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Likurg_2 [28]
2 years ago
14

O

Mathematics
1 answer:
Neko [114]2 years ago
6 0

Answer:

I'm not smart but I think 7.5

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Solve the proportion 84/12 = 28/X
Leviafan [203]
7 would be your answer
5 0
3 years ago
Read 2 more answers
PLS HELP ASAP NOW I REALLY NEED HELP ITS PYTHAGOREAN THEOREM
vodomira [7]

Answer:

a=7.14yd

Step-by-step explanation:

process same as in above question

3 0
2 years ago
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
4x+7y=19<br>y=x+9 <br>substitution method​
Ugo [173]

Answer:

Point Form: (-4,5)

Equation Form: x=-4,y=5

Step-by-step explanation:

Please give me brainiest!!!

3 0
3 years ago
The length of a rectangle is 6 feet and the width is 3 feet. Find the perimeter I
Anarel [89]
So for the perimeter, there will be 2 of each side. 3(2)+6(2)= 18.
The perimeter is 18 feet.
4 0
3 years ago
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