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Alex777 [14]
3 years ago
12

Need soo much help. Please somehow help with this:)

Mathematics
2 answers:
Greeley [361]3 years ago
5 0
Step 1 : given / 0×2=0
step 2 : _ / (-4+4)×2=0
step 3 : use the distributive property / _
step 4 : _ / _
step 5 : subtract 8 from both sides / _
step 6 : _ / -4×2= -8
REY [17]3 years ago
4 0
Baja a did is die a Ud VI's. Aid f wiandof
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A study conducted by the Center for Disease Control that asked 15,000 students about
BaLLatris [955]

Answer:

The sampling distribution of \hat p is: \hat p\sim N(p,\ \frac{p(1-p)}{n}).

Step-by-step explanation:

According to the Central limit theorem, if from an unknown population large samples of sizes n > 30, are selected and the sample proportion for each sample is computed then the sampling distribution of sample proportion follows a Normal distribution.

The mean of this sampling distribution of sample proportion is:

\mu_{\hat p}=p

The standard deviation of this sampling distribution of sample proportion is:

\sigma_{\hat p}=\sqrt{\frac{p(1-p)}{n}}

The study was conducted using the data from 15,000 students.

Since the sample size is so large, i.e. <em>n</em> = 15000 > 30, the central limit theorem is applicable to approximate the sampling distribution of sample proportions.

So, the sampling distribution of \hat p is: \hat p\sim N(p,\ \frac{p(1-p)}{n}).

5 0
2 years ago
If a load of bread cost 25 cents two years ago, how much does it cost now?
sergiy2304 [10]

Answer:.80

p-by-step explanation:

8 0
2 years ago
Coach Stevens needs to purchase sprinklers to water the baseball field. The standard distance between bases is 90 feet and the i
egoroff_w [7]
If you need the geometry and trigonometry I'll post those.  Instead I found an answer at this link: http://jwilson.coe.uga.edu/EMAT6450/Class%20Projects/Scarpelli/Scarpelli_MathematicsBaseballActivity.....
The distance from home plate to the pitcher's mound is 60.5 feet and from home plate to second base is <span>127.28 feet.
Pitcher's Mound to 2nd base = </span><span> <span> <span> 66.78</span> </span>f</span>eet

Given those distances, we KNOW a 50 foot sprinkler will NOT reach home plate and second base from the pitcher's mound.

I didn't figure out the pitcher's mound to 1st or to 3rd, since the question is already answered.


6 0
3 years ago
a map shows the town where niko lives. the actual distance from niko's house to his school is 3miles, and measures one-half inch
garri49 [273]

6 miles = 1in

9 miles = 1 1/2in

12 miles = 2in

and it goes on, hope this helps!

6 0
3 years ago
Read 2 more answers
Solve for x I don't know how to solve it​
mixer [17]

Answer:

x=-12

Step-by-step explanation:

32+2x=6+x+14

2x-x=6+14-32

x=-12

ST=6

TU=-12+14=2

SU=6+2=8

8 0
3 years ago
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