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
MArishka [77]
1 year ago
3

2.5 ( x + 8 ) = 3.5x - 4

Mathematics
2 answers:
Burka [1]1 year ago
5 0

Answer:

x = 20

Step-by-step explanation:

Expanding the bracket on the right gives us :

2.5x + 20 = 3.5x - 4

Subtract 2.5x from both sides :

20 = x - 4

Add 4 to both sides :

20 = x

x = 20

Hope this helped and have a good day

m_a_m_a [10]1 year ago
3 0
I hope this helps !!

You might be interested in
The equation of the line
hammer [34]
(9,0) (0,9) choose any two points since it’s a straight line honey and the dk the difference between the two points

9-0
———. = 1
0-9
5 0
3 years ago
The present age of Madison’s mother is 3 times that of Madison. After 614 years, the sum of their age will be 5334 years. Find t
Neporo4naja [7]

The present age of Madison is <u>1027 years</u> and that of his mother is <u>3080 years</u> (rounded off to nearest whole numbers), solved using the linear equation in one variable: <u>(x + 614) + (3x + 614) = 5334</u>, where x represents the present age of Madison.

<h3>What are linear equations in one variable?</h3>

Linear equations in one variable are the linear relationship between two algebraic expressions not involving more than one variable throughout the equation.

<h3>How to solve the question?</h3>

In the question, we are informed that the present age of Maison's mother is 3 times that of Madison. After 614 years, the sum of their age will be 5334 years.

We are asked to determine their present ages.


We assume the present age of Madison to be x years.

Therefore, the present age of Madison's mother = 3x years {3 times that of Madison}.

Now, after 614 years, both of their ages will increase by 614 years.

Therefore, age of Madison after 614 years = x + 614 {Present + 614}.

Age of Madison's mother = 3x + 614 {Present + 614}.

We are given that after 614 years, the sum of their ages will be 5334.

This can be represented by the linear equation in one variable:

(x + 614) + (3x + 614) = 5334

This linear equation in one variable can be simplified and solved in the following way:

or, 4x + 1228 = 5334 {Simplifying},

or, 4x + 1228 - 1228 = 5334 - 1228 {Subtracting 1228 from both sides}

or, 4x = 4106 {Simplifying}

or, 4x/4 = 4106/4 {Dividing both sides by 4},

or, x = 1026.5 {Simplifying}.

Therefore, the present age of Madison = x = 1026.5 = 1027 years (nearest whole number).

The present age of Madison's mother = 3x = 3*1026.5 = 3079.5 = 3080 years (nearest whole number).

Learn more about linear equations in one variable at

brainly.com/question/185288

#SPJ2

7 0
2 years ago
Read 2 more answers
23. 18+ (5 + 6m)<br>25.10y(7) how do do this​
tangare [24]

Answer:

m = 1.6

Step-by-step explanation:

i can do 23 i can say

anything in ( ) first so its18= 11m and divide 11 by 11 its 0 so its stays m

m=18 what you do one side you do the other so 18 divided by 11  

5 0
3 years ago
Ronald and his three friends shared the cost of a pizza and a soda for each of them. The pizza cost $12.64 and each soft drink c
AfilCa [17]
Do 12.64 divided by 4. That is each person’s cost of pizza. Then add 0.95 to the cost of pizza. That is your total.
3 0
3 years ago
Read 2 more answers
Identify factors that influence the significance level and power of a hypothesis test. Which of the following statements is FALS
Gnoma [55]

Answer:

b. A smaller sample size would increase the effectiveness of a hypothesis test.

Step-by-step explanation:

A hypothesis test is an important procedure in the field of statistics. It evaluates any two mutually exclusive statements about a population that determines and tells which statement made best supports to the sample data provided.

Now we know that an increase in the sample size makes the hypothesis test more effective and sensitive and it is more likely to reject the null hypothesis.

The probability of making a type I error is known as the Alpha while the probability of making type II error is called Beta.

Thus the correct option is (b).

8 0
3 years ago
Other questions:
  • There are two buildings that you want to have in the amusement park, but the size hasn’t been determined yet. Although you don’t
    10·1 answer
  • Gina is working on a jigsaw puzzle.She completed 1/10 of the puzzle today.In simplest form, what fraction of the puzzle is compl
    6·2 answers
  • the table describes the types of job openings available in a company. what is the probability that experience is needed for a ra
    5·1 answer
  • Emma collected 72 apples from the orchard and put an equal number of apples into 6 baskets. Mrs. Doolan wants 3 baskets of apple
    6·2 answers
  • A new post-surgical treatment is being compared with a standard treatment. Seven subjects receive the new treatment, while seven
    10·1 answer
  • Explain how you would use addition to find the product of –2 and 5 using the integer tiles and the number line.
    7·2 answers
  • A number written in the form a + bi is called a _____ number.
    15·2 answers
  • The spinner shown is divided into congruent sections that are labeled from 1 through 7. If the spinner is spun one time, what is
    14·2 answers
  • Hey I need help please
    11·1 answer
  • Is this statement true or false?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!