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3 years ago

(HELP ASAP)

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

4 0

Answer:

Whatever you think Hot shot, We don't have the article!!

Step-by-step explanation:

Dear ???,

Re-read and find out your ASAP answer yourself,

Thank you,

????

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Y= -1 <br> -2x-y=3<br> Solve by substitution

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Read 2 more answers

20 PTS! Please Help!!!! Will Give Brainliest!! This is a Khan Academy Problem!!!

klemol [59]

Using it's concept, the approximate perimeter of pentagon ABCDE is given as follows:

34.4 units.

<h3>What is the perimeter of a figure?</h3>

The perimeter of a figure is given by the sum of the lengths of it's outside dimensions.

In this problem, the vertices are in a coordinate-plane, hence the distances are found using the formula for the distance between two points.

<h3>What is the distance between two points?</h3>

Suppose that we have two points, $(x_1,y_1)$ and $(x_2,y_2)$ . The distance between them is given by:

$D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

The length of segment AB is:

$AB = \sqrt{(6 - 0)^2+(0 - 7)^2} = 9.2$

The length of segment BC is:

$BC = \sqrt{(6 - 3)^2+(0 + 4)^2} = 5$

The length of segment CD is:

$CD = \sqrt{(-3 -3)^2+(-4 + 4)^2} = 6$

The length of segment DE is:

$DE = \sqrt{(-6 + 3)^2+(0 + 4)^2} = 5$

The length of segment EA is:

$EA = \sqrt{(-6 +0)^2+(0 - 7)^2} = 9.2$

Hence the perimeter is:

P = AB + BC + CD + DE + EA = 9.2 + 5 + 6 + 5 + 9.2 = 34.4 units.

More can be learned about the perimeter of a figure at brainly.com/question/18610622

#SPJ1

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2 years ago

Alex invests his money in an account paying 2% interest compounded semiannually. What is the effective annual yield on this acco

Travka [436]

Answer: 2.01%.

Step-by-step explanation:

Suppose Alex invests $1 into the account for one year. The formula is A=P0⋅(1+rk)N⋅k with P0=$1. We know that r=0.02 and k=2 compounding periods per year. Now, N=1 year. Substituting the values we have A=$1⋅(1+0.022)2=$1.0201. Now, to calculate the effective annual yield, we will use the formula rEFF=A−P0P0. rEFF=1.0201−11=0.0201 or 2.01%. When rounded to two decimals, rEFF=2.01%. However, do not include the % in your answer.

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3 years ago