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sertanlavr [38]
3 years ago
14

I’m confused, please help

Mathematics
1 answer:
kodGreya [7K]3 years ago
7 0

Answer: (a)

Step-by-step explanation:

Given

g(x)=x^2

Clearly, f(x) is obtained by shifting g(x)  3 units down and multiplying it by a certain factor to amplify it.

Checking the option which is 3 units below and multiplying by a factor

option (a) is meeting both the cirterias.

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1. Find the amount after the increase or decrease<br> 30 increased by 20
ElenaW [278]
If you do 30+20 you’ll get 50:)
7 0
3 years ago
The weights of soy patties sold by Veggie Burgers Delight are normally distributed. A random sample of 15 patties yields a mean
Elden [556K]

Answer:

t=\frac{3.8-4}{\frac{0.5}{\sqrt{15}}}=-1.549    

Step-by-step explanation:

Data given and notation  

\bar X=3.8 represent the sample mean

s=0.5 represent the sample standard deviation for the sample  

n=15 sample size  

\mu_o =4 represent the value that we want to test

\alpha 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 mean weight is less than 4 ounces, the system of hypothesis would be:  

Null hypothesis:\mu \geq 68  

Alternative hypothesis:\mu < 4  

If we analyze the size for the sample is < 30 and 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{3.8-4}{\frac{0.5}{\sqrt{15}}}=-1.549    

3 0
3 years ago
Arjun is twice as old as Shreya. If five years ago his age was three times Shreya's age, then Arjun's present age is
drek231 [11]

Answer:

Arjun is 20 years old and Shreya is 10 years old.

Step-by-step explanation:

5 YEARS AGO-

Arjun: 2x-5

Shreya: x-5

NOW-

Arjun: 2x

Shreya: x

EQUATION-

2x-5=3(x-5) = 2x-5=3x-15

(add 15 on both sides)

2x+10=3x

(subract 2x from both sides)

x=10

Therefore, Arjun is 20 years old and Shreya is 10 years old :)

4 0
4 years ago
Help and explain very easy hurry 10 points
stealth61 [152]

Answer:

\$18.97 per hour

Step-by-step explanation:

step 1

Find the total hours

(37 hours/week)*(52 week)=1,924 hours

step 2

Divide the annual salary by the total hours

\frac{36,500}{1,924}= 18.97\frac{\$}{h}

7 0
4 years ago
Use the substitution method to solve the system of equations. Choose the correct ordered pair. x+y=10 y=x-6
kenny6666 [7]
The coordinate (8,2) is the solution
8 0
3 years ago
Read 2 more answers
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