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
kvv77 [185]
2 years ago
7

Which numbers are a distance of 2 units from 8 on a number line?

Mathematics
2 answers:
Sever21 [200]2 years ago
6 0

Answer:

010

Step-by-step explanation:

its line on a number line

<h2>#CarryOnLearning</h2>
amm18122 years ago
3 0

Answer:

010

Step-by-step explanation:

You might be interested in
Determine the volume of the toilet paper roll excluding the empty middle
lora16 [44]

Answer:

150.72

Step-by-step explanation:

3² × 3.14 × 6 - 1² × 3.14 × 6 = (3² - 1²) × 3.14 × 6 = 150.72

6 0
2 years ago
26. Students who take a statistics course are given a pre-test on the concepts and skills for the first chapter of a statistics
hjlf

The test statistic value lies to the right of the critical value. So we have sufficient evidence to reject the null hypothesis.

<h3>What are null hypotheses and alternative hypotheses?</h3>

In null hypotheses, there is no relationship between the two phenomenons under the assumption or it is not associated with the group. And in alternative hypotheses, there is a relationship between the two chosen unknowns.

Students who take a statistics course are given a pre-test on the concepts and skills for the first chapter of a statistics course.

Then they are given a post-test once the professor has concluded lecturing on the material.

Pre-test and post-test scores for 4 students in an elementary statistics class are given below.

Then we have

\mu _d = \mu _{post} - \mu _{pre}

Then the null hypotheses and alternative hypotheses will be

H₀: \mu _d = 0

Hₐ: \mu _d > 0

Then the test statistic will be

\rm \overline{x} _d = \dfrac{\Sigma x_d}{n} = \dfrac{15+12+10+1}{4}\\\\\overline{x} _d = 9.5

Then

\rm S_d = 6.02

The test statistic value is given by

\rm t = \dfrac{\overline{x} _d }{\dfrac{S_d}{\sqrtn}} \\\\t = \dfrac{9.5}{\dfrac{6.02}{\sqrt4}}\\\\t = 3.16

Since this is a right-tailed test, so the critical value is given by

\rm t_{n-1}(\alpha ) = t_3 (0.05) = 2.353

Since the test statistic value lies to the right of the critical value. So we have sufficient evidence to reject the null hypothesis.

Hence, we can conclude that \mu _d > 0 that is test scores have improved.

More about the null hypotheses and alternative hypotheses link is given below.

brainly.com/question/9504281

#SPJ1

7 0
2 years ago
HELP ASAP ILL GIVE You 5 stars<br> What is the solution to this inequality?<br> 7x + 25&lt;=11
JulsSmile [24]

Answer:

Step-by-step explanation:

smplifying

7x + 11 = 25

Reorder the terms:

11 + 7x = 25

Solving

11 + 7x = 25

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-11' to each side of the equation.

11 + -11 + 7x = 25 + -11

Combine like terms: 11 + -11 = 0

0 + 7x = 25 + -11

7x = 25 + -11

Combine like terms: 25 + -11 = 14

7x = 14

Divide each side by '7'.

x = 2

Simplifying

x = 2

3 0
3 years ago
Read 2 more answers
There are going to be presentations at a school. If 30 people can fit in a room, how many rooms are necessary if there area tota
DanielleElmas [232]
Hello again lol. I would think it would be two rooms don’t count me on this one but I think it is two
7 0
3 years ago
Is it possible for a figure to have 90° rotational symmetry but not 180° rotational symmetry.
Gre4nikov [31]

Answer:

Well, It is but not because..rotation symmetry, and a square has -turn (or 90-degree) rotation symmetry. As you may have already observed, many figures have 180-degree rotation symmetry but no other rotation symmetry. A figure has 180-degree rotation symmetry if it looks the same when turned halfway around...Soo yeah..I think I am right, So sorry if I'm wrong.

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • HURRYYYYYY !! A cube has an edge length of 9 centimeters.
    14·1 answer
  • Use substitution to solve the sy<br> 2x+3y = 19<br> x = 2y-1<br> Solve for x and y
    6·1 answer
  • Consider the functions f(x) = 3x2, g(x)=1/3x , and h(x) = 3x. Which statements accurately compare the domain and range of the fu
    11·2 answers
  • Simplity<br>the ratios<br>a<br>55:12<br>b. 6cm: 126cm:12 cm​
    15·1 answer
  • Please help me asap will give brainliest
    9·1 answer
  • What is 65% of 20?<br><br><br><br><br><br> ye
    8·2 answers
  • Help once again in math :/
    8·2 answers
  • Simplifying the equation below! Please help.
    13·2 answers
  • HELP PLEASE!! i need help finding the mean!!!!
    6·1 answer
  • How many faces, edges and vertices does the shape below have?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!