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Helen [10]
2 years ago
10

6.50h+4.50c=306 in slope intercept school

Mathematics
1 answer:
inessss [21]2 years ago
8 0

Answer:

h =  \frac{9}{13} c +  \frac{612}{13}

Step-by-step explanation:

Assuming h depends on c, then the slope intercept form will be:

h (c)= mc + b

where m is the slope and b is the y-intercept.

The given expresion is

6.50h + 4.50c = 306

We subtract 4.50c from both sides to get:

6.50h =  - 4.50c + 306

We divide through by 6.50 to get:

h =  \frac{4.50}{6.50} c +  \frac{306}{6.50}

h =  \frac{9}{13} c +  \frac{612}{13}

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The quadratic equation ax^2+32x+c=0 has exactly one solution. If a+c=130, and a>c, find the ordered pair (a,c).
vitfil [10]
Ie 32^2 - 4ac=0 so ac=256 and a+c=130 
So, that means:2 equations ac=256 a+c=130 ie c=130-a 
So,a(130-a)=256 so 130a -a^2=256 ie a^2-130a +256=0 (a-2)(a-128)=0 
Finally,giving a= 2 or a=128 so, a=2 c=128 or a=128 c=2 
Since, a>c , a=128 and c=2 ie (128,2)
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3 years ago
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grin007 [14]

Answer:

y=6x+24

Step-by-step explanation:

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3 years ago
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A

Step-by-step explanation:

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2 years ago
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I NEED HELP ON THIS CONSTRUCTED RESPONSE! :(
Simora [160]

Answer:

<em>x = -10</em>

Step-by-step explanation:

(9/2)(8 - x) + 36 = 102 - (5/2)(3x + 24)

Multiply both sides by 2.

9(8 - x) + 2 * 36 = 2 * 102 - 5(3x + 24)

Distribute on both sides.

72 - 9x + 72 = 204 - 15x - 120

Combine like terms on each side.

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Subtract 144 from both sides. Add 15x to both sides.

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Divide both sides by 6.

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