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Olenka [21]
4 years ago
14

3+m+4≤5 please help due tommorow

Mathematics
2 answers:
ruslelena [56]4 years ago
7 0
3+m+4 \leq 5 \\\\ m+7 \leq 5 \\\\ m \leq 5-7 \\\\ m \leq -2 \\\\ \boxed{m=(-\infty;-2]}
algol [13]4 years ago
7 0
3+m+4≤5
m+7≤5
m+7-7≤5-7 (you have to subtract 7 on both sides)
m≤-2
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The answer is 94 1/8
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A student has a class that is supposed to end at 9:00am and another that is supposed to begin at 9:10am. Suppose the actual endi
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Answer:

0.8340

Step-by-step explanation:

The aim of this question is to find the probability that the student makes it to the second class prior to when the lecture commences.

Provided that A, B, and C are independent of each other from the full complete question.

Then; we want P(A + C < B)

So A \sim N (2, 1.5)

B \sim N (10, 1)

C \sim N (6, 1)

P(A + C - B < 0)

Since they are normally distributed( i.e. A + C - B)

Then;

E(A + C -B) = E(A) + E(C) - (B)

E(A + C -B) = 2 - 10 + 6

E(A + C -B) =  -2

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Var(A + C -B) = (1.5)² + (1)² + (1)²

Var(A + C -B) = 4.25

The standard deviation = \sqrt{4.25}

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3 years ago
An art gallery is a 6 story square pyramid with base are 1/2 acre ( 1 acre =n4840 yd, 1 story = 10ft) . Estimate the volume in c
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An art gallery is a 6-story square pyramid with base area of half an acre. Estimate the volume in cubic yards of the art gallery. In your calculations, use 1 acre = 4840 yd2 and 1 story = 10 ft.
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Which of the following values would complete the ordered pair if the point is on the graph of f (x) = -3x + 2 ?
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Answer: the y-coordinate that completes the point is 5.


Explanation:


An ordered pair (x, y) indicates the x-and-y coordinates of a general point, where x is the input value of a function and y is the output value.


The output value is y = f(x) and must be found applying the rule (function) to the given input value.


In this case the rulte is f(x) = - 3x + 2, and the input value, x,  is - 1 (the first value of the ordered pair).


This is the mathematical procedure:

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