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abruzzese [7]
2 years ago
15

Please answer the question below (the question is question 64)

Mathematics
2 answers:
Hitman42 [59]2 years ago
6 0

-Answer:

I'm just answering so the other person can get brainliest

Step-by-step explanation:

◑﹏◑

alexandr402 [8]2 years ago
3 0
C; the first and last letters in each group is connected, after U and V being first and last it should be W and X being first and last.
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Which classification best represents a triangle with side lengths 6 cm, 10 cm, and 12 cm?
Ierofanga [76]

Answer:

obtuse, because 6^2+10^2 is greather than 12^2

Step-by-step explanation:

5 0
3 years ago
Find the x- and y-intercepts for the following equation. Then use the intercepts to graph the equation.
Oksanka [162]

The required x and y intercepts of the given function are 2 and 4 respectively.

Given that,
To determine the x- and y-intercepts for the following equation 4x + 2y = 8.

<h3>What are functions?</h3>

Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.

Here,
Given equation,
4x + 2y = 8.
put x = 0
2y = 8
y = 4
Now.
put y = 0
4x = 8
x = 2

Thus, the required x and y intercepts of the given function are 2 and 4 respectively.

learn more about function here:

brainly.com/question/21145944

#SPJ1

8 0
11 months ago
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
a bookstore sold a total 43 paperback and hardback books. each paperback books costs $4.50, and each hardback book costs $12.00.
creativ13 [48]
The answer will be 32
Have a nice day :) .
7 0
3 years ago
PLS ANSWER ASAP THIS QUESTION IS VERY HARD FOR ME
Tpy6a [65]

Answer:

its D if not im so sorry i found the answer on a website

Step-by-step explanation:

6 0
2 years ago
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