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NemiM [27]
2 years ago
5

Solve the inequality. x+5>9

Mathematics
1 answer:
fomenos2 years ago
8 0

Answer:

X=5

Step-by-step explanation:

When finding a variable, you must do inverse operations, or actions that undo each other. We must subtract 5 from 9. The answer is 4, so we know that the answer is 5, because the answer has to be greater than 9.

5+5=10>9

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Kristina lives 24.5 miles from the nearest mall Betn lives 2 1/2 times the distance from the mal then Kristina does. How mory mi
rodikova [14]

Answer:

61.25

Step-by-step explanation:

2 1/2 is 2.5 in decimal.

24.5*2.5

Multiplying 24.5 by 2.5 gives 61.25

3 0
3 years ago
The probability of passing the math class of Professor Jones is 64%, the probability of passing Professor Smith's physics class
alexgriva [62]

Answer:

The probability of using one or the other is 36%

Step-by-step explanation:

For solving this problem it is easy if we see it in a ven diagram, for this first we are going to name the initial conditions with some variables:

Probability of passing Professor Jones math class = 64% =0,64

P(J) = 0.64

Probabiliry of passing Professor Smith's physics class = 32% =0.32

P(S) = 0.32

Probability of passing both is = 30% = 0.30

P(JnS) = 0.30 (Is is an intersection so it is in the middle of the ven diagram

We need to know which is the probability of pasing one or the other for this we need to take out the probability of passing both for this we have to add the probability of passing  Professor Jones math class with the probabiliry of passing Professor Smith's physics class and substract the probability of passing both for each one:

P(JuS) = (P(J) - P(JnS)) + (P(S) - P(JnS)) = (0.64 - 0.30) + (0.32 - 0.30) = 0.34 + 0.02 = 0.36 = 36%

If you check the ven diagram you can see that if we add all what is in red we will have the probability of passing Professor Jones math class and if we add all what is in blue we wiill have the probability of passing Professor Smith's physics class, and if we add just what is in each corner we will get the same value that is the probabilty of passsing one or the other.

5 0
3 years ago
Find A to the nearest degree if cos A = 0.7660
STALIN [3.7K]

Answer:

A = 40^\circ

Step-by-step explanation:

Use the inverse cosine function.

\cos A = 0.7660

A = \cos^{-1} 0.7660

A = 40^\circ

5 0
3 years ago
PLEASE HELP !!! ILL GIVE BRAINLIEST!! *DONT SKIP* ILL GIVE 40 POINTS.
svet-max [94.6K]

Answer:

5.5

Step-by-step explanation:

57-29.5 / 10-5 = 5.5

4 0
3 years ago
Read 2 more answers
Based on a​ poll, 63% of Internet users are more careful about personal information when using a public​ Wi-Fi hotspot. What is
VashaNatasha [74]

Answer:

So it's a big probability it's a 6 in 4 chance though. 6 is for users that are careful and 4 for users that aren't that careful.

Step-by-step explanation:

3 0
2 years ago
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