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Maurinko [17]
3 years ago
15

PLSSSS HELPPP

Mathematics
1 answer:
vladimir1956 [14]3 years ago
3 0

Answer:

58 000 x 2/100 = 1 160

1160 x 5 = 5800

58 000 + 5 800 = 63 800

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sergejj [24]
1 km ⇒1000  m   3570 /1000 ⇒ 3.57 km 
is  3.57 km
4 0
4 years ago
Read 2 more answers
Fluoxetine, a generic anti-depressant, claims to have, on average, at least 20 milligrams of active ingredient. An independent l
san4es73 [151]

Answer:

t=\frac{18.7-20}{\frac{5}{\sqrt{80}}}=-2.326    

df=n-1=80-1=79  

p_v =P(t_{(79)}  

Step-by-step explanation:

Information given

\bar X=18.7 represent the sample mean for the content of active ingredient

s=5 represent the sample standard deviation for the sample  

n=80 sample size  

\mu_o =20 represent the value that we want to test

t would represent the statistic

p_v represent the p value for the test

System of hypothesis

We need to conduct a hypothesis in order to check if the true mean for the active agent is at least 20 mg, the system of hypothesis would be:  

Null hypothesis:\mu \geq 20  

Alternative hypothesis:\mu < 20  

The statistic would be:

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

Now we can calculate the statistic:

t=\frac{18.7-20}{\frac{5}{\sqrt{80}}}=-2.326    

P value

The degrees of freedom are calculated like this:

df=n-1=80-1=79  

Since is a one left tailed test the p value would be:  

p_v =P(t_{(79)}  

6 0
4 years ago
-2x(6x^4 -7x^2 +x-5 in standard form pls
LuckyWell [14K]

Answer:

-12x^5 + 14x^3 -2x^2 + 10x

Step-by-step explanation:

-2x(6x^4 -7x^2 +x-5) =

-12x^5 + 14x^3 -2x^2 + 10x

8 0
4 years ago
Does anyone know the answer for this?​
Alla [95]

Answer:

Up 2, right 5

Step-by-step explanation:

6 0
3 years ago
Marcelo has 6 red marbles in his marble collection. The red marbles make up 12% of all the marbles. Please show your work and th
mixas84 [53]

Answer:

the answer is 50

Step-by-step explanation:

12                6              600        600

---------  *   ---------   =    ------      ------- =    600/12=50
600              x               600        12

6 0
2 years ago
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