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
xz_007 [3.2K]
3 years ago
8

Two times the sum of a number 3 is -14

Mathematics
1 answer:
bija089 [108]3 years ago
3 0

n = the number

 

2(n + 3) is the expression

You might be interested in
Two trains travel a 160 km track each day. The express travels 10 km h^-1 faster and take 30 minutes less time than the normal t
aniked [119]
Let s = the speed of the slower train in km/hrs+10 = the speed of the faster train in km/hrLet t = time in hrs for the slower train to go 160 kmt-5 = time in hrs for faster train to go 160 km---------------Slower train:(1)
160=s.t

Faster train:(2) 160=(s+10) .(t-.5)From (1)(1) t=160/s
use the relations given in following screenshot and then use quadratic equation.

4 0
3 years ago
Using the order of operations, what should be done first to evaluate 6 squared + 10 divided by (negative 5) (3) minus 5?
tiny-mole [99]
If anything is in parentheses do that first, however if there isn’t you always do exponents next so evaluate 6 squared
Hope this helps!!
3 0
3 years ago
Read 2 more answers
The elements of a function of x are (5, 6), (50, 15), and
Lelechka [254]

Answer:

i try my best to find the answer if i can give me some time when i will find then i will tell you

Step-by-step explanation:

4 0
2 years ago
Simplify completely''''​
34kurt

Answer:

\displaystyle \frac{2(x + 3)}{5x - 2}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Terms/Coefficients
  • Factoring

Step-by-step explanation:

<u>Step 1: Define</u>

\displaystyle \frac{2x^2 + 16x + 30}{5x^2 + 13x - 6}

<u>Step 2: Simplify</u>

  1. [Fraction] Factor numerator:                                                                         \displaystyle \frac{2(x + 3)(x + 5)}{5x^2 + 13x - 6}
  2. [Fraction] Factor denominator:                                                                     \displaystyle \frac{2(x + 3)(x + 5)}{(x + 3)(5x - 2)}
  3. [Fraction] Divide:                                                                                           \displaystyle \frac{2(x + 3)}{5x - 2}
8 0
3 years ago
What is the product of −2/5 and −0.8? Select all that apply.
stepan [7]

Answer:

0.32

Step-by-step explanation:

You can convert -2/5 to -0.4. Then multiply them together to get 0.32. Remember that multiplying two negatives makes a positive. Hope this helps :)

7 0
3 years ago
Read 2 more answers
Other questions:
  • Alguien me puede ayudar con esto, no lo entiendo???
    9·1 answer
  • The weight of water is 62 1/2 lb per cubic foot water that weighs 300 lb will fill how many cubic feet
    12·1 answer
  • Simplify 252 over 288
    12·1 answer
  • List the sides of each triangle from shortest to greatest
    8·1 answer
  • PLEASE HELP!!! What are the cross products of the problem of the proportion 12/20=3/5
    6·1 answer
  • Find an equation of the line passing through the point (6,2) and perpendicular to −2x−1y=−3
    10·1 answer
  • Write the equation in standard form using integers.
    6·1 answer
  • Can anyone help me please? Also explain if you can. Thank you :)
    14·1 answer
  • Which set of population data is the least dispersed from its mean?
    11·2 answers
  • Ava read 121 books in 12.1 months. How many books per month did she read?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!