The height in feet of a toy rocket is modeled by the function y = -167 + 128t, where t is the time in seconds after

Mathematics

1 answer:

ValentinkaMS [17]4 years ago

8 0

Answer:

Step-by-step explanation:

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5m + 2[m+8] + 3 pls give answer<br> m = 2

abruzzese [7]

So m=2, wherever m is put a 2

5x2+2(2+8)+3

Then do bidmas

Brackets-

5x2+2x10+3

Multiplication-

10+20+3

Addition-

33

Answer:33

7 0

4 years ago

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Lana71 [14]

Answer: 194

Step-by-step explanation:

1. Square both sides to get (b+2)=14^2=196

2. Subtract 2 from both sides to get b=194

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3 years ago

In Evans history class, 10 out of 100 key terms will be randomly selected to appear on the final exam; Evan must then choose 7 o

motikmotik

Answer:

(a) Hypergeometric distribution

(b) 0.785384...

Step-by-step explanation:

(a) looking at the question, we see that $X = \in \{0, ... , 10 \}$ , suppose Evans studied s key terms, this implies that he has not studied 100 - s key terms. Suppose $k = \in \{0, ... , 10 \}$ if X = k, then k out of the s key terms he had studied appeared. But 10 - k out of 100 - s key terms he hasn't studied appeared. Thus X is an Hypergeometric distribution, X~HGeom(s, 100 - s, 10) with PMF: