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Readme [11.4K]
3 years ago
12

PLEASE HELP!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
N76 [4]3 years ago
7 0

Answer:

c :))))))))))

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What is (128 +7x- 12) = (4x - 3)?​
podryga [215]

Answer:

x = -119/3 = -39 2/3

Step-by-step explanation:

(128 +7x- 12) = (4x - 3)

Combine like terms

(116 +7x) = (4x - 3)

Subtract 4x from each side

116 +7x-4x=4x-4x-3

116 +3x = -3

Subtract 116 from each side

116-116 +3x = -3-116

3x = -119

Divide each side by 3

3x/3 = -119/3

x = -119/3

x = -39  2/3

4 0
3 years ago
A cone has a diameter of 22 inches and a height of 4.5 inches.
creativ13 [48]
We know, Volume of a Cone = πr² h/3
v = 3.14 * (11)² * 4.5/3
v = 3.14 * 121 * 1.5
v = 569.91 in³

In short, Your Answer would be Option C

Hope this helps!
7 0
3 years ago
Read 2 more answers
A ball is thrown into the air. The height h, in feet, of the ball after x seconds is given by the function h = −16(x − 2)2 + 72.
Annette [7]

Answer:

Step-by-step explanation:

h = −16(x − 2)² + 72

 =  −16((x − 2)(x − 2)) + 72                   expand the square  (x - 2)² =  (x - 2)(x - x)

 =  -16 ((x)(x) + (x)(-2) + (-2)(x) + (-2)(-2)) + 72

  = -16 (x² + (-2x) + (-2x) + (4) ) + 72

  = -16 (x² + (-4x)  + (4) ) + 72

  = -16 (x² - 4x  + 4 ) + 72

  = (-16)(x²) + (-16)(-4x) +(-16)(4) + 72

  =   -16x²  + 64x  - 64 + 72

  =   -16x²  + 64x  + 8              My guess is D   ; 72 ???

I have no clue what the  ; 72 means after the given answer.  It must be a standard form thing I never learned.

4 0
3 years ago
Read 2 more answers
In Italy, about 74 of every 100 people use cellular telephones. Write the fraction of cellular phone users in Italy.
mart [117]

Answer:

74/100

Step-by-step explanation:

If you want it simplified it's 37/50

7 0
3 years ago
Read 2 more answers
What’s the equation to the graph
suter [353]

Answer:

y=-1/2x-3

Step-by-step explanation:

7 0
2 years ago
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