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ddd [48]
2 years ago
8

Pleaaasee need correct answer! Brainliest(:

Mathematics
2 answers:
larisa86 [58]2 years ago
7 0

Answer:

Choice 4 is the correct answer

kompoz [17]2 years ago
5 0

Answer:

2 the transitive property :))))))))))))

Step-by-step explanation:

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You go out to eat at the Outback Steakhouse. Your meal, drink and desert cost $38.56. You are
Stells [14]

Answer:

44.34

Step-by-step explanation:

15 \div 100 \times 38.56 =

= 5.78

38.56 + 5.78 = 44.34

5 0
2 years ago
A is 2 times older than B. Identify the appropriate expression.
-Dominant- [34]

Answer:

C. 2x

Step-by-step explanation:

Let

B's age = x years

A's age = 2 times older than B

= 2 * x

= 2x years

A's age = 2x years

For instance, if B's age is 17 years

Then,

A's age = 2x

= 2(17)

= 34 years old

6 0
3 years ago
Find the value of the expression<br><br> dc + 2h<br><br><br> for c = 2, d = 3, and h = 3.
iren2701 [21]

Answer:

12

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

Step-by-step explanation:

<u>Step 1: Define</u>

dc + 2h

c = 2

d = 3

h = 3

<u>Step 2: Evaluate</u>

  1. Substitute:                        3(2) + 2(3)
  2. Multiply:                            6 + 6
  3. Add:                                  12
7 0
3 years ago
Read 2 more answers
A box contains 146 marbles which are either red or blue. there are 28 more blue marbles than red marbles. how many blue marbles
rusak2 [61]
R + b = 146.  Supposing that b=r+28, 

r + (r+28) = 146, or 2r + 28 = 146.

Simplifying:  2r = 118.  Then r = 59, and b = r+28 = 59+28 = 87 blue marbles
6 0
3 years ago
Pls help, 20 points!!
klemol [59]

Answer:

(-18,9)

Step-by-step explanation (work shown in picture attached):

1) The first step in solving by substitution is to isolate the y-term in one of the equations if it is not already isolated. Isolate y in the first equation by dividing both sides by -2. This leaves us with the equation y = \frac{-x}{2}

2) Now, substitute \frac{-x}{2} for the y in the second equation. Simplify and isolate x. (You can multiply everything by -2 to get rid of the fraction.) This leaves us with x = -18.

3) We've found the x-value of the solution, -18. Now, substitute -18 for x back into one of the original equations (I chose the first one because it was simple) and isolate y. This gives us y = 9. Thus, in point form, the answer is (-18,9).

7 0
3 years ago
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