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KIM [24]
3 years ago
8

What is 0 + y, when y = -12

Mathematics
2 answers:
Flauer [41]3 years ago
5 0
<h2>0 + y = -12</h2><h2 /><h3>All we have to do is substitute -12 in for y.</h3><h3> </h3><h3>0 + -12 = -12 </h3><h3 /><h3>Remember that adding -12 is the same thing as subtracting 12 so it could also read</h3><h3 /><h3>0 - 12 = -12</h3>
yaroslaw [1]3 years ago
3 0

Answer:

-12

Step-by-step explanation:

Substituting, we get 0 - 12, Which is simply -12

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Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution
kotegsom [21]

Answer:

a) 0.025 level of significance

The calculated t - value t = 2.88 > 3.58 at 0.025 level of significance

Therefore null hypothesis is rejected

The data indicate that the dividend yield of all Australian bank stocks is higher than 7.9%

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Let 'x' has a normal distribution

Given sample size 'n' =11

Mean of the sample (x⁻)  = 9.89% = 0.0989

Standard deviation of the sample (s) = 2.3% = 0.023

Mean of the Population ' μ' = 7.9% = 0.079

<u><em>Step(ii):-</em></u>

<u><em>Null hypothesis:H₀:</em></u>' μ'  = 0.079

<u><em>Alternative Hypothesis</em></u> :μ'  > 0.079

Test statistic  

         t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }

        t = \frac{0.0989-0.079}{\frac{0.023}{\sqrt{11} } }

       t =  2.8840

Degrees of freedom

ν = n-1 = 11-1 =10

<em>Level of significance </em>

t_{\frac{\alpha }{2} } = t_{\frac{0.05}{2} } = t_{0.025}

t_{0.025} , 10 = 3.5814

<u><em>Step(iii):-</em></u>

<em>The calculated t - value t = 2.88 > 3.58 at 0.025 level of significance</em>

<em>Therefore null hypothesis is rejected</em>

<em>The data indicate that the dividend yield of all Australian bank stocks is higher than 7.9%</em>

 

                                 

7 0
3 years ago
Solve the system<br> 4x + 2y = 10<br> x = y + 13
Maslowich

Answer:

x = 6

y = -7

Step-by-step explanation:

We have the system of equations:

4x+2y=10\\x=y+13

Let's solve by substituting. We know that x=y+13, so we can substitute y+13 in as x in the equation 4x+2y=10.

4(y+13) + 2y = 10

Simplify this down so that we have y on one side of the equation:

4y + 52 + 2y = 10\\\\6y + 52 = 10\\\\6y = -42\\\\y = -7

Now that we know the value of y, we can substitute it in to the equation x = y+13 to find x.

x = -7+13\\\\x = 6

Hope this helped!

3 0
3 years ago
Read 2 more answers
Can you tell me what -15 + 4 equals and the process of how you got that answer
Bogdan [553]

-15 is 15 below o

 you are adding 4 , so you are getting closer to 0

 so you would actually use subtraction, 15-4 = 11

 since 15 is negative, and you are adding a number smaller than 15, the answer would be negative so it would be -11


4 0
3 years ago
Compute the total and annual return on the following investment Two years after paying 53500 for shares in a startup company you
wel

Answer:

-46.91%

Step-by-step explanation:

Given:

Cost of buying the shares = $53,500

Selling cost of the shares = $3,300

Number of years = 2

Since the selling cost is less than the buying cost, therefore the statement for the loss can be verified

Now,

The loss = Selling cost - cost of buying = $3,300 - $53,500 = - $50,200

thus, the loss per year = \frac{\textup{50,200}}{\textup{2}} = -$25100

Hence,

Rate of return = \frac{\textup{Loss per year}}{\textup{Cost of buying}}\times100

or

Rate of return = \frac{\textup{-25100}}{\textup{53,500}}\times100

or

Rate of return = -46.91%

4 0
3 years ago
Which is the solution of set?
Anna [14]

Answer:

the answer is x >0 hope this helped

4 0
3 years ago
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