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matrenka [14]
3 years ago
12

Which completely describes the polygon?

Mathematics
1 answer:
barxatty [35]3 years ago
3 0
A rhombus because the four sides of a rhombus are always congruent and opposite angles are always congruent.
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Nicolas has $6,500 to deposit into an account which earns 3.25% interest compounded annually. How interest will he have earned a
Rasek [7]

Answer:

The interest earned at the end of 8 years is $1895.25

Step-by-step explanation:

Applying the compound interest formula we have A = P(1+r)^t

A, final amount =?

P initial principal balance= $6,500

r, interest rate =3.25%

t, number of time periods =8 years

Substituting our given data we

A= 6500(1+3.25/100)^8

A=6500(1+0.0325)^8

A=6500(1.0325)^8

A=6500*1.2915775353

A=8395.25

Interest = final amount - principal

Interest =8395.25-6500

Interest = $1895.25

8 0
3 years ago
Which statement proves that quadrilateral HIJK is a kite? HI ⊥ IJ, and m∠H = m∠J. IH = IJ = 3 and JK = HK = StartRoot 29 EndRoot
olchik [2.2K]

The statement proves that quadrilateral HIJK is a kite is  IH = IJ = 3 and JK = HK = \sqrt{29} and IH ≠ JK and IJ ≠ HK.

Given

On a coordinate plane, kite H I J K with diagonals is shown.

Point H is at (negative 3, 1), the point I is at (negative 3, 4), point J is at (0, 4), and point K is at (2, negative 1).

<h3>What is the kite?</h3>

A quadrilateral is called a kite with two pairs of equal adjacent sides but unequal opposite sides.

Firstly calculating the length of the sides of the kite using the following formula;

\rm Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

For a kite quadrilateral,  HIJK will be a kite, if it's siding IJ = IH

From the graph length of I H = 4 - 1 = 3 units

Length of IJ = 0 - (-3) = 3 units

Therefore, IJ = IH = 3 units

Sides HK should be equal to JK

Length of HK is;

\rm HK =\sqrt{(1-(-1))^2+(2-(-3))^2} \\\\HK=\sqrt{(1+1)^2+(2+3)^2} \\\\HK=\sqrt{(2)^2+(5)^2\\} \\\\ HK =\sqrt{4+25} \\\\HK= \sqrt{29}

Hence, the statement proves that quadrilateral HIJK is a kite is  IH = IJ = 3 and JK = HK = \sqrt{29} and IH ≠ JK and IJ ≠ HK.

To know more about quadrilateral click the link given below.

brainly.com/question/1751208

3 0
3 years ago
Read 2 more answers
Solve for y:-<br><br> y + 17 = 21<br><br> Thanks!
S_A_V [24]
To solve for y we have to use the INVERSE OPERATION of addition which is subtraction Lets do it:-

y + 17 = 21
y = ?
21 - 17 = y
21 - 17 = 4
y = 4

CHECK OUR WORK:-

y + 17 = 21
y = 4
4 + 17 = ?
4 +17 = 21
We were RIGHT!!!!

So, y = 4.

Hope i helped ya!! xD
5 0
3 years ago
Read 2 more answers
Classify each of the power functions based on their end behavior (increasing or decreasing) as x = ∞
Svetlanka [38]

Answer: right side behavior:

              f(x) is Decreasing

             g(x) is Increasing

             h(x) is Increasing

             j(x) is Decreasing

<u>Step-by-step explanation:</u>

The rules for end behavior are based on 2 criteria: Sign of leading coefficient and Degree of polynomial

<u>Sign of leading coefficient</u> (term with greatest exponent):

  • If sign is positive, then right side is increasing
  • If sign is negative, then right side is decreasing

<u>Degree of polynomial</u> (greatest exponent of polynomial:

  • If even, then end behavior is the same from the left and right
  • If odd, then end behavior is opposite from the left and right

f(x) = -2x²

  • Sign is negative so right side is decreasing
  • Degree is even so left side is the same as the right side (decreasing)

as x → +∞, f(x) → +∞  Decreasing

as x → -∞, f(x) → -∞   Decreasing

g(x) = (x + 2)³

  • Sign is positive so right side is increasing
  • Degree is odd so left side is opposite of the right side (decreasing)

as x → +∞, f(x) → +∞  Increasing

as x → -∞, f(x) → -∞   Decreasing

h(x)=-1+x^{\frac{1}{2}}\implies h(x)=x^{\frac{1}{2}}-1  

  • Sign is positive so right side is increasing
  • Degree is an even <u>fraction</u> so left side is opposite of the right side as it approaches the y-intercept (-1)

as x → +∞, f(x) → +∞  Increasing

as x → -∞, f(x) → -1    Decreasing to -1

j(x)=\dfrac{1}{2}(-x)^5\implies j(x)=\dfrac{1}{2}(-1)^5(x)^5\implies j(x)=-\dfrac{1}{2}x^5

  • Sign is negative so right side is decreasing
  • Degree is odd so left side is opposite of the right side (increasing)

as x → +∞, f(x) → +∞  Decreasing

as x → -∞, f(x) → -∞   Increasing

6 0
4 years ago
The sale price of the sword was $20. It had been marked down 23% for the sale. What was the original
Viefleur [7K]

Answer:

$24.60

Step-by-step explanation:

8 0
3 years ago
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