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den301095 [7]
3 years ago
11

Image if there are no fake answers i will do 15 points next time

Mathematics
1 answer:
tekilochka [14]3 years ago
7 0

Answer:

#1) 15*6*7=630CM^3

#2) (50)^3=50*50*50=125,000

Step-by-step explanation:

Trust me my answers are REAL <333

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the algebraic expression 6(2x)+9x+3 represents the area of a rectangle .what is the the area of the rectangle when x =3 feet
sashaice [31]

Answer:

66. Assuming after you substituted 3 in place of x, you followed order of operations, or PEMDAS.

Step-by-step explanation:

6(2x) + 9x +3 = area

6 (2(3)) + 9(3) + 3 = area

6 x 6 + 27 + 3 = area

36 + 30 = 66

area = 66

5 0
3 years ago
-3x + y = -14<br> x= -2y + 14<br> Which variable should an expression be substitute for?
ICE Princess25 [194]

9514 1404 393

Answer:

  x

Step-by-step explanation:

There is already an expression given for x, so that is the easiest variable to substitute for.

Substituting for x using the second equation, you have ...

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  6y -42 +y = -14

  7y = 28

  y = 4

  x = -2(4) +14 = 6

The solution is (x, y) = (6, 4).

_____

Substitution for x is the easiest.

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The first equation could be rearranged to give an expression for y:

  y = 3x -14

Then that can be used to substitute for y in the second equation. My lazy brain judges that to be more work.

3 0
2 years ago
What is 2/3 and 1 1/8 as a decimal and percent
frutty [35]

2/3 = .6666666 (repeating) and 66  2/3%

 1 1/8 = 1.125   112.5 %

6 0
3 years ago
Read 2 more answers
HELP QUICK JUST ANSWER NO EXPLANATION
postnew [5]

Answer:

your cheating on your test but ok d and I need brainliest answer

8 0
3 years ago
Select all solutions for the equation (3x + 5)(2x + 8) = 0
Anastasy [175]

Answer:

Step-by-step explanation:

6 0
3 years ago
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