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
baherus [9]
4 years ago
14

Plz help me with these three

Mathematics
1 answer:
umka2103 [35]4 years ago
4 0
1. + and - are inverses as well as × and ÷
2. They are equivalent because x equals -3 in each equation.
3. x-3=6 because x=9 in this equation whereas it equals 6 in all of the other ones
You might be interested in
Solve the system of equations 3x – 3y = 30 and 2x + y = 11 by<br> combining the equations.
Andreas93 [3]
Times bottom equation by 3 and top by 2 to get the same coefficient of x
6x-6y=60
6x+3y=33
Minus the bottom by the top
-9y=27
y=-3
substitute this in to one of the equations
2x -3 = 11
add 3 to both sides
2x=14
x=7
6 0
3 years ago
How do I subtract a whole number from a fraction
jasenka [17]

Answer:

In order to subtract a whole number from a fraction, you first have to turn the hole number into a mixed fraction.

Step-by-step explanation:

Say your fraction was 2/3 and your whole number was 5.

They have to have like denominators

5/1 - 2/3 = 15/3 - 2/3

15/3 - 2/3 = 13/3

13/3 = 4 1/3

6 0
3 years ago
B. (x + 3)(x^2 – 3x + 27 )=
natali 33 [55]

(x+3)(x^2-3x+27)

x^3-3x^2+27x+3x^2-9x+81

x^3+19x+8

3 0
3 years ago
Determine the value for x in the given diagram when a||b.
Sladkaya [172]

Answer:

55°

Step-by-step explanation:

Since a||b

Then corresponding angles are equal

So 55 is correspondent to X

Therefore X=55°

4 0
3 years ago
Read 2 more answers
Karin wants to use the distributive property to mentally find the value of 19 x 42+ 19x 58. Which expression can she use?
olasank [31]

Answer:

19(42 + 58)

Step-by-step explanation:

Assuming x = multiply, you are trying to solve the distributive property. Divide common factors from both terms (in this case 19).

~

7 0
3 years ago
Read 2 more answers
Other questions:
  • Solve the following quadratic equation by the square root property of equality. <br> (x-8)^2=48
    12·1 answer
  • Which pair is a base and corresponding height for the triangle?
    6·1 answer
  • Which decimal is equivalent to 5 3/4?
    15·1 answer
  • Once you have the value of a variable, how can you check that it is correct?
    13·1 answer
  • 1 .Is the product of two rational numbers irrational or rational? First, make a hypothesis by multiplying two rational numbers.
    7·1 answer
  • francisco's credit card has an apr of 13%, calculated on the previous monthly balance, and a minimum payment of 2%, starting the
    14·2 answers
  • Translate the phrase into a variable expression. Use the letter p to name the
    13·1 answer
  • On average 113,204 aluminum cans are recycled in a minute. Approximately how many cans will be recycled in 16 days? (Express you
    15·1 answer
  • I'm doing a math for summer school, and i don't know what this means.
    10·1 answer
  • Gabrielle is 15years older than mik. The sum of their ages is 103.what is mik age?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!