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Nastasia [14]
3 years ago
10

Classic Probability

Mathematics
2 answers:
Ostrovityanka [42]3 years ago
7 0

Answer:a

Step-by-step explanation:

muminat3 years ago
5 0
A if the probability is 70percent that means that 70 times out of 100 you will have the event happen. If you reduce that number by 10 (divide top and bottom by 10) you get 7/10 or 7 out of 10 times
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Point A is located at (3,-6) and point A is located at (1-2). What is the scale factor?
Anuta_ua [19.1K]

Answer:

The scale factor is 3.

Step-by-step explanation:

Let the origin O(0,0) is the reference point and the coordinates of the point A are given by (3,-6).

Therefore, the distance OA is given by \sqrt{(3 - 0)^{2} + (- 6 - 0)^{2}} = 3\sqrt{5} units.

Again, the coordinates of point A' are (1,-2).

Therefore, the distance OA' is given by \sqrt{(1 - 0)^{2} + (- 2 - 0)^{2}} = \sqrt{5} units.

Hence, the scale factor is \frac{OA}{OA'} = \frac{3\sqrt{5} }{\sqrt{5}} = 3. (Answer)

4 0
3 years ago
Karin is cutting a rectangular canvas fora painting she plans to do. she wants thecanvas to havean areaof 144 square inches. she
Bezzdna [24]
Not sure what dimensions means but this is what I got out of it , hope it helps !

6 0
3 years ago
Use the function f(x) = 2x3 - 3x2 + 7 to complete the exercises.
leonid [27]

Answer:

Step-by-step explanation:

The value of the function f(x) at x=a can be determined by substituting a instead of x into the function expression.

1. When x=-1, then

f(-1)=2\cdot (-1)^3-3\cdot (-1)^2+7=-2-3+7=2.

2. When x=1, then

f(1)=2\cdot 1^3-3\cdot 1^2+7=2-3+7=6.

3. When x=2, then

f(-1)=2\cdot 2^3-3\cdot 2^2+7=16-12+7=11.

4 0
3 years ago
Read 2 more answers
I'll give u a kith pls help
lord [1]

ANSWER:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

(−2,−16)

Equation Form:

x= −2, y= −16

8 0
3 years ago
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8. In order to qualify for the year-end tennis tournament,
Vikentia [17]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
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