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pickupchik [31]
4 years ago
12

2/-8 + (-66 +75) +2^2​

Mathematics
2 answers:
nlexa [21]4 years ago
8 0

Answer:

12.75

Step-by-step explanation:

Lina20 [59]4 years ago
8 0

Answer:

51/4 or 12.75

Step-by-step explanation:

To solve this use the mnemonic device PEMDAS (parenthesis, exponent, multiplication, division, addition, subtraction)

First subtract 66 from 75 (9)

2/-8 + (9) + 2^2

Next find out what 2 squared is (4)

2/-8 + 9 + 4

Next divide 2 and -8 (-1/4)

-1/4 + 9 + 4

Now simplify

51/4

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Solve 2(x + 1) = 2x + 5.
BlackZzzverrR [31]

Answer:

No solutions

Step-by-step explanation:

2(x+1)=2x+5

Expand the parentheses:

2x+2=2x+5

Subtract 2x from both sides:

2=5

Since this is not true, this equation has no solutions. Hope this helps!

4 0
4 years ago
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19/10 into a mixed or whole number?? How would you work this out? i need help.
azamat

10 out of 10 equals 1.

then there is 9 left.

This gives 1 and 9 over 10.

9 over ten is not a whole number as 10 over ten is.

Hope this helps.


5 0
3 years ago
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Can you help with #15 please on fractions
Verdich [7]
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3 years ago
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For the function , f(x) = 2x + 1. If f(x) = 3 , what is the value of x?
kodGreya [7K]

Answer:

For functions, the two notations mean the exact same thing, but "f (x)" gives you more flexibility and more information. You used to say "y = 2x + 3; solve for y when x = –1". Now you say "f (x) = 2x + 3; find f (–1)" (pronounced as "f-of-x equals 2x plus three; find f-of-negative-one").

Step-by-step explanation:

For functions, the two notations mean the exact same thing, but "f (x)" gives you more flexibility and more information. You used to say "y = 2x + 3; solve for y when x = –1". Now you say "f (x) = 2x + 3; find f (–1)" (pronounced as "f-of-x equals 2x plus three; find f-of-negative-one").

6 0
3 years ago
Please help me. Thnx
Rama09 [41]
|-6 + 2|
|-4|
4

Hope this helps!
4 0
4 years ago
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