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STatiana [176]
3 years ago
15

What is the answer to 2b + 8- 5b + 3 = -13 + 8b - 5

Mathematics
2 answers:
fenix001 [56]3 years ago
8 0
B= 2 7/11

EXPLANATION : 2b-5b = -3b & 8+3 =11 , that’s leaves you with 3b+11=-13+8b-5 . do it to the other side . -13-5=-18 . leaves you with the equation -3b+11=-18+8b !!
move the variable to the left side & the constant to the right . which leads you to -3b-8b=-18-11 !! combine like terms & that takes you to -11b=-29 !! Divide both sides by -11 which makes B = 29/11 which is equivalent to 2 7/11. or 2.63
Alborosie3 years ago
7 0

Answer:

2 8/11 = b

Step-by-step explanation:

2b + 8 - 5b + 3 = -13 + 8b - 5

combine like terms

11 - 3b = -18 + 8b

add 3b

11 = -18 + 11b

add 18

29 = 11b

divide by 11

2 8/11 = b

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How would you change 125.25% to decimal form?
Romashka-Z-Leto [24]
Percent means parts out of 100 so
125.25%=125.25/100=12.525/10=1.2525/1=1.2525
basically:
percent to decimal: move decimal place 2 places to the left and get rid of percent                sign
decimal to percent: move decimal place 2 places to the right and add percent sign              at end
fraction to decimal: divide completely
fraction to percent: divide completely then convert to percent


the answer is 1.2525
6 0
3 years ago
Read 2 more answers
The Maplewood symphony orchestra sold 146 tickets and collected a total of $1036 in ticket sales. admission was five dollars for
Gnom [1K]

102 adult tickets were sold.

Step-by-step explanation:

Let,

Adult tickets = x

Children tickets = y

According to given statement;

x+y=146 Eqn 1

8x+5y=1036 Eqn 2

Multiplying\ Eqn\ 1\ by\ 5\\5(x+y=146)\\5x+5y=730\ Eqn\ 3\\Subtracting\ Eqn\ 3\ from\ Eqn\ 2\\(8x+5y)-(5x-5y)=1036-730\\8x+5y-5x-5y=306\\3x=306\\Dividing\ both\ sides\ by\ 3\\\frac{3x}{3}=\frac{306}{3}\\x=102\\

102 adult tickets were sold.

Keywords: Linear equations, subtraction

Learn more about linear equations at:

  • brainly.com/question/9087716
  • brainly.com/question/9056912

#LearnwithBrainly

7 0
3 years ago
4.1
Elina [12.6K]

Answer:

4.1 -

300/22= 13.65

so the answer is 13.63

4.2

distance/speed

330/110= 3

So it'll take 3 hours

4.3

sorry not sure for this one :(

7 0
3 years ago
Read 2 more answers
M is the midpoint of AB has coordinates(5, −4), if A has coordinates(6,1). What are thecoordinates of B. (1.5pts)?
Alexandra [31]

Answer:

coordinates of A are (11/2, -3/2)

Step-by-step explanation:

midpoint = M(5, −4)

start point = A(6, 1)

endpoint = B(x, y)

 

                                      equation :

x =    m1 × x2 + m2 × x1                         y =  m1 × y2 + m2 × y1

       _____________                                 _____________

              m1 + m2                                             m1 + m2

x =  (1 × 6) + (1 × 5)                                    y=  (1 × 1) + (1 × -4)

  _____________                                      ____________

          1 + 1                                                           1 + 1

x = (6+5 )/ 2 = 11 / 2                                  y = (1+(-4))/2+(1-4)/2 = -3/2

                                ∴coordinates of A are (11/2, -3/2)

i think u should view this on a wider screen if ur using a phone <3

7 0
3 years ago
Solve 4x - c=k for x
kumpel [21]

Answer:

x=k/4+c/4

Step-by-step explanation:

4x-c=k

4x=k+c

x=k/4+c/4

8 0
4 years ago
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