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iren [92.7K]
3 years ago
15

10.

Mathematics
2 answers:
Crank3 years ago
5 0
7.5 × 10-4

That's the scientific notation answer ^
Nesterboy [21]3 years ago
4 0
The answer for this question is 7.5 times 10 -4
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You are going to roll two dice. Let the variable x = the sum of the numbers rolled. What is the probability that x = 9 ?
Vladimir79 [104]

The  first cube can land in any one of  6  ways.
The  second cube can land in any one of  6  ways.
Total number of ways that  2 dice can land = (6 x 6) = 36 ways.

For any of these ways, the sum of the numbers rolled is  9 :

3, 6
4, 5
5, 4
6, 3

There are  4  ways to roll a 9, out of a total of  36  ways that
the dice can land.  So the probability of rolling a  9  is

       4 / 36  =  1 / 9  =  <em>11-1/9 percent</em>


7 0
3 years ago
gerald spent $5.12 for a drink and a sandwich his drink cost $1.30 did he have a ham sandwich for $3.54 a tuna sandwich for $3.8
Korolek [52]
5.12-1.30= your answer
7 0
3 years ago
Read 2 more answers
Solve for x.<br> -6x = -18
marta [7]

Answer:

3

Step-by-step explanation:

The goal is to get the x to be on one side of the equation on its own.

-6x = -18

To get rid of the -6, we would have to do the opposite of what it's doing in the equation - in this case, we would divide, as it's the opposite of multiplying.

What we do to one side of the equation, we have to do to the other.

-6x/-6 = x

-18/-6 = 3

x = 3

Hope that makes sense!

3 0
3 years ago
Read 2 more answers
How do you convert the general equation form of a circle to standard form? Answer correctly to get 20 points. Please provide an
ivanzaharov [21]

Answer:

Step-by-step explanation:

The standard form of a circle's equation is (x-h)² + (y-k)² = r² where (h,k) is the center and r is the radius. To convert an equation to standard form, you can always complete the square separately in x and y.

5 0
2 years ago
If the area of a circle is 81π, then what is the diameter of the circle?​
viva [34]

Answer:

18

Step-by-step explanation:

81π=πr^2

r= 9,-9

9+9=18

7 0
3 years ago
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