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Rufina [12.5K]
3 years ago
15

I need a step-by-step process of how to solve this I know the answer but I need to know exactly how to solve these kinds of ques

tions so I know how to do it for a test:
A large ship is being towed by two tugs. The larger tug exerts a force which is 25 percent greater than the smaller tug, and at an angle of 30 degrees south of west.
Which direction must the smaller tug pull to ensure that the ship travels due west?
Mathematics
1 answer:
IgorLugansk [536]3 years ago
6 0
So what we know from that is that angle is 30 degrees south of west. so you go 30 degrees down from west. How can we do this? well <span>basically what you have to do is to break down the force into x and y component. The y component of large force and the y component of small force should cancel so that the boat doesn't go north and south and the x components of both the forces should add up so that it goes west only.</span>
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Which function below has the lowest y intercept? f(x) graph going through (0, 5) and (2, 1) g(x) Kyle started the summer having
mr Goodwill [35]
First find the slope of f(x).

m=(y2-y1)/(x2-x1)

m=(1-5)/(2-0)

m=-4/2

m=-2

y=-2x+b, using (2,1) we can solve for the y-intercept, "b"

1=-2(2)+b

1=-4+b

5=b

y=-2x+5

So f(x) has a y-intercept of 5

g(x)=6m+3

So g(x) has a y-intercept of 3

h(x)=3x+4

So h(x) has a y-intercept of 4


Then g(x) has the lowest y-intercept of just 3.
6 0
3 years ago
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Suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. How many times would we have to f
BabaBlast [244]

Answer:

153 times

Step-by-step explanation:

We have to flip the coin in order to obtain a 95.8% confidence interval of width of at most .14

Width = 0.14

ME = \frac{width}{2}

ME = \frac{0.14}{2}

ME = 0.07

ME\geq z \times \sqrt{\frac{\widecap{p}(1-\widecap{p})}{n}}

use p = 0.5

z at 95.8% is 1.727(using calculator)

0.07 \geq 1.727 \times \sqrt{\frac{0.5(1-0.5)}{n}}

\frac{0.07}{1.727}\geq sqrt{\frac{0.5(1-0.5)}{n}}

(\frac{0.07}{1.727})^2 \geq \frac{0.5(1-0.5)}{n}

n \geq \frac{0.5(1-0.5)}{(\frac{0.07}{1.727})^2}

n \geq 152.169

So, Option B is true

Hence  we have to flip 153 times the coin in order to obtain a 95.8% confidence interval of width of at most .14 for the probability of flipping a head

6 0
2 years ago
Many do apply pls helpn
Ugo [173]

Answer:

a and b

Step-by-step explanation:

i think b i know a for sho

4 0
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X - 2 &gt; 4 <br> What is the answer?
Rina8888 [55]

Answer:

x - 2  > 4 \\ then \\ x = 4 + 2 \\ therefore \\ x = 6

Step-by-step explanation:

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3 years ago
Find the area of a rectangle with length of 80 inches and width of 17 inches.
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Answer:

                                 

Step-by-step explanation:

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