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GREYUIT [131]
3 years ago
6

he mean incubation time of fertilized eggs is 23 days. Suppose the incubation times are approximately normally distributed with

a standard deviation of 1 day. ​(a) Determine the 17th percentile for incubation times. ​(b) Determine the incubation times that make up the middle 97​%. LOADING... Click the icon to view a table of areas under the normal curve. ​(a) The 17th percentile for incubation times is nothing days. ​(Round to the nearest whole number as​ needed.) ​(b) The incubation times that make up the middle 97​% are nothing to nothing days. ​(Round to the nearest whole number as needed. Use ascending​ order.)
Mathematics
1 answer:
algol [13]3 years ago
8 0

I think a but I’m not quite sure

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Compare using < >, or = 5 3/4 ____ 6 1/4​
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I was going to say that you would need to change the mixed numbers into an improper fraction but then I realized that they both have the same denominator (4), meaning that in this case if the whole number outside of the fraction is bigger than the one for the other then it’s greater than regardless.

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Help me with this please!!!!!!!!!!
aleksandr82 [10.1K]

Answer:

B)  (8, 0) and (-4,0)

Step-by-step explanation:

x-intercept when y = 0

so

x^2 - 4x - 32 = 0

Factors

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3 years ago
What are the x and y-intercepts of the line described by the equation?
KiRa [710]

Answer:

x-int (6.2, 0)

y-int (0, 3.1)

Step-by-step explanation:

x-intercept is found when y = 0.

y-intercept is found when x = 0.

Step 1: Define equation

2x + 4y = 12.4

Step 2: Find x-intercept

<em>Substitute y for 0.</em>

2x + 4(0) = 12.4

2x = 12.4

x = 6.2

(6.2, 0)

Step 3: Find y-intercept

<em>Substitute x for 0.</em>

2(0) + 4y = 12.4

4y = 12.4

y = 3.1

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6 0
3 years ago
For which interval does this quadratic inequality hold true?
adoni [48]

Answer:

D

Step-by-step explanation:

x²-4x-12≤0

x²-6x+2x-12≤0

x(x-6)+2(x-6)≤0

(x-6)(x+2)≤0

x=6,-2

∴ value of x lies between -2 & 6

3 0
11 months ago
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