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
goldenfox [79]
3 years ago
15

The table compares the final cost of

Chemistry
1 answer:
Snowcat [4.5K]3 years ago
3 0

Answer:

y = -2.5 + x

Explanation:

Given the data:

__X____Y

$20 __$17.50

$21 __ $18.50

$22__ $19.50

$23__ $20.50

Using a linear regression calculator :

The linear regression model obtained is :

y = -2.5 + x

Where ; - 2.5 = intercept ; gradient / slope = 1

You might be interested in
How many molecules are in 7.34 g of Na2CO3
kenny6666 [7]

Answer:

The answer is 105.98844.

<h3>Explanation: </h3>

We assume you are converting between grams Na2CO3 and mole. You can view more details on each measurement unit: molecular weight of Na2CO3 or mol This compound is also known as Sodium Carbonate.

7 0
3 years ago
Which subatomic particle has negligible mass and travels around outside the nucleus?
allsm [11]
The electron is a subatomic particle that has a negative charge and a negligible mass. The electron travels around out side the nucleus.

The subatomic particles that are inside the nucleus are protons and neutrons.

The answer to your question is electron. 
7 0
3 years ago
Read 2 more answers
What is the name of this unstable isotope from number 9?
raketka [301]

Is there a picture of the isotope or?- becaue I can’t help if I don’t have a visual.

6 0
2 years ago
Read 2 more answers
What is the relationship between density and viscosity?
PolarNik [594]

Answer:There is no relationship between the viscosity and density of a fluid. While viscosity is the thickness or thinness of a fluid, density refers to the space between its particles. However, both properties are affected by temperature. When a fluid is heated, its particles move far apart, and it also becomes less viscous.

5 0
3 years ago
The efficiency is the number of times a machine multiplies the input force <br> true or false
OlgaM077 [116]

Answer:

may be...... false not sure

Explanation:

4 0
3 years ago
Other questions:
  • How do you test a hypothesis using scientific inquiry
    8·1 answer
  • Certain substances have a degreasing effect. Which of the substances below has a degreasing effect in solution?
    14·1 answer
  • In which cell structure does MOST of the process of cellular respiration take place?
    12·1 answer
  • Refer to the given oxidation-reduction reaction, which takes place in acidic solution: MnO₄⁻(aq) + Br⁻(aq) → MnO₂(s) + BrO₃⁻(aq)
    12·1 answer
  • Independent, dependent, and controlled variable?
    11·1 answer
  • guys im morgz im going to put a nail on the seat in my mom room and im going to see how up her a- s s it will go lets see
    10·1 answer
  • Which is not an example of a code?
    7·1 answer
  • 9. What are the advantages of using an indicator to inform pH measurements? What are the advantages of using a pH meter?
    14·1 answer
  • When naming compounds, which type of compound uses prefixes to indicate the number of
    7·1 answer
  • . A current through a horizontal powerline flows in west to east direction. What is the direction of magnetic field at a point,
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!