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
ivanzaharov [21]
3 years ago
8

Need help in math will give BRAINLY

Mathematics
1 answer:
Nady [450]3 years ago
3 0

1. -18 +15x = 3(4x-6) + 3x

-18 + 15x = 12x - 18 + 3x

-18 + 3x = -18 + 3x

3x = 3x

x = All Real Numbers (because we don't know what x is since the equation is 3x = 3x, we can assume that it is all "real" numbers)

2. -10 + 5x = 5(x - 3) + 5

-10 + 5x = 5x - 15 + 5

-10 = -10

Answer Undefined (because the x coefficients canceled out, we don't know what x even is, so we can claim it as undefined.)

You might be interested in
6=m-7/8<br> please help me pleaaaaaaaase
AlladinOne [14]

Answer:

m = 55/8 = 6.875

Step-by-step explanation:

Step by step solution :

Step  1  :

           7

Simplify   —

           8

Equation at the end of step  1  :

            7

 6 -  (m -  —)  = 0  

            8

Step  2  :

Rewriting the whole as an Equivalent Fraction :

2.1   Subtracting a fraction from a whole

Rewrite the whole as a fraction using  8  as the denominator :

         m     m • 8

    m =  —  =  —————

         1       8  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

3 0
3 years ago
58 X 70 + 0 - 1 X 80<br><br> STARTING A NEW ACCOUNT SO HERES THE POINTS
laiz [17]

3980 that is the answer



3 0
3 years ago
Read 2 more answers
Given that the sum of squares for error is 60 and the sum of squares for regression is 140, then the coefficient of determinatio
Anastasy [175]

Answer:

<h2>0.7</h2>

Step-by-step explanation:

The coefficient of determination which is also known as the R² value is expressed as shown;

R^{2} = \frac{sum\ of \ squares \ of \  regression}{sum\ of \ squares \ of total}

Sum of square of total (SST)= sum of square of error (SSE )+ sum of square of regression (SSR)

Given SSE = 60 and SSR = 140

SST = 60 + 140

SST = 200

Since R² = SSR/SST

R² = 140/200

R² = 0.7

Hence, the coefficient of determination is 0.7. Note that the coefficient of determination always lies between 0 and 1.

7 0
3 years ago
1. Juan paid $2.52 for 12 ounces of peanuts
Alborosie

Answer:

$0.21

Step-by-step explanation:

2.52/12

6 0
3 years ago
Question DEF will be reflected across a line such that all of vertices of triangle D’E’F are in quadrant II. What line of reflec
natali 33 [55]

Answer:

i think the answer is b by far

5 0
3 years ago
Read 2 more answers
Other questions:
  • When a number is a multiple of 6, what are the possible values for the ones digit?
    11·1 answer
  • Which of the following statements is true? A. Congruent angles have the same measure. B. Congruent angles are complementary. C.
    7·1 answer
  • (-2m+5)(8) help fast plz
    14·2 answers
  • A triangle has sides measuring 7 centimeters and 13 centimeters that form an angle measuring 44°. Which of these is CLOSEST to t
    12·1 answer
  • Dean needs $150 for a miming class. He already has $85 and he can earn the rest by working 13 hours at his job. If h represents
    12·1 answer
  • The solution set for -2x^2+12x=0
    12·1 answer
  • Bob and Larry went on a tricycle ride. They rode for the same amount of time, but Bob cycled 10 miles per hour slower than Larry
    7·1 answer
  • PLEASE HELP question is in the picture
    13·1 answer
  • Can somebody help me with this?
    5·1 answer
  • If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!