of the radius.  Group together the x terms, take half the linear term which is 8, square it and add it in to both sides.  Half of 8 is 4, 4 squared is 16, so add in 16 to both sides.  I'll show you in a sec.  You don't need to do anything to the y squared term.  This just means that the center of the circle does not move up or down, only side to side, right or left.  Here's your completing the square before we simplify it down to its perfect square binomial. ( x^{2} -8x+16)+ y^{2} =8+16.  Now break down the parenthesis into the perfect square binomial and do the addition of the right: (x-4) ^{2} + y^{2}=24.  This is the standard form of a circle that has a center of (4, 0) and a radius of \sqrt{24}
8 0
3 years ago
У
Talja [164]

Answer:

hey I'm sorry did you ever get the answer yo this question

5 0
3 years ago
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