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alukav5142 [94]
3 years ago
7

Write down the 2nd term in the sequence given by : T(n)=n2-2n

Mathematics
1 answer:
Nataly [62]3 years ago
5 0

Answer:

0.

Step-by-step explanation:

n^2 - 2n.

The first term is when n = 1 so it is 1^2 - 2*1

= -1.

The second term is 2^2 - 2*2

= 0.

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which property can you use to solve the following expression?5(6+9) A) distributive B) associative C) commutative
Vilka [71]

Answer: A

Step-by-step explanation:

When you use the distributive property, you are multiplying every term in the parentheses by the number outside of it. You are typically multiplying so that is how you will get the simplified form of your equation.

4 0
3 years ago
Use function notation to represent the area of a circle whose circumference is 136cm
Nimfa-mama [501]

Answer:

A(\frac{68}{\pi})=\frac{4624}{\pi}

Step-by-step explanation:

The given circle has circumference 136cm.

The formula for circumference is C=2\pi r

This implies that:

136=2\pi r

\frac{136}{2\pi}=r

\frac{68}{\pi}=r

The area of a circle is given as A(r)=\pi r^2

When r=\frac{68}{\pi}

A(\frac{68}{\pi})=\pi*(\frac{68}{\pi})^2

A(\frac{68}{\pi})=\pi*\frac{(68)^2}{\pi^2}

A(\frac{68}{\pi})=\frac{4624}{\pi}

7 0
3 years ago
Which number sentence is represented by this model?
Makovka662 [10]

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3 0
2 years ago
Evaluate the following absolute value expressions. 5|2-8|
andriy [413]
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4 0
3 years ago
Let E be the event that a corn crop has an infestation of ear worms, and let B be the event that a corn crop has an infestation
KatRina [158]

Answer:

The probability that a corn crop has either an ear worm infestation, a corn borer infestation

P(EUB) = 0.27

Step-by-step explanation:

<u>Explanation</u>:-

<u>Addition theorem on probability</u>:-

If S is a sample space, and E , F are any events in S then

P(EUF) = P(E) +P(F) -P(E n F)

Let 'E' be the event that a corn crop has an infestation of ear worms

let 'B' be the event that a corn crop has an infestation of corn bores

P(EUB) = P(E) +P(B) -P(E n B)

given P(E) = 0.24 and P(B) = 0.16 and P(E n B) =0.13

P(EUB) = P(E) +P(B) -P(E n B)

P(EUB) = 0.24 + 0.16 - 0.13

           = 0.27

The probability that a corn crop has either an ear worm infestation, a corn borer infestation

P(EUB)=0.27

7 0
4 years ago
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