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wolverine [178]
3 years ago
8

Simplify and then evaluate the equation when x= 3. -5(x – 5) + 2x = [?]

Mathematics
2 answers:
saveliy_v [14]3 years ago
4 0

Answer:

16

Step-by-step explanation:

-5(3 - 5) + 2(3) =

-5(-2) + 2(3)

10 + 6 =

16

nadya68 [22]3 years ago
3 0

Answer:

-3x+25

16

Step-by-step explanation:

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Answer:

32/3 or 10.6 repeating

Step-by-step explanation:

multiply by reciprocal

6*(16/9)

96/9

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When p is false and q is true, then p or q is________ true.
ale4655 [162]
The answer is to this question is option B
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Can someone help me? Brainliest + Points!
iris [78.8K]

Answer:

D. \frac{2}{5}

Step-by-step explanation:

Since we know that the odds of an events can be found by dividing the probability that an event will occur by the probability that the event will not occur.

\text{Odds of an event}=\frac{\text{Probability that event will occur}}{\text{Probability that event will not occur}}

Probability of an event not occurring can be found by subtracting probability of the event occurring from 1.

\text{Odds of an event}=\frac{\text{Probability that event will occur}}{1-\text{Probability that event will occur} }  

We have been given that probability of an event is 2/7.  

Upon substituting our given values in above formula we will get,

\text{Odds of the given event}=\frac{\frac{2}{7}}{1-\frac{2}{7}} }

\text{Odds of the given event}=\frac{\frac{2}{7}}{\frac{7-2}{7}} }

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3 years ago
determine the maximum or minimum of the quadratic function. express your answer in the form (x,y) and using decimals rounded to
kolezko [41]

We are given the following quadratic equation

f(x)=2x^2+7x-10

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The x-coordinate of the vertex is given by

h=-\frac{b}{2a}

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a = 2

b = 7

c = -10

h=-\frac{b}{2a}=-\frac{7}{2(2)}=-\frac{7}{4}=-1.75

The y-coordinate of the vertex is given by

\begin{gathered} f(x)=2x^2+7x-10 \\ f(-1.75)=2(-1.75)^2+7(-1.75)-10 \\ f(-1.75)=2(3.0625)^{}-12.25-10 \\ f(-1.75)=6.125^{}-12.25-10 \\ f\mleft(-1.75\mright)=-16.13 \end{gathered}

This means that we have a minimum point.

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shusha [124]
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