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Ahat [919]
2 years ago
14

Evaluate the expression 9-3÷1/3+1 A. 9 B. 3 C. 1 D. 19​

Mathematics
1 answer:
ikadub [295]2 years ago
7 0
PEMDAS
P- none
E- none
M- none
D- (3/1/3=1)
AS- 9-1+1=9

The answer is A.
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Mkey [24]
There are 9 two-year-olds and 18 each of 3 and 4 year olds.

To solve this we could write and solve the equation below, letting x be the number of 3 and 4 year olds.

x/2 + x + x = 45
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From here, we just divide 18 by 2 to get the number of 2 year olds.
6 0
3 years ago
What is the solution to the system of equations?
Yuri [45]

Answer:

No solution

Step-by-step explanation:

Note how "2x" shows up in both equations.  This suggests doing a substitution to solve the system.

Focus first on the first equation.  Solving 2x - y = 7 for 2x, we get:

2x = y + 7.

Next, we substitute y + 7 for 2x in the second equation:

y = (y + 7) + 3.

Simplifying this produces:

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This is not true and can never be true.  Thus, this system has no solution.

6 0
3 years ago
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Explain the difference between a greatest common factor and a least common factor
Simora [160]
Greatest Common Is The More Times It Can Go In To That Number. And The Least Is The Least Many Times.

4 0
2 years ago
Brainlist for best answer and 100 points
dexar [7]
Well, $920 multiplied by .15 would equal 138 and
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8 0
3 years ago
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What is the area of this polygon?<br><br><br><br> Enter your answer in the box.<br><br> units²
Gwar [14]

Answer:

  39 units²

Step-by-step explanation:

Quadrilateral VEDR has a width of 5 units and a height of 6 units, so an area of ...

  (5 units)(6 units) = 30 units²

Triangle MVR has a base (VR) of 6 units and a height (M to VR) of 3 units, so an area of ...

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Then the total area of the polygon MVEDR is ...

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4 0
3 years ago
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