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kirill115 [55]
2 years ago
6

Evaluate when x=5 x x²-3x+4

Mathematics
1 answer:
serg [7]2 years ago
6 0

Answer:

14

Step-by-step explanation:

To evaluate, substitute x = 5 into the expression, that is

5² - 3(5) + 4 = 25 - 15 + 4 = 14

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Frank has a chance of receiving an A grade in statistics, a chance of receiving an A grade in geology, and a chance of receiving
valentinak56 [21]

Complete Question:

Frank has a 41% chance of receiving an A grade in statistics, a 36% chance of receiving an A grade in geology, and a 23% chance of receiving A grades in both statistics and geology. Find the probability that he receives an A in statistics or geology (or both) Write your answer as a decimal (not as a percentage).

Answer:

The probability that he receives an A in statistics or geology (or both) is:

0.54

Step-by-step explanation:

Probability of receiving an A grade in statistics = 41% or 0.41

Probability of receiving an A grade in geology = 36% or 0.36

Probability of receiving A grades in both statistics and geology = 23% or 0.23

Let S = statistics and p(S) = probability of A grade in statistics

Let G = geology and p(G) = probability of A grade in geology

Let p(S and G) = probability of A grades in statistics and geology.

The probability that he receives an A in statistics or geology (or both) is:

= p(S + G) - p(S and G)

= (0.41 + 0.36) - 0.23

= 0.54

8 0
3 years ago
How do you find LCM? please give a good explanation!
Anna [14]

Answer:

72xy1

Step-by-step explanation:

becuz the multiple of 9,6 and 24 is 72 and the multiple of x is 1x which is just x and the multiple of y is 1y

8 0
3 years ago
-7X + 9 In the expresion show, which of the following is the variable
Nataliya [291]

Answer:

x

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Please help ASAP please please
OLEGan [10]

Answer:

C

Step-by-step explanation:

0.38 = 19/50

Hope this helps!

8 0
3 years ago
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PLEASEE HELP ME WITH THIS QUESTION!!!
antoniya [11.8K]

Answer:

48°

Step-by-step explanation:

We can use the explanations from my previous answers to solve this. Lines are 180 degree angles. Use the equation: x + 132 = 180

Solve that:

180 - 132 = 48

5 0
2 years ago
Read 2 more answers
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