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Naddik [55]
3 years ago
15

State the order of operations in -2(x-5)^2+8: 1. 2. 3.

Mathematics
2 answers:
seraphim [82]3 years ago
4 0
You would use PEMDAS

P stands for parentheses, x-5 can’t be simplified, so on to E.

E stands for exponent so next you would square x-5 getting x^2-10x+25.

M stands for multiplication, you multiply your result from E by -2. So, -2(x^2-10x+25)+8. And then -2x^2+20x-50+8.

D stands for division, and there is none so moving on.

A stands for addition, and so we add next. -2x^2+20x-42.

You can’t simplify any further so there you go!
Hope this helps!
zlopas [31]3 years ago
4 0
Hey there!

Just distribute:
2(x - 5)^2 + 8
= 2x^2 + 20x - 50 + 8
Combine your like terms
-50 & 8
= -50 + 8 ➡️ -42



Answer: 2x^2 + 20x + -42


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The sum of three numbers is 50. If the third number is one-third the second number and the first number exceeds the second numbe
galina1969 [7]

Answer:

second number= X

first number = X+8

third number X/3

sum of three numbers is 50.

X+X+8+X/3=50

2x+x/3=50-8

(6x+x) / 3 =42

7x =42*3

X =42*3/7

=18

Second number=18

third number= 18/3=6

first number=18+8=26

7 0
3 years ago
Is 2/6 simplest form or not
s2008m [1.1K]
No, because you can simplify it even more if you divide by 2.
2/2=1
and 6/2=3

2/6 in simplest form is 1/3.
7 0
3 years ago
Pls helppppppppppppp❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️
yarga [219]

9514 1404 393

Answer:

  C.  (1, -1)

Step-by-step explanation:

Dilation by a factor of 1/3 multiplies each coordinate value by 1/3.

  (x, y) ⇒ (x/3, y/3)

  K(3, -3) ⇒ K'(3/3, -3/3) = K'(1, -1)

8 0
3 years ago
I need to know the answer to this
Valentin [98]
It is three fourth = 3/4
6 0
3 years ago
Read 2 more answers
HELPPHELPPPPP HELLPP PLEASEEE
Lilit [14]

Answer:

The answers of all four questions are below.

Step-by-step explanation:

(5)4+2x=−2x+44

Step 1: Simplify both sides of the equation.

2x+4=−2x+44

Step 2: Add 2x to both sides.

2x+4+2x=−2x+44+2x

4x+4=44

Step 3: Subtract 4 from both sides.

4x+4−4=44−4

4x=40

Step 4: Divide both sides by 4.

4x/4=40/4

x=10

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

(6)114−3x=194−11x

Step 1: Simplify both sides of the equation.

114−3x=194−11x

114+−3x=194+−11x

−3x+114=−11x+194

Step 2: Add 11x to both sides.

−3x+114+11x=−11x+194+11x

8x+114=194

Step 3: Subtract 114 from both sides.

8x+114−114=194−114

8x=80

Step 4: Divide both sides by 8.

8x/8 = 80/8

x=10

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

(7)4x-12=-2x+36

4x-12+12=-2x+36+12

4x=-2x+48

4x+2x=-2x+48+2x

6x=48

6x/6=48/6

x=8

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

(9)-3x+90=117-12x

-3x+90-90=117-12x-90

-3x=-12x+27

-3x+12x=-12x+27+12x

9x=27

9x/9=27/9

x=3

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

Oh, and a tip if your having trouble with algebraic expressions I recommend  you use mathpapa and symbolab when I was learning expressions this really helped me.  Have a great day.

5 0
3 years ago
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