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sasho [114]
3 years ago
5

Evaluate using the order of operations -5(1-4)^2+18

Mathematics
1 answer:
artcher [175]3 years ago
4 0

Answer:

243

Step-by-step explanation:

-5(1-4)^2+18

(-5+20)^2+18

225+18

=243

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Simplify -2 1/9 - (-4 1/9)
ZanzabumX [31]

Answer:

2

Step-by-step explanation:

The easiest thing is to convert it to an improper fraction.

-2 1/9 turns into -19/9. -4 1/9 turns into -37/9.

-19/9 - (-37/9) here you would add because you are subtracting a negative number.

-19/9 + 37/9 change it to positive and then add.

-19+37=18

it was 18/9. that simplified is 2.

4 0
3 years ago
Evaluate the expression for the given value of the variable(s). Show your work.
ch4aika [34]
I got -50 as my answer
4 0
3 years ago
Type your answer and then click or tap Done.
masya89 [10]

Answer:

See below

Step-by-step explanation:

x(x-2y)-(y-x)2  

Final result :

-y2

Step by step solution :

Step  1  :

Equation at the end of step  1  :

x • (x - 2y) -  (y - x)2

Step  2  :

2.1     Evaluate :  (y-x)2   =    y2-2xy+x2  

Final result :

-y2

7 0
2 years ago
0.00000000828860 in scientific notation
azamat

0.00000000828860 upto which decimal?


6 0
4 years ago
I don't understand how to put anything into standard form. If anyone could help please that'd be great.
Norma-Jean [14]
I think you would distribute what is in the parentheses and then make it so only a and b are on the left and i and the other characters that can be simplified are on the left but feel free to Google it.
3 0
3 years ago
Read 2 more answers
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