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8_murik_8 [283]

3 years ago

15

An 18 foot rope is extended from the top of a tree to a stake in the ground. What is the measure of the angle, to the nearest de

gree, where the rope meets the ground?

1 answer:

poizon [28]3 years ago

5 0

Answer:

6 ugly

Step-by-step explanation:

6 x 3 equals 18

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What is the value of m?<br> 1<br> _m =12-m<br> 3

alexdok [17]

$\bf \cfrac{1}{3}m=12-m\impliedby \textit{now, if we multiply both sides by }3
\\\\\\
\boxed{3}\cdot \cfrac{1}{3}m=\boxed{3}\cdot 12-\boxed{3}\cdot m\implies m=36-3m\implies 4m=36
\\\\\\
m=\cfrac{36}{4}\implies m=9$

8 0

3 years ago

garri49 [273]

24+21 is the answer

5 0

3 years ago

Two faulty machines, M1 and M2, are repeatedly run synchronously in parallel (i.e., both machines execute one run, then both exe

leonid [27]

The event that either M1 or M2 fails has probability

$P(M_1\text{ fails or }M_2\text{ fails})=P(M_1\text{ fails})+P(M_2\text{ fails})-P(M_1\text{ and }M_2\text{ both fail})$

by the addition rule. Failure events are independent, so

$P(M_1\text{ and }M_2\text{ both fail})=P(M_1\text{ fails})P(M_2\text{ fails})$

so that

$P(M_1\text{ fails or }M_2\text{ fails})=p_1+p_2-p_1p_2$

Denote this probability by $p$ . Then $X$ follows a geometric distribution with this parameter $p$ and has density

$P(X=x)=\begin{cases}(1-p)^{x-1}p&\text{for }x\ge1\\0&\text{otherwise}\end{cases}$

The expectation is $\dfrac1p=\dfrac1{p_1+p_2-p_1p_2}$ .

7 0

4 years ago

To obtain the graph of y = (x - 8)2, shift the graph of y = x2 units.

zvonat [6]

Answer:

Right, 8

Step-by-step explanation:

Edge

8 0

4 years ago

Read 2 more answers

Choose the kind(s) of symmetry: point, line, plane, or none. (B)

max2010maxim [7]

Answer:

Hello there. The guy who answered before was only half correct. the correct answer is Line and Plane. Also just did this got it correct.

3 0

3 years ago