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White raven [17]
4 years ago
8

Evaluate the Expression B^2-4 ac given by that a = -2 ,, b= -2 and c =2​

Mathematics
1 answer:
Lapatulllka [165]4 years ago
4 0

F* you B*!!!!!! Your so S*! That's the easiest thing in the world!!

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Rewrite f(n) =2(n-1)+2 as a recursive rule
s2008m [1.1K]

The recursive formula of any sequence gives us two piece of information

1. The first term

2. The pattern or rule that lets you find the given term using the term that comes before it

Here we have

f(n)= 2(n-1)+2

The arithmetic sequence is given by

a+d(n-1)

a is the first term

d is called the common difference or the number that is added to the previous number every time

Here we have a=2, and d=2

Hence the recursive rule is given by

\left \{ {{a(1)=2} \atop {a(n) = a(n-1)+2}} \right.

This is the recursive rule for the given function

5 0
3 years ago
Read 2 more answers
William invested $5000 in an account that earns 3.5% interest, compounded
zvonat [6]

Answer:

Option B. $5737.62

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=4\ years\\ P=\$5,000\\ r=0.035\\n=1  

substitute

A=\$5,000(1+\frac{0.035}{1})^{1*4}  

A=\$5,000(1.035)^{4}  

A=\$5,737.62  

5 0
3 years ago
A trail is 2940 miles long. it begins in city a and ends in city
d1i1m1o1n [39]
In this question, the trail is 2940 miles long and Manfred is already hiking the 3/7 of the trail. You are asked how many miles he has a hike. Then to find it you just need to multiply the trail length with the ratio of hike/total trail. The calculation would be:

2940 miles * 3/7 = 1260 miles
5 0
4 years ago
Type the correct answer in the box. round your answer to the nearest tenth. events m and n are independent events. in this scena
Nastasia [14]

The probability helps us to know the chances of an event occurring. The probability of event n occurring is 0.3.

<h3>What is Probability?</h3>

The probability helps us to know the chances of an event occurring.

\rm{Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}

We know that for two independent events the probability of the two events occurring simultaneously is written as,

P(A \cap B) = P(A)\cdot P(B)

Now, as we know the probability of event m occurring also we know the probability of both events occurring simultaneously, therefore, the probability of event n occurring can be written as,

P(A \cap B) = P(A)\cdot P(B)\\\\P(m \cap n) = P(m)\cdot P(n)\\\\0.138 = 0.46 \times P(n)\\\\P(n) = 0.3

Hence, the probability of event n occurring is 0.3.

Learn more about Probability:

brainly.com/question/795909

5 0
2 years ago
What are the slope and the y-intercept of the linear function that is represented by the graph?
riadik2000 [5.3K]
The y-intercept is -2 and the slope is 2/3
6 0
3 years ago
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