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mariarad [96]
3 years ago
12

What does l w h v mean in cubic feet

Mathematics
1 answer:
kompoz [17]3 years ago
5 0

Answer:

length, width, height, volume

Step-by-step explanation:

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An instructor who taught two sections of Math 161A, the first with 20 students and the second with 30 students, gave a midterm e
uranmaximum [27]

Answer:

<em>The answers are for option (a) 0.2070  (b)0.3798  (c) 0.3938 </em>

Step-by-step explanation:

<em>Given:</em>

<em>Here Section 1 students = 20 </em>

<em> Section 2 students = 30 </em>

<em> Here there are 15 graded exam papers. </em>

<em> (a )Here Pr(10 are from second section) = ²⁰C₅ * ³⁰C₁₀/⁵⁰C₁₅= 0.2070 </em>

<em> (b) Here if x is the number of students copies of section 2 out of 15 exam papers. </em>

<em>  here the distribution is hyper-geometric one, where N = 50, K = 30 ; n = 15 </em>

<em>Then, </em>

<em> Pr( x ≥ 10 ; 15; 30 ; 50) = 0.3798 </em>

<em> (c) Here we have to find that at least 10 are from the same section that means if x ≥ 10 (at least 10 from section B) or x ≤ 5 (at least 10 from section 1) </em>

<em> so, </em>

<em> Pr(at least 10 of these are from the same section) = Pr(x ≤ 5 or x ≥ 10 ; 15 ; 30 ; 50) = Pr(x ≤ 5 ; 15 ; 30 ; 50) + Pr(x ≥ 10 ; 15 ; 30 ; 50) = 0.0140 + 0.3798 = 0.3938 </em>

<em> Note : Here the given distribution is Hyper-geometric distribution </em>

<em> where f(x) = kCₓ)(N-K)C(n-x)/ NCK in that way all these above values can be calculated.</em>

7 0
3 years ago
Solve the equation.<br> a² = 100<br> Enter the correct answer in the boxes.<br> a = 10 or a = ?
Lyrx [107]
A = 10 or a = -10

When you square a number, you're essentially multiplying it by itself.

Recall that multiplying two negative numbers will result in a positive numbers. Knowing this, we know that -10 times -10 equals 100.
7 0
3 years ago
Point W(-6, 7) is rotated 90° clockwise. Where is W'?
MrRa [10]

Answer:

(7,6)

Step-by-step explanation:

rotate 90 degree clockwise: (x,y) -> (y,-x)

6 0
2 years ago
18=k+12 HELPPP WHATS K
Nana76 [90]

Answer:

k=6

Step-by-step explanation:

18=k+12

you need to isolate k so you subtract 12 from both side

6=k

7 0
2 years ago
Read 2 more answers
Which point is on the circle with center (-3,-1) that contains the point (1, 2)?
jasenka [17]

Answer:

Any point that is 5 units from the center

Step-by-step explanation:

The given circle is centered at;

(-3,-1) and contains (1,2).

The radius is given by:

r =  \sqrt{(x_2-x_1)^2 +(y_2-y_1)^2}

We substitute the point to get:

r =  \sqrt{(1- - 3)^2 +(2- - 1)^2}

r =  \sqrt{4^2 +3^2}

r =  \sqrt{25}  = 5

Therefore any point that is 5 units from the center lies on this circle.

5 0
2 years ago
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