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user100 [1]
3 years ago
13

The measure of on segment why see if the parameter of the triangle is 75.3 inches

Mathematics
1 answer:
Tomtit [17]3 years ago
4 0
Whats the question tho??

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Amin fills up his gas tank with 6 gallons of gas for a cost of $13. How much would it cost to fill a 16-gallon tank?
kotykmax [81]

Answer:

34.66

Step-by-step explanation:

divide 13 by 6 then multiply that by 16

4 0
3 years ago
In the past decades there have been intensive antismoking campaigns sponsored by both federal and private agencies. In one study
astra-53 [7]

Answer:

C. z = 2.05

Step-by-step explanation:

We have to calculate the test statistic for a test for the diference between proportions.

The sample 1 (year 1995), of size n1=4276 has a proportion of p1=0.384.

p_1=X_1/n_1=1642/4276=0.384

The sample 2 (year 2010), of size n2=3908 has a proportion of p2=0.3621.

p_2=X_2/n_2=1415/3908=0.3621

The difference between proportions is (p1-p2)=0.0219.

p_d=p_1-p_2=0.384-0.3621=0.0219

The pooled proportion, needed to calculate the standard error, is:

p=\dfrac{X_1+X_2}{n_1+n_2}=\dfrac{1642+1415}{4276+3908}=\dfrac{3057}{8184}=0.3735

The estimated standard error of the difference between means is computed using the formula:

s_{p1-p2}=\sqrt{\dfrac{p(1-p)}{n_1}+\dfrac{p(1-p)}{n_2}}=\sqrt{\dfrac{0.3735*0.6265}{4276}+\dfrac{0.3735*0.6265}{3908}}\\\\\\s_{p1-p2}=\sqrt{0.00005+0.00006}=\sqrt{0.00011}=0.0107

Then, we can calculate the z-statistic as:

z=\dfrac{p_d-(\pi_1-\pi_2)}{s_{p1-p2}}=\dfrac{0.0219-0}{0.0107}=\dfrac{0.0219}{0.0107}=2.05

z=2.05

4 0
3 years ago
Solve for the x <br> (Round to the nearest hundred)
stiks02 [169]

Answer:

17.97=x

Step-by-step explanation:

tan theta = opposite side/ adjacent side

tan 38 = x /23

Multiply each side by 23

23 * tan 38 = x/23 * 23

23 tan 38 = x

17.96956941 =x

To the nearest hundredth

17.97 =x

8 0
3 years ago
Read 2 more answers
All of the following ratios are equivalent except _____. Answers
const2013 [10]

Divide all the ratios and compare:

8/12 = 0.666

15/10 = 1.5

2/3 = 0.666

6/9 = 0.666

The one that isn't equivalent is 15 over 10

3 0
3 years ago
Read 2 more answers
Evaluate when y=4 and 1 = 2 xy + 2x2
Zielflug [23.3K]

Answer:

log  ( 100 )    √ 16     √ 75

Step-by-step explanation:

6 0
3 years ago
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