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bezimeni [28]
3 years ago
8

A display case of gold chains are marked 44 for $7. If Molly has $56, how many gold chains can Molly get? (Assume no tax or othe

r fees.)
Mathematics
1 answer:
Sonbull [250]3 years ago
8 0
She would be able to buy 352 gold chains!

I hope this helped! Mark me Brainliest! :) -Raven❤️
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The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level of education attained
poizon [28]

Answer:

a. H_{0}: u1≤u2

H_{a} :u1>u2

b P<0.05   rejected H

Step-by-step explanation:

College High School

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The mean is the average . the sum of number over the number of observation

x1=525

x2=487

s.d1=59.42

s.d2=51.74

n1=16

n2=12\alpha =0.05

Determine the hypothesis

H_{0}: u1≤u2

H_{a} :u1>u2

find the degree of freedom(\frac{s1^2}{n1} +\frac{s2^2}{n2} )^2/(\frac{s1^2}{n1} )^2/n1-1+(s2^2/n2)^2/n2-1\\\\(\frac{59.42^2}{16} +\frac{51.7476^2}{12} )^2/(\frac{59.42^2}{16} )^2/16-1+(51.74^2/12)^2/12-1

25

p-value is the probability of obtaining the value of the test statistics. In the column of t-value in the row df=25

0.025<P<0.05

if the P value is actually less than or the same as the significant level, then the null hypothesis is rejected

P<0.05   rejected H

8 0
2 years ago
Please help! Brainliest! How are the functions y = 2x2 and y = 2x2 + 7 related? How are their graphs related?
Leona [35]
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5 0
3 years ago
The ratio of hotdogs to hamburgers is 8:3. if 272 hotdogs were sold how many hamburgers were sold.
Blababa [14]

Answer:

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Step-by-step explanation:

Hotdogs: 8 272

Hamburgers: 3 HB

8/3=272/HB

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816=8HB

HB=102

7 0
3 years ago
7k-8k=-15 true false open?
zloy xaker [14]

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Hope it's helful

Step-by-step explanation:

7 0
3 years ago
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Calculate the risk measure (beta) compared to the returns of asset and market premium.

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