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3 years ago

10

An automobile repair facility recently purchased a 200- foot roll of flexible plastic tubing for $49.06 compute the cost in cent

s per foot? Round to the nearest cent

1 answer:

zmey [24]3 years ago

6 0

$49.06 x 100 = 4906 cents
4906/200= 24.53 = approx. 25 cents

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Plz help it was due last week :((((

vesna_86 [32]

Formula= (y2-y1)/ (x2-x1)

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(-4) / (2) = -2
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(-3 - -3) / (8 - 4)
(0) / (4) = 0
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3 years ago

Your school football team has 10 scheduled games for the season. You want to attend at least 4 games. How many different combina

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24 combinations i believe

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3 years ago

Answer correct you get brainliest answer

zloy xaker [14]

Answer:

$y = {x}^{2} - 2$

Or if you want with the value of h too.

$y = {(x - 0)}^{2} - 2$

Step-by-step explanation:

$y = a {(x - h)}^{2} + k$

Find the value of h and k by using the formula.

$h = - \frac{b}{2a} \\ k = \frac{4ac - {b}^{2} }{4a}$

From y = x²-2

$a = 1 \\ b = 0 \\ c = - 2$

Substitute these values in the formula.

$h = - \frac{0}{2(1)} \\ h = 0$

Therefore, h = 0.

$k = \frac{4(1)( - 2) - {0}^{2} }{4(1)} \\ k = \frac{ - 8}{4} \\ k = - 2$

Therefore, k = - 2.

From the vertex form, the vertex is at (h, k) = (0,-2). Substitute h = 0, a = 1 and k = -2 in the equation.

$y = a {(x - h)}^{2} + k \\ y = 1 {(x - 0)}^{2} - 2 \\ y = {(x)}^{2} - 2 \\ y = {x}^{2} - 2$

These type of equation where b = 0 can also be both standard and vertex form.

4 0

3 years ago

Find the value of f(9) and g(-9) if f(×) = -7×-9 and g(×) = 6×3-23×

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Answer:

f(9)= -72

g(-9)= 225

Step-by-step explanation:

First put the original equation

f(x)=-7x-9

Next plug in the number f(9)

f(9)=-7(9)-9

After multiply -7(9) which gets you -63

f(9)=-63-9

Then subtract -63-9 which gets you -72

f(9)=-72

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

First put the original

g(x)=6x3-23x

Next plug in the number g(-9)

g(-9)=6x3-23(-9)

After multiply 6x3 which gives you 18 then multiply -23(-9)

g(-9)=18+207

then add 18+207 which gives you 225

g(-9)=225

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3 years ago

Nora's math teacher said that each question answered correctly on a test would be

lbvjy [14]

Answer:

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Step-by-step explanation:

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3 years ago