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3 years ago

Answer all the questions

Mathematics

2 answers:

prisoha [69]3 years ago

5 0

7. Mr Adel= 3700 m

3700-630=3070

8. 4500+120+0.5=4620.5 m

9. 300+45+25=370

10. 4260-540=3720

Rom4ik [11]3 years ago

4 0

1. 3050 more meters
2. 462,050 cm
3. 370 cm
4. 3,720 meters above sea level

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According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is .22. A r

MaRussiya [10]

Answer:

The null hypothesis is $H_0: p = 0.22$

Step-by-step explanation:

According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is .22

This means that at the null hypothesis, it is tested if the proportion is in fact 0.22, that is:

$H_0: p = 0.22$

A researcher suspects that the rate is lower among U.S. adults 25 or older who have a bachelor's degree or higher education level.

At the alternative hypothesis, it is tested if the proportion is lower than 0.22, that is:

$H_1: p < 0.22$

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3 years ago

james determined that these two expressions were equivalent expressions using the values of x=4 and x=6 which statements are tru

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Answer: I got 1, 4, and 7

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3 years ago

PLEASE HELP

miss Akunina [59]

In the smallest of the three triangles (with sides $a,b,3$ ) we have

$a^2+3^2=b^2$

In the second-largest triangle (with sides $a,108$ ), the length of the missing side is $\sqrt{a^2+108^2}$ . Then in the largest triangle (with sides $b,111,\sqrt{a^2+108^2}$ ), we have

$b^2+\left(\sqrt{a^2+108^2}\right)^2=(108+3)^2=111^2$

$\implies b^2+a^2+108^2=111^2$

$\implies b^2+a^2=657$

Equivalently, we have

$(a^2+9)+a^2=657\implies 2a^2=648\implies a^2=324\implies a=18$

In turn, we find

$b^2=18^2+3^2=298\implies b=\sqrt{333}=3\sqrt{37}$

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3 years ago

Is 1.25 the same as 25%???????????????????????

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Answer:

No, it is not. 1.25 is the same as 125%, not 25%.

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Answer:

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