Which expression gives the same result as ∑4i=0(5)(1/3)i

Answers

Answer 1

Answer: I'm assuming which expression gives the same result as ∑^4
The choices are:
i=0^(5)
(1/3)^i

The second option is correct since the first option is erroneous or makes little sense. The second option and the ∑^4 are geometric progressions which will account for each other when substituted together or one into another.

Answer 2

Answer:

Answer: The real answer

Step-by-step explanation:

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janelle practices basketball every afternoon in driveway.Each day,her goal is to make 4 more baskets than she made the day before. if she makes 10 baskets the first day and meets her goal for 2 weeks,howmany baskets will janelle make on the 14th day?

Answers

In the given question, there are several information's worth noting. Based on these given information's the actual answer to the question can be found. She makes 10 baskets on the first day and then increases the number of baskets by 4 on every consecutive days. So the thing that needs to be found is the number of baskets he makes on the 14th day. This is an arithmetic progression problem.
Now if we consider the 14th day as the Nth term, then we can write the equation as
A(N) = 4(N - 1) + 10
A(14) = 4(14 - 1) + 10
A(14) = (4 * 13) + 10
= 52 + 10
= 62
So Janelle will make 62 baskets on the 14th day.

Evaluate the expression: -14 - 9n + 4 + 3n, when n = 7

Answers

Answer:

I wish I knew

Step-by-step explanation:

a+b=c

Answer:

I am not sure but I think it's -52.

Step-by-step explanation:

-14-9(7)+4+3(7)

You multiply first, so it would give you: -14-63+4+21.

Then you combine similar terms: -77+25.

Final answer: -52

If i is raised to an even power, then it can not simplify to be

Answers: -1, 1, i

Answers

Answer:

OPtion C (i)

Step-by-step explanation:

Given that i is raised to even power.

We have in complex number one part as imaginary number

Imaginary number is denoted by i, which is square root of -1.

In real numbers we can have perfect squares as only positive

Hence square root of -1 is only imaginary

When i is raised to even powers we get

$i^2=-1\ni^4=1\ni^6=-1\ni^8=1$

and so on.

i.e. this answer can not be imaginary but alternating between -1 and 1. Hence cannot simplify to i

the correct answer is

C) i

What is 9x^2-24x+ 16

Answers

9X^2-24X+16=(3X-4)(3X-4)=(3X-4)^2

Answer:

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A car moves at speed v across a bridge made in the shape of a circular arc of radius r. (a) Find an expression for the normal force n acting on the car when it is at the top of the arc. (Use any variable or symbol stated above along with the following as necessary: m and g.) n

Answers

Answer:

$n=m(g-(v^(2))/(r))$

Step-by-step explanation:

If a car is moving across a circular bridge, made in the shape of a circular arc then the force that balances the car when it is on the top of arc will be

n + F = mg

Where n = normal force acting on the car

F = centripetal force

m = mass of the car

We know centripetal force $F=(mv^(2))/(r)$

where m = mass of the car

v = velocity of the car on the top of the arc

r = radius of the arc

Therefore, the expression for the normal force 'n' will be

$n+(mv^(2))/(r)=mg$

$n=mg-(mv^(2))/(r)$

$n=m(g-(v^(2))/(r))$

Fraction: least to greatest...

2/3, 9/16, 0.52

Answers

First of all, you have to change the numbers in to the same form so I am going to change it to percentage.
2/3 = 0.66
9/16 = 0.56 So= 0.52, 9/16, 2/3
0.52

0.52, 9/16, 2/3 because if you turn the numbers to decimals you will get 9/16 as 0.5625, and 2/3 as 0.666 so it's 0.52, 9/16, 2/3.

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