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SashulF [63]
3 years ago
14

∆ABC ≅ ∆A'B'C' because you can rotate the pre-image 180° about the origin and translating it 2 units right, which is a sequence

of rigid motions. Question 1 options: True False
Mathematics
1 answer:
Nina [5.8K]3 years ago
6 0

Answer:

Did anyone get an answer?

Step-by-step explanation:


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Onwuegbuzie et al. (1999) examined foreign-language anxiety as a predictor of foreign-language achievement. They performed a mul
PolarNik [594]

Answer:

Please the question do not correlate with the answer. i will give explanation just based on the question.

Step-by-step explanation:

Question: They found β (Beta) = −0.39 for foreign-language anxiety and 0.29 for academic achievement. what does this mean?

 Answer: According to Onwuegbuzie et al 1999 in the multiple regression analysis to understand anxiety and learning foreign language This means that People who have lower levels of anxiety about learning a foreign language have higher levels of achievement in foreign language, from their results they were able to correlate this.

Question 2, though not stated but relates to the options given :The beta for the predictor variable of perceived scholastic competence was positive and statistically significant. Why couldn't you say that perceived scholastic competence improves foreign language achievement?

Answer---The temporal precedence is not established and there may be another variable that accounts for the relationship.----d

therefore, we cannot say perceived scholastic competence improves foreign knowledge because there may be other various contributing variables apart from scholastic competence  that accounts for the relationship. Merely using scholastic competence to correlate foreign language achievement is still blurry.

3 0
3 years ago
Write an inequality for the given statement: 4 times the sum of a number and 3 is at least 28.
Ludmilka [50]
The answer is 4(x+3) is greater than or equal to 28 or
4(x+3)≥28
4 0
4 years ago
Between 1989 and 1998, the population of smalltown, USA ( in thousands) can be modeled by f(x)=.24x^2 -0.96x + 4, where x=0 repr
maks197457 [2]
Just use derivatives:

f'(x)= .48x-.96 = 0, x = 2, since the coeff of x^2 is +, this is a minimum

x=0 1989, so x = 2 is 1991! :)
8 0
3 years ago
I need help plsssss asap
Lunna [17]

Answer:

D) (0,9.5) and (10,1.5)

Step-by-step explanation:

a line of best fit is a line that is drawn through the data points on the scatter plot. Option D is the only answer that draws a linear line through the data points.

Option A makes a short line above the points. if the line is not through the points, it doesn't work

Option B is drawing a positive line (as in it's increasing) and therefore cannot work

Option C draws a line below the points and does not represent the line of best fit for this scatter plot

8 0
2 years ago
A certain population of bacteria has an initial population of 225. the bacteria triples every hour. determine the multiplier tha
dimaraw [331]

Using an exponential function, it is found that the multiplier that would allow you to predict the population of bacteria after 2 hours is of 9.

<h3>What is an exponential function?</h3>

An exponential function is modeled by:

y = ab^x

In which:

  • a is the initial value.
  • b is the growth rate.

In this problem, the bacteria triples every hour, hence the rate of change is b = 3, and the equation is:

y = a(3)^x

Hence, after 2 hours:

y = a(3)^2 = 9a

Which means that the multiplier is of 9.

More can be learned about exponential functions at brainly.com/question/25537936

#SPJ1

3 0
2 years ago
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