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almond37 [142]
3 years ago
12

Please help, question above

Mathematics
1 answer:
inessss [21]3 years ago
8 0

Answer:

4^ (r-s)

Step-by-step explanation:

When the bases are the same, and we are dividing, we subtract the exponents

x^a ÷ x^b = x^ (a-b)

4^r ÷ 4^s = 4^ (r-s)

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Using the equation 3x + y = -5, rewrite it in slope intercept form.
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Answer:

y = − 3 x − 5

Step-by-step explanation:

Write in slope-intercept form,  y = m x + b .

7 0
3 years ago
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If f(x) = 2x^2-4 find f(-1)
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f(-1) = 2·(-1)^2-4

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3 years ago
Suppose the figure above is translated 2 units left and 4 units up. The translated figure is then dilated with a scale factor of
morpeh [17]
(6,0) this is right because translation is j moving a figure while dilation means multiply each x and y by scale factor
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Suppose the probability of being infected with a certain virus is 0.001. A test used to detect the virus is positive 99% of the
charle [14.2K]

Answer:

P (A ║ B)  = 1.98 %

Step-by-step explanation:

Bayes´ Theorem  express

P (A ║ B)  =  P(A) * P( B ║ A) / P(B)

Now we identify

Event A  person infected with a virus. Probability of being infected by a virus is  P/A)  0.001

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Then by subtitution in a general equation of the theorem we have

P (A ║ B)  =  0.001*0.99/ 0.05

P (A ║ B)  =  0.0198          P (A ║ B)  = 1.98 %

5 0
4 years ago
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Which inequality is represented by the number line graph?
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x ≥ -3

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The shaded circle means it is equal to as well.

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