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Mrac [35]
2 years ago
6

Solve for r. -49 = -7r

Mathematics
1 answer:
Nikolay [14]2 years ago
5 0
R=7 because you would do -49 divided by -7
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Which of the following statements is not​ true? A. If the probability of an event occurring is​ 0, then it is impossible for tha
FromTheMoon [43]

Answer:

C. If the probability of an event occurring is​ 1.5, then it is certain that the event will occur.

Step-by-step explanation:

Probability is a value between <em>0 and 1</em> (including both values). Thus, to say that there is a probability of 1.5 is not correct, and, therefore, this statement is not true.

We can rewrite the statement as "If the probability of an event occurring is 1, then it is completely certain that the event will occur."

Statement A.

Suppose the event is A. Then, if P(A) = 0, it is completely certain that the event will not occur. It is true.

Statement B.

\\ if P(A) = 0\;then\;P(\overline{A}) = 1 - 0 = 1. Then, the statement is true.

Statement C.

We already explained the <em>statement C is not true</em> because the values for probabilities are between 0 and 1 (including both values). A probability of 1.5 is meaningless as a result.

Statement D.

For the same reason explained in C, the probability can never be a negative value. So, this statement is also true.  

4 0
3 years ago
8 1/6+3/4<br> please help!!!
PSYCHO15rus [73]

8 11/12 To solve this you have to convert 8 1/6 to 8 2/12 and 3/4 to 9/12. 8 2/12 + 9/12 =8 11/12

7 0
3 years ago
Whats the volume ?????
tiny-mole [99]

Answer:

Step-by-step explanation:

Multiply the three dimensions

12 x 6 x 8 = 576 cm^3

4 0
2 years ago
Read 2 more answers
A certain television is advertised as a 25-inch TV (the diagonal length). If the width of the TV is 24 inches, how many inches t
VashaNatasha [74]
It is 7 inches tall - pythagorean theorem
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2 years ago
Kyla makes a triangular school pennant. The area of the triangle is 180 square inches. The base of the pennant is z inches long.
kykrilka [37]
We can represent the base as z and the height as 2z+6. We are going to use the formula A=1/2*b*h and solve for z
180=1/2*z*(2z+6)
360=2z^2+6z 
0=2z^2+6z-360
0=2(z^2+3z-180)
0=(z+15)(z-12)
So z=-15 and 12 but it must be positive so then the base is equal to 12

When we plug this into 2z+6 we get 30 for the height
2(12)+6=30

Hope this helps
4 0
3 years ago
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