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
IgorC [24]
3 years ago
12

What is the solution to the inequality?

Mathematics
1 answer:
fiasKO [112]3 years ago
7 0
B. x > -4 I did da test. That's da correct one :-)
You might be interested in
Persons having Raynaud's syndrome are apt to suffer a sudden impairment of blood circulation in fingers and toes. In an experime
Citrus2011 [14]

Answer:

There is enough evidence to say that the true average heat output of persons with the syndrmoe differs from the true average heat output of non-sufferers.

Step-by-step explanation:

We have to perform a hypothesis test on the difference between means.

The null and alternative hypothesis are:

H_0: \mu_1-\mu_2=0\\\\H_a: \mu_1-\mu_2

μ1: mean heat output for subjects with the syndrome.

μ2: mean heat output for non-sufferers.

We will use a significance level of 0.05.

The difference between sample means is:

M_d=\bar x_1-\bar x_2=0.63-2.09=-1.46

The standard error is

s_{M_d}=\sqrt{\sigma_1^2/n_1+\sigma_2^2/n_2}=\sqrt{0.3^2/9+0.5^2/9}=\sqrt{ 0.038 } \\\\ s_{M_d}=0.194

The t-statistic is

t=\dfrac{M_d}{s_{M_d}}=\dfrac{-1.46}{0.194}=-7.52

The degrees of freedom are

df=n_1+n_2-2=9+9-2=16

The critical value for a left tailed test at a significance level of 0.05 and 16 degrees of freedom is t=-1.746.

The t-statistic is below the critical value, so it lies in the rejection region.

The null hypothesis is rejected.

There is enough evidence to say that the true average heat output of persons with the syndrmoe differs from the true average heat output of non-sufferers.

5 0
2 years ago
how many ways can you order your favorite dessert from a menu of 8? A.) 6 B.) 40,320 C.) 6720 D.) 336​
Radda [10]

Can you tell me what do you mean exactly by menu of 8, so i can help you.

8 0
3 years ago
About 6% of the population has a particular genetic mutation. 600 people are randomly selected. find the standard deviation for
Rina8888 [55]

Assume a binomial distribution. Then the mean of the distribution is np, where n is the number of people taken in a sample and p is the probability of the mutation occurring in any given person, and the standard deviation is \sqrt{np(1-p)}. Then in this case, the standard deviation is \sqrt{600(0.06)(0.94)}\approx5.82.

7 0
3 years ago
Based on this graph, what would the cost to refill 50 bottles
Elis [28]

Answer:

175

Step-by-step explanation:

for 10 water bottles its 35 dollars so you multiply 10 by 5 and its 50. so you multiply 35 by 5 and get 175.

3 0
2 years ago
Read 2 more answers
Can Someone help me plz????
bearhunter [10]

Answer:

4. C

5. 7

6. 3

Step-by-step explanation:

Four:

You have to multiply both of them. Just easy math!

Five:

This one is more complicated. You can see that it is asking you to plug in for a,

F(3):

f(3)= 4(3)-5

f(3)=12-5

f(3)=7

F(1.25):

f(1.25)=4(1.25)-5

f(1.25)=5-5f(1.25)=0

So now just subtract the answers. 7-0 equals 7.

Six:

Just look at the graph and see what number corresponds with y(6), or the 6 on the y axis. It appears to be three.

Have a nice day! Hope this helps. Don't forget to mark brainliest!

4 0
3 years ago
Read 2 more answers
Other questions:
  • mario collected 3g seashells. jasmine collected 10 more seashells that mario. write the number of seashells they collected toget
    9·1 answer
  • Evaluate the iterated integral. $$ \int\limits_0^{2\pi}\int\limits_0^y\int\limits_0^x {\color{red}9} \cos(x+y+z)\,dz\,dx\,dy $$
    10·1 answer
  • What is the area of a triangle whose vertices are R(-4,2),S(1,2), and T(-5,-4)
    7·1 answer
  • Express 5601 in scientific notation
    7·1 answer
  • 1-3(x-5)=5x-12/2 <br><br><br>solve this equation​
    5·2 answers
  • What are a) the ratio of the perimeters and b) the ratio of the areas of the larger figure to the smaller figure? The figures ar
    10·1 answer
  • PLEASE HELP, I'LL GIVE U BRAINLY
    9·1 answer
  • 14. Divide and write the fraction or mixed number in its simplest form:1/4÷3/8<br>​
    10·1 answer
  • 7898 divided by 22 please put it in steps
    6·1 answer
  • Please help due tonight!! Thank you
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!