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melisa1 [442]
3 years ago
5

Graph the equation y =3/5 x on the coordinate plane.​

Mathematics
1 answer:
notka56 [123]3 years ago
4 0

Step-by-step explanation:

See above graph.......

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maksim [4K]

Answer:

Step-by-step explanation:

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3 years ago
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The difference of complimentary angles is 10 degree. find the measure of the angles.
Ivahew [28]

Answer:

The angles are 50 , 40

Step-by-step explanation:

Let 'x' be an angle.

So, its complementary angle = 90 - x

Difference of complimentary = 10

x - (90 - x) = 10

x - 90 + x = 10

x + x - 90 = 10

2x -  90 = 10

       2x = 10 +90

       2x = 100

         x = 100/2

        x = 50

So, the angles are 50 , 40

4 0
3 years ago
52. In exploring possible sites for a convenience store in a large neighborhood, the retail chain wants to know the proportion o
kvasek [131]

Answer:

n=\frac{0.5(1-0.5)}{(\frac{0.1}{1.96})^2}=96.04  

Then the minimum sample size in order to satisfy the condition of 0.1 for the margin of error is 97 and since the sample used is n =100 we can conclude that is sufficient and the best answer would be:

D. Yes.

Step-by-step explanation:

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. We know that we require a 95% of confidence, our significance level would be given by \alpha=1-0.95=0.05 and \alpha/2 =0.025. And the critical value would be given by:

z_{\alpha/2}=-1.96, z_{1-\alpha/2}=1.96

The margin of error for the proportion interval is given by this:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

We want a margin of error of ME =\pm 0.1 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

Since we don't have prior info for the population proportion we can use as estimator the value of 0.5. And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.1}{1.96})^2}=96.04  

Then the minimum sample size in order to satisfy the condition of 0.1 for the margin of error is 97 and since the sample used is n =100 we can conclude that is sufficient and the best answer would be:

D. Yes.

4 0
3 years ago
The future value of Gitta's certificate of deposit (CD), for the first five years, is represented by the sequence below. The app
liraira [26]
Thank you for posting your question here at brainly. Feel free to ask more questions.   
<span>
The best and most correct answer among the choices provided by the question is </span><span>B.False</span>.    
      <span>
Hope my answer would be a great help for you.  </span>
4 0
4 years ago
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Jeremy built an office with a floor area of 55/14 square feet. The office is rectangular in shape. If the length of the room is
Alexxandr [17]

Answer:

110/289 feet

Step-by-step explanation:

Step one:

given data

Area of the floor= 55/14 square feet.

The length of the floor= 8 1/2 feet-----convert to simple fraction= 17/2 feet

Step two:

The expression for the area of the room is

Area= L*W

55/14= 17/2*W

55/14=17W/2

cross multiply

17W*14=55*2

289W=110

divide both sides by 289

W= 110/289 feet

6 0
3 years ago
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