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Tcecarenko [31]
3 years ago
10

Which expression is equivalent to (x+4)^2

Mathematics
2 answers:
ozzi3 years ago
7 0

Answer:

x^2 + 8x + 16

Step-by-step explanation:

(x+4)^2

= x^2 + 2(x)(4) + 4^2

=<em><u> x^2 + 8x + 16</u></em>

Inessa05 [86]3 years ago
5 0

Answer:

(x+4)(x+4)

Step-by-step explanation:

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PLEAZE HELP IM FAILING THIS CLASS 9) The volume of a box is represented by x' +11x² + 20x – 32. The width of the box is x – 1, a
In-s [12.5K]

Answer:

Step-by-step explanation:

Volume of the box  =  x³ +11x² + 20x – 32        I think the ' is a typo for ³

      the width is x-1    and the height is x+8      

Find an expression for the length

       Vol = LWH    solve L

        Vol / (WH)   =  L     so

L  =  (x³ +11x² + 20x – 32) / (x-1) (x+8)      

                    so it would help to factor the numerator

       (x³ +11x² + 20x – 32)       I'm willing to bet (x-1) and  (x+8) are factors

                                               but I will plot the equation to find the three roots

        (x³ +11x² + 20x – 32)  = (x-1) (x+8) (x+4)

L  =  (x³ +11x² + 20x – 32) / (x-1) (x+8)

   =  (x-1) (x+8) (x+4) / (x-1) (x+8)           the (x-1) and (x+8) cancel out leaving

L =   (x + 4)

7 0
3 years ago
"The sum of the abscissa and the ordinate is six"?
Alenkinab [10]
The answer will be <span>x + y = 6 </span>
3 0
3 years ago
Jess wants to measure how much water she uses in the shower each morning. She finds
forsale [732]

Answer:

32 gallons of water

Step-by-step explanation:

8 minutes = 480 seconds.

set up a proportion:

1/15=x/480

we have to solve for x:

15x=480

x=32.

Jess uses 32 gallons of water.

6 0
3 years ago
Read 2 more answers
Please help me on this.
lorasvet [3.4K]
What is ur subject i would lov o help
8 0
3 years ago
How do you solve st+3t=6
bonufazy [111]
You will factor out the common factor of t if you are solving for t. you will then divide both sides by (s+3) to make t the subject of the formula. for this question you can only get t in terms of s.
so:
st+3t=6
t(s+3)/(s+3)=6/(s+3)
t=6/(s+3)

if you are required to solve for s then you are going to subtract 3t from both sides. you can factorise 6-3t .you will then divide both sides by t to isolate s.for this question you can only get s in terms of t.so:

st+3t-3t=6-3t
st/t=2(3-t)/t
s=2(3-t)/t
4 0
3 years ago
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