1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kap26 [50]
3 years ago
11

HELP ME PLZ!!!!!!!!!!

Mathematics
1 answer:
nevsk [136]3 years ago
4 0


C. No, this is not a valid inference because she asked only 35 families

You might be interested in
PLEASE HELP ASAP
BaLLatris [955]

The value k needed for the transformation of f(x) to g(x) = f(k · x) is equal to 3.056.

<h3>How to find the find the dilation factor</h3>

In this problem we have the following relationship bewteen the two <em>quadratic</em> equations: g(x) = f(k · x), which means that for all y the following relationship between f(x) and g(x):

k = \frac{x_{g}}{x_{f}}

Let suppose that y = 3, then x_{f} = - 5.5 and x_{g} = - 1.8, then the value k is:

k = (- 5.5)/(- 1.8)

k = 3.056

The value k needed for the transformation of f(x) to g(x) = f(k · x) is equal to 3.056.

To learn more on transformations: brainly.com/question/11709244

#SPJ1

6 0
2 years ago
I am having a hard time simplifying (x^2 - 4x + 8)(2x - 1), can you help me out?
Brums [2.3K]

2x^3+7x^2+12x-8 is the answer

4 0
3 years ago
1). Solve for n n - 63 = 126 *
Zinaida [17]

Answer:

n=189

Step-by-step explanation:

n-63=126\\n=126+63\\n=189

I hope this helps! :)

Brainliest? ✨

4 0
3 years ago
Why are plus and minus signs ignored in percent error calculations?
inna [77]
<span>Percent error is the percentage ratio of the observed value and the true value difference over the true value so you don't need plus or minus signs. Thanks!</span>
8 0
3 years ago
A large university is interested in learning about the average time it takes students to drive to campus. The university sampled
Dmitrij [34]

Answer: The value of test statistic is 2.442.

Step-by-step explanation:

Since we have given that

n = 238

Sample mean = 23.2 minutes

Standard deviation = 20.26 minutes

Hypothesis :

H_0:\mu=20\\H_a:\mu\neq 20

So, the test statistic value would be

z=\dfrac{\bar{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\z=\dfrac{23.2-20}{\dfrac{20.26}{\sqrt{236}}}\\\\z=2.442

Hence, the value of test statistic is 2.442.

4 0
3 years ago
Other questions:
  • Here is a question for all :)
    13·2 answers
  • How much time does it take for a bird flying at a speed of 45 kilometers per hours to travel a distance of 1,800 kilometers
    14·1 answer
  • A sheepherder has a ranch that includes about 1.8 km2 of land. Use the fact that 1 km is approximately equal to 0.6214 miles to
    15·1 answer
  • 3c = 18 do I multiply 3 by 6
    7·2 answers
  • Write five million, seven hundred thousand,seven hundred fifty-two using digits
    10·2 answers
  • Christy spent half of her weekly allowance at the movies. To earn more money her
    9·1 answer
  • Slope intercept equation of a line with a slope of -2/5 that passes through the point (15,-9/2​
    6·1 answer
  • The area of a square is 1,000 ft2. About how long is one<br> side of the square?
    11·1 answer
  • Hello how are you doing?
    15·1 answer
  • Help plz due now will mark brainliest if correct
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!