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dybincka [34]
3 years ago
14

Which of the following is the solution set of x^2+8x+12=0

Mathematics
1 answer:
Anettt [7]3 years ago
8 0

Answer:

x = -2 , x = -6

Step-by-step explanation:

x^2 + 8x + 12 = 0

Factors

(x + 6)(x + 2) = 0

x + 6 = 0; x = -6

x + 2 = 0; x = -2

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What is the answer for 4.23 is less than 4.135?
Dvinal [7]

is 4.23 less than 4.135

its not its larger

8 0
3 years ago
Question 12 (1 point) Given P(A) 0.34, P(A and B) 0.27, P(A or B) 0.44, what is P(B)? Answer in decimal form. Round to 2 decimal
Tema [17]

Answer:  The required probability of event B is P(B) = 0.37.

Step-by-step explanation:  For two events A and B, we are given the following probabilities :

P(A) = 0.34,    P(A ∩ B) = 0.27   and   P(A ∪ B) = 0.44.

We are to find the probability of event B, P(B) = ?

From the laws of probability, we have

P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\\Rightarrow 0.44=0.34+P(B)-0.27\\\\\Rightarrow 0.44=0.07+P(B)\\\\\Rightarrow P(B)=0.44-0.07\\\\\Rightarrow P(B)=0.37.

Thus, the required probability of event B is P(B) = 0.37.

6 0
3 years ago
What is the opposite of the number 14​
lidiya [134]

Answer:

The opposite of 14 is -14.

Step-by-step explanation:

Opposites are numbers with the same distance from 0 but one is to the right of 0 and the other is to the left of 0.

The opposite of 0 is itself,0.

So the opposite of 5 is -5 since both 5 and -5 have the same distance from 0 and one is to the left and one is to the right of 0.

The opposite of 14 is -14 since both have the same distance from 0 and one is to the right and one is to the left of 0.

You can also think of this question as what can I add to 14 that will give me 0.

The answer is -14 since -14+14=0.

Another word for opposites is additive inverses.  When you add additive inverses you get 0.

Another example: What is the opposite of -16?  

The answer is 16 since 16+(-16)=0.

3 0
3 years ago
Read 2 more answers
The length of a field in yards is a function f(n) of the length n in feet. Write a function rule for th
lara [203]

Answer:

f(n) =  \frac{n}{3}

Step-by-step explanation:

Recall that:

3ft = 1 \: yd

This implies that:

6ft = 2yds

9ft = 3yds

In general:

n \: ft =  \frac{n}{3}  \:  \: yds

We can therefore write the function rule:

f(n) =  \frac{n}{3}

3 0
3 years ago
PLS HELP ME!!!!! Find the sum of the first 100 terms of the arithmetic sequence with the first term 2 and the common difference
ipn [44]

Answer:

24,950.

Step-by-step explanation:

You can use the arithmetic series formula (a sequence is the list of numbers; a series is the summation of the list).

To find the sum...

(100 / 2) (2 * 2 + (100 - 1)5) = 50 * (4 + 99 * 5) = 50 * (4 + 495) = 50 * 499 = 24950.

Hope this helps!

3 0
3 years ago
Read 2 more answers
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