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kotykmax [81]
3 years ago
5

Plz help due tomorrow

Mathematics
1 answer:
Alchen [17]3 years ago
4 0

Answer:

C.

Step-by-step explanation:

p/6+(q+8)

They are just adding not multiplying.

C is the answer they just changed the order of the numbers

like saying 3+4+5=5+4+3

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A model Nasar race car lists 79.99 with a trade discount of 40% . What is the net price of the car?
slava [35]

Hello!

79.99 equals 100%, or in other words, 79.99 = 1.

To find the net price, you'll need to find the discount, multiplying the total by 40% (or 0.4):

\mathrm{79.99\cdot0.4 \approxeq 31.99}

Now, just subtract the initial price by the discount:

\mathrm{79.99-31.99\approxeq 48}

So, the net price of the car is approximately 48.00.

Hope this helps!

7 0
3 years ago
Evaluate 12.3p+11.5r when p=6 and r=7. 12.3​(___)+11.5​(___) = ​___+80.5 = ​__
Ronch [10]

Answer:

I don't get it

Step-by-step explanation:

you need to clarify so that i can searched it

8 0
3 years ago
Please help and thank you
makvit [3.9K]

Answer:

  • f(x) should be reflected across the y-axis
  • f(x) should be horizontally translated

Step-by-step explanation:

We imagine Jenessa's elevation plots might look like those in the attachment. The red graph would be of f(x) when preparing for the race, and the green graph would be f(x) during the race.

The green graph is not a simple reflection or translation of the red graph, but is a combination of both. Thus, the two answer choices shown above are both applicable.

8 0
3 years ago
he value of a piece of machinery, in dollars, after t years is described by the function below. f(t)=12,500−1,600t What is the v
Maru [420]

Answer: d 10900

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 420 gram setting. It is
anastassius [24]

Answer:

t=\frac{424-420}{\frac{26}{\sqrt{61}}}=1.202    

p_v =2*P(t_{(60)}>1.202)=0.234  

If we compare the p value and the significance level given \alpha=0.01 we see that p_v>\alpha so we can conclude that we have enough evidence to fail reject the null hypothesis, so we can conclude that the true mean is NOT different from  420. So the specification is satisfied.

Step-by-step explanation:

Data given and notation  

\bar X=424 represent the sample mean

s=26 represent the sample standard deviation

n=61 sample size  

\mu_o =420 represent the value that we want to test

\alpha=0.01 represent the significance level for the hypothesis test.  

t would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the true mean is different from 420 or not, the system of hypothesis would be:  

Null hypothesis:\mu = 420  

Alternative hypothesis:\mu \neq 420  

If we analyze the size for the sample is > 30 but we don't know the population deviation so is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:  

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

t-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

Calculate the statistic

We can replace in formula (1) the info given like this:  

t=\frac{424-420}{\frac{26}{\sqrt{61}}}=1.202    

P-value

The first step is calculate the degrees of freedom, on this case:  

df=n-1=61-1=60  

Since is a two sided test the p value would be:  

p_v =2*P(t_{(60)}>1.202)=0.234  

Conclusion  

If we compare the p value and the significance level given \alpha=0.01 we see that p_v>\alpha so we can conclude that we have enough evidence to fail reject the null hypothesis, so we can conclude that the true mean is NOT different from  420. So the specification is satisfied.

4 0
3 years ago
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