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nlexa [21]
3 years ago
10

evaluate the expression 9(a 2b) c for a = –3, b = –2, and c = 1. i kept getting the answer of 10 but it's not one of my choices

a. -62 b. -91 c. 46 d. 64
Mathematics
1 answer:
den301095 [7]3 years ago
7 0
What grade are u? I'm just asking cause the formulas are going with grade I could help if u want me too
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PLEASE HELP 10pts
Veronika [31]

Answer:

Hence the function which has the smallest minimum is: h(x)

Step-by-step explanation:

We are given function f(x) as:

  • f(x) = −4 sin(x − 0.5) + 11

We know that the minimum value attained by the sine function is -1 and the maximum value attained by sine function is 1.

so the function f(x) receives the minimum value when sine function attains the maximum value since the term of sine function is subtracted.

Hence, the minimum value of f(x) is: 11-4=7 ( when sine function is equal to 1)

  • Also we are given a table of values for function h(x) as:

x    y

−2   14

−1   9

 0   6

  1   5

 2   6

 3   9

 4   14

Hence, the minimum value attained by h(x) is 5. ( when x=1)

  • Also we are given function g(x) ; a quadratic function passing through (2,7),(3,6) and (4,7)

so, the equation will be:

g(x)=ax^2+bx+cHence on putting these coordinates we will get:

a=1,b=3 and c=7.

Hence the function g(x) is given as:

g(x)=x^2-6x+15

So,the minimum value attained by g(x) could be seen from the graph is at the point (3,6).

Hence, the minimum value attained by g(x) is 6.

Hence the function which has the smallest minimum is h(x)

6 0
3 years ago
Read 2 more answers
What is -1 1/3 x - 3/8
pychu [463]

Answer:

88

Step-by-step explanation:

Simplify the expression -88/

3(8x-1)

3 0
3 years ago
Please help with the problem in the picture ^ I’ll give brainliest if you give me a small explanation! :)
NNADVOKAT [17]

Answer: B

Step-by-step explanation: if 24 to 16 is 3:2 then because this is directly proportional it would be that x is 6:4

6 0
3 years ago
(9x-4)-(3x+2) I need to know how to solve this
Karolina [17]

(9x-4)-(3x+2)=9x-4-3x-2=6x-6

8 0
3 years ago
The probability of event X is 30%. The probability of event Y is 40%. If events X and Y are mutually exclusive, what is the prob
Soloha48 [4]

The probability of event X or Y is P = 0.7, or, in percentage form, the probability is 70%.

<h3>How the get the probability of event X or Y?</h3>

First, two events are mutually exclusive if these events can't happen at the same time.

This means that if happens X, with a 30% of probability, then Y can't happen.

If happens Y, with a 40% of probability, then X can't happen.

Then the probability of X or Y (the probability that one of these two events happens, not both) is just the addition of the two individual probabilities.

Then we have:

P(X or Y) = 0.3 + 0.4 = 0.7

Or, in percent form, we get:

P(X or Y) = 70%

The probability of event X or Y is just 70%.

If you want to learn more about probability:

brainly.com/question/25870256

#SPJ1

7 0
2 years ago
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