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andrew11 [14]
4 years ago
12

5x - 2 =18 Чx+ 2 = 18

Mathematics
2 answers:
Mrac [35]4 years ago
6 0

Answer:

4

Step-by-step explanation:

rusak2 [61]4 years ago
6 0

Answer:

x=4   x=4

Step-by-step explanation:

5x-2+2=18+2    

5x=20

5x/5=20/5

x=4

4x+2-2=18-2

4x=16

4x/4=16/4

x=4

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9 4/5 - 2 3/10= write in simplest form
Solnce55 [7]
Can you post your middle school questions in the middle school area...

9 4/5 - 2 3/10 = X
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7 0
3 years ago
I need help pls!
vredina [299]

Answer:

Step-by-step explanation:

7 feet   1 foot is 12 inches

7*12= 84 inches.

None of the choices are correct.

90 inches is 7.5 feet

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4 0
3 years ago
What is the least number of cuts you would need to make to cut a 3 by 3 by 3 inch block of cheese into 1 by 1 by 1 inch blocks o
Semenov [28]

Answer:

6 Cut Minimum

Step-by-step explanation:

According to the Question,

You have a 3x3x3 cube.

  1. First make two cuts parallel to base of the cube each at a distance of 1 unit . This leaves you with three cuboids of dimensions 3x3x1.
  2. Now make two parallel cuts parallel to the height of the cube. This leaves you with nine cuboids of dimensions 3x1x1.
  3. Now make the final two cuts each 1 unit apart parallel to width and you are left with 27 cubes of 1x1x1.

So , the final answer is 6 cuts.

5 0
3 years ago
The centre of the stained glass window is in the shape of a regular polygon. What are the measures of the interior angle of the
tester [92]

Answer:

67.5 - 67.5 - 45 °

Step-by-step explanation:

Sum of INTERIOR angles of a polygon

  (n-2) * 180      <====<u>ya just have to remember/know this !</u>

n is the number of sides     n = 8 in this case

(8-2)*180 = 1080 °     < === this is the SUM of the 8 interior angles

        EACH interior angle is then   1080 / 8 = 135 °

  you can see from the picture that each of the two outside angles of the green triangle are 1/2 of this = 67.5° each

   so the triangle measurements are

              67.5 - 67.5 - 45     ( they have to sum to 180 for triangle)

4 0
2 years ago
You have measured the systolic blood pressure of a random sample of 25 employees of a company located near you. A 95% confidence
kumpel [21]
I have 0 idea sorry
8 0
3 years ago
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