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charle [14.2K]
3 years ago
6

Help me pleaseeeeeeeeeeeeeeeee

Mathematics
1 answer:
hjlf3 years ago
3 0

Answer:

The Order of operations is PEMDAS: Parentheces, Exponents, Multiplcation, Division, Addition, Subtraction

Step-by-step explanation:

9+3*2-(6+3^2) \\(6+3^2= 12\\3*2= 6\\9+6=15\\\\15-12= 3

Option A is not correct because it equals 9.

Option B is not correct because it equals -66

Option C is CORRECT because it equals 3 that is your ANSWER

Option D is not correct because it equals 0

PLZ PLZ PLZZZZ MARK BRAINLIEST I WORKED VERY HARD ON THIS

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Need help asap need it thenext few minutes
pantera1 [17]

Answer:

Correct Option is d (x+3)^2 = 11

Step-by-step explanation:

For completing the square our equation should be in the form of a^2 +2ab + b^2 = (a+b)^2

In the given equation we have:

x^2 +6x -2\\x^2 + 2(x) (?) +(?)^2 = 2\\for\,\, making\,\, 6x\,\, 2*x*3=6x \\so, \,\,we\,\, can\,\, add\,\, and\,\, subtract\,\, (3)^2 \,\,on\,\, both\,\, sides\\x^2 + 2(x) (3) +(3)^2 -(3)^2= 2\\(x+3)^2 -9 =2\\(x+3)^2 =2+9\\(x+3)^2 = 11

Correct Option is d (x+3)^2 = 11

6 0
3 years ago
Sin(theta/2)=1/2
viva [34]

Part I: sin (theta/2) = 1/2 So, theta/2 = sin inv(1/2) Part II: On the interval [0,2pi], theta/2 = 30 degrees i.e. pi/6 degrees or 150 degrees i.e. 5pi/6...


6 0
3 years ago
:
KatRina [158]

Answer:

$65/hour

Step-by-step explanation:

Let C(h) represent the total amount payable to the plumber.  Then:

C(h) = $75 + (rate)(2 hr) = $205.  Solve for the "fixed hourly rate."

Subtracting $75 from both sides, we get:

(rate)(2 hr) = $130.

Dividing both sides by (2 hr) results in (rate) = $65/hour

7 0
3 years ago
Write the equation of the line that passes through the points (8,-1) and (2,-5) in standard from, given that the point-slope fo
Gnesinka [82]

Answer: 2/3x-y=19/3

Step-by-step explanation:

Points are useless since we already know the point slope form and we can just simply that

y+1=2/3(x-8)

y+1=2/3x-16/3

y=2/3x-19/3

2/3x-y=19/3

4 0
2 years ago
Solve for x
choli [55]
X=4 is your answer because 27 minus 7 is 20 and 20 divided by 5 is 4 have a good day
3 0
3 years ago
Read 2 more answers
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