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Kaylis [27]
3 years ago
12

If GJ = 7 and HJ = 6, then H _____ G. Choose the relationship symbol that would make a true statement. < = >

Mathematics
2 answers:
pantera1 [17]3 years ago
6 0

It would be less than. (<)

Dmitry [639]3 years ago
4 0

Answer:

less than

Step-by-step explanation:

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Most dermatologists recommend using sunscreens that have a Sun Protection Factor (SPF) of at least 30. One of the authors wanted
Basile [38]

Answer:  We are 95% confident that the mean SPF level of sunscreen used by all Cal Poly students is between 29.0813 and 40.0187.

Step-by-step explanation:

Given : Significance level : \alpha: 1-0.95=0.05

Sample size : n= 52 , which is a large sample (n>30), so we use z-test.

By using z-value table,

Critical value: z_{\alpha/2}=1.96

Sample mean : \overline{x}= 34.55

Standard deviation : \sigma= 20.12

The confidence interval for population means is given by :-

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

i.e. 34.55\pm(1.96)\dfrac{ 20.12}{\sqrt{52}}

=34.55\pm5.46867829455\\\\\approx34.55\pm5.4687\\\\=(34.55-5.4687, 34.55+5.4687)=(29.0813,\ 40.0187)

Now, the 95% confidence interval for the ppopulation mean = . (29.0813, 40.0187)

Hence, We are 95% confident that the mean SPF level of sunscreen used by all Cal Poly students is between 29.0813 and 40.0187.

7 0
3 years ago
What divides each median into two sections at a 2:1 ratio? Question 6 options: a) circumcenter b) incenter c) centroid d) orthoc
allochka39001 [22]

Answer:

C. Centroid

Step-by-step explanation:

The circumcenter is the center of a triangle's circumcircle (circumscribed circle over triangle). It can be found as the intersection of the perpendicular bisectors.

The incenter is the center of the incircle (inscribed circle into a triangle) of a triangle. The incenter can be constructed as the intersection of angle bisectors.

Centroid is the point where the three medians of the triangle intersect.

The intersection of the three altitudes of a triangle is called the orthocenter.

Since three medians intersect at point which divides each median into 2:1 ratio, the answer is centroid.

6 0
3 years ago
Read 2 more answers
Help fast help fast help fast help fast
Gemiola [76]

Answer: T(x) = 18x + 65

Step-by-step explanation:

T(x) = A(x) + B(x)

T(x) = 10x + 50 + 8x + 15             [Plug in the number for A(x) and B(x)]

T(x) = 10x + 8x+ 50 + 15

T(x) = 18x + 65

8 0
2 years ago
80 X 5,000
Tresset [83]
80x5,000 is 400,000. Not sure what you're asking though.
6 0
3 years ago
How to write the number two hundred billion in half
Scorpion4ik [409]
<span>Given number: Two hundred billion in half, how to write this one in standard form
let us first simplify each statement:
=> two hundred billion = 200 000 000 000
=> in half meaning = half of the given number or divide the given number by 2 to get the answer
=> 200 000 000 000 / 2
Show, the ½ of two hundred billion in standard form
=>  Thus, two hundred billion in half is equals to 100 000 000 000

</span>



6 0
3 years ago
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