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Blababa [14]
3 years ago
14

to find 1,188 divided by 12. I think about 1,200 divided by 12 that's groups 100of 12. 1,188 has fewer group of 12

Mathematics
1 answer:
Sergio [31]3 years ago
8 0

To find 1,188 divided by 12. I think about 1,200 divided by 12 that's groups 100 of 12. 1,188 has fewer group of 12

Answer: If we divide 1200 by 12, we will get 100 12's in 1200.

But our question is 1188 divided by 12.

So the difference between 1200 and 1188 is 12. Therefore there will be 99 12's in 1188.

Therefore, 1188 divided by 12 is 99.

Also I have shown in the image attached how 1188 divided by 12 is 99.


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Martha states that -6 is a rational number. Which is a correct explanation for this statement ?
viktelen [127]
Martha is indeed right when she states that -6 is a rational number. Just like the name implies, a rational number is a number that can be written as a/b with b not equal to 0. Since -6 can be written as -6/1, and since that is a ratio, that is why -6 is a rational number. 
4 0
3 years ago
Assume that Thermometer readings are normally distributed with a mean of 0°C and standard deviation of 1.00°C. A Thermometer is
Ne4ueva [31]

Answer:

  0.2857

Step-by-step explanation:

The probability of interest is the area under the probability density curve between the z-values associated with the temperature limits of interest.

__

The first attachment shows a "sketch" of the distribution and the area of the portion of interest. (It also shows the probability as 0.2858.)

__

The second attachment shows the table values of interest for this problem. The z-values that we want to look for in the table are ...

  z1 = (0.50° -0°)/1.00° = 0.50

and

  z2 = (2.00° -0°)/1.00° = 2.00

The area of the probability density function to the left of each of these z-values is given in the table, so the area between them is the difference of table values:

  0.9772 -0.6915 = 0.2857

The probability of a reading between 0.50 and 2.00 is about 0.2857.

4 0
4 years ago
One fifth of a number plus three times the number is equal to twice the number plus 42. What is the number ?
Veseljchak [2.6K]
The answer is 5 your welcome
4 0
3 years ago
Please help, thx if you do :) Twice the complement of an angle is 26° less than the supplement of the angle. Find the angle. A.
leonid [27]

Answer:

x=26 degrees (D)

Step-by-step explanation:

Let's say x is the angle.

90-x would be the complement of the angle

180-x is the supplement

We can make the equation

supplement-26=2complement as the question states that twice the complement is 26 less than the supplement.

We can now substitute the 90-x and 180-x in their respective positions to get (180-x)-26=2(90-x) if we simplify this we get 180-x-26=180-2x which if we take away 180-x from both sides we get that -26=-x or 26=x

5 0
3 years ago
For the system shown below, what is the value of z? 3x - y = 16 3x - 4z = 2 y = -2x +14
Maslowich

Answer:

c) 4

The value of   z= 4

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given equations are  

             3x - y =16 .. . (i)

            3x -4z =2  .. . (ii)

            2x +y = 14 .. .(iii)

solving (i) and (ii) equations , we get

      Adding (i) and (ii)

  3 x -y + 2x +y = 16 +14

      5 x = 30

         x = 6

<u><em>step(ii):-</em></u>

Substitute 'x' =6 in equation (i), we get

      3(6) -y =16

       18 - 16 =y

        y = 2

x =6 and y =2

substitute x=6 in equation (ii) , we get

      3 (6) - 4 z = 2

      18 - 2 = 4 z

        16 = 4 z

      z = 4

<u><em>Final answer:-</em></u>

x = 6 , y = 2 and z =4

7 0
3 years ago
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