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3 years ago

Could somebody please help with this question??

1 answer:

3 0

Translation has same direction. It is not rotated, reflected or re-sized.

So ABC translated 4 downs and 6 to the right

Answer is image 4

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lora16 [44]

The correct answer is y=4x-1

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3 years ago

Sladkaya [172]

Because h(x)=f(2x+1), h(1)=f(2*1+1)=f(3)
find f(3) in the table, the answer is 6, c is correct.

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3 years ago

lozanna [386]

(1) C = 15x + 40000 ...............because it cost $15 to produce each CD with a one-time cost of $40,000

(2) R = 59x ......................because each CD will sell for $59

(3) P = R - C → P = 59x - (15x + 40000) → P = 44x - 40000

(4) 44x = 40000 → x = 909 ........ They must sell 909 in order to break even

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3 years ago

adell [148]

-1(x-1)(4x-9) +(x-1)(x-5)
(x-1)(-1(4x-9) +x-5)
(x - 1)(-4x + 9 + x - 5)
(x - 1)(-3x + 4)

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3 years ago

Shtirlitz [24]

Answer:

900 sample size

Step-by-step explanation:

To determine the sample size for a proportion, the margin of error formula is used to determine this:

$E=Z_{\frac{\alpha}{2} }*\sqrt{\frac{\hat p \hat q}{{n} }$

$n=\hat p \hat q*(\frac{Z_{\frac{\alpha}{2} }}{E} )^2$

Where p is the proportion, E is the margin of error, n is the sample size, q = 1 - p, $Z_\frac{\alpha }{2}$ is the z score.

Since the proportion is not known, the sample size needed to guarantee the confidence interval and error is at p = 0.5 and q = 1 - p = 1 - 0.5 = 0.5

E = 5% = 0.05, $Z_\frac{\alpha }{2}$ = 3. Hence:

$n=0.5*0.5*(\frac{3}{0.05} )^2\\\\n = 900$

6 0

3 years ago