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MA_775_DIABLO [31]
3 years ago
8

What is 2 1/2 + 4 2/5 in simplest form

Mathematics
1 answer:
Marysya12 [62]3 years ago
4 0

Answer:6 9/10

Step-by-step explanation:

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x > -7/12. This is the answer to this question.

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Need help on this please
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14

Step-by-step explanation:


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60.8 is what percent of 32
Anna71 [15]
60.8 is 190% of 32

Divide 60.8 over 32:
\frac{60.8}{32} = 1.9

Convert the decimal into a percentage by dividing it over 100:
1.9 \times 100 = 190
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Read 2 more answers
The sum of a number and its square is 182. Find the number.
Mars2501 [29]

Answer:

13 and -14 satisfy this condition

Step-by-step explanation:

Let's represent that number as x

and the square of x is x^2

So,

x + x^2 = 182

Subtract 182 from both sides

x + x^2 - 182 = 182 - 182

x + x^2 - 182 = 0

rearrange the quadratic equation

x^2 + x -182 = 0

let's use the quadratic formula

\frac{-b+\sqrt{b^2-4ac} }{2a}       or      \frac{-b-\sqrt{b^2-4ac} }{2a}

a = 1, b = 1, c = -182

\frac{-1+\sqrt{1^2-4*1*(-182)} }{2*1}       or     \frac{-1-\sqrt{1^2-4*1*(-182)} }{2*1}

\frac{-1+\sqrt{1+728} }{2}      or         \frac{-1-\sqrt{1+728} }{2}

\frac{-1+\sqrt{729} }{2}            or    \frac{-1-\sqrt{729} }{2}

\frac{-1+{27} }{2}     or    \frac{-1-{27} }{2}

\frac{26}{2}     or    \frac{-28}{2}

13 or    - 14

Lets check

13 + 13^2 = 13 + 169

= 182

Also,

-14 + (-14^2) = -14 + 196

= 182

8 0
3 years ago
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