A trapezoid has sides of length 19 meters, 4.4 meters, 19 meters, and 17.2 meters. What is the perimeter?

Answers

Answer 1

Answer: 19+19+4.4+17.2=59.6 is the perimeter

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X^2 - 8x - 9 over x^2 - 1
Solve the following inequality. |3n-2|-2<1
I kinda need help with this i’ve already done all the other questions but this one and i really want these 600 points :( <3
There are 8 sixth-grade classes and 195 sixth grade students at Edison Middleschool. The equation 8s = 195 can be used to determine s, the mean number of students per class. Based on the solution s = 24.375, which of the following statements could be true?A. There are 5 sixth-grade classes with 24 students each and 3 sixth-grade classes with 25 students each.B. There are 7 sixth-grade classes with 24 students each and 1 sixth grade class with 25students.C. There are 8 sixth-grade classes with 25 students each.D. There are 8 sixth-grade classes with 24 students each

Can you please show how you got the answer

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Technically there are a ton of answers.
Try 3,000*10^1
Or 300*10^2
Possibly 30*10^3
Even 3*10^4

Please i need help with this problem just the bottom not the stop thank you :)

Answers

You have to multiply all the sides of the shapes for example if the shape has three numbers such as 10 for the length 20 for the width and 6 for height multiply all of the numbers

Two column proof: If a kite is inscribed in a circle, then one of the diagonals of a kite is a diameter of the circle.

Detailed explanation please, I want to be able to understand this thoroughly.

Diagram is attached, thanks in advance!

Answers

Answer:

Given : BRDG is a kite that is inscribed in a circle,

With BR = RD and BG = DG

To prove : RG is a diameter

Proof:

Since, RG is the major diagonal of the kite BRDG,

By the property of kite,

∠ RBG = ∠ RDG

Also, BRDG is a cyclic quadrilateral,

Therefore, By the property of cyclic quadrilateral,

∠ RBG + ∠ RDG = 180°

⇒ ∠ RBG + ∠ RBG = 180°

⇒ 2∠ RBG = 180°

⇒ ∠ RBG = 90°

⇒ ∠ RDG = 90°

Since, Angle subtended by a diameter or semicircle on any point of circle is right angle.

⇒ RG is the diameter of the circle.

Hence, proved.

Consider a game in which a player rolls a number cube to determine the number of points earned. If a player rolls a number greater than or equal to 4, the number of the roll is added to the total points. Any other roll is deducted from the player’s total. What is the expected value of the points earned on a single roll in this game?

Answers

$E_(roll)= \sum_(i=1)^(n) (x_i)(p_i)$
$E_(roll)= ((-1)((1)/(6)))+((-2)((1)/(6)))+((-3)((1)/(6)))+((4)((1)/(6)))+((5)((1)/(6)))+((6)((1)/(6)))$
$E_(roll)= ((-1)/(6))+((-1)/(3))+((-1)/(2))+((2)/(3))+((5)/(6))+(1)((6)((1)/(6)))$
$E_(roll)= (3)/(2)$

Tim can mow 4 lawns in 6 hours. How many lawns can be mow in 15 hours?

Answers

its 4 lawns per 6 hours so to make it easier divide both sides by 2, then 2 lawns per 3 hours. So if he lawn 15 hours then 15/3(2) is 5(2) then he can mow 10 hours per 15 hours

Divide.
(10a^4-5a^3) / 5a

Answers

$\boxed{(10a^4-5a^3)/( 5a)=(10a^4)/(5a)-(5a^3)/(5a)=2a^3-a^2}$

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Adult tickets to a basketball game cost $5 and student tickets are $1. A total of $2,874 was collected when selling 1,246 tickets. How many of each type of ticket were sole

13. Calcule:A) a medida do ângulo interno de um triângulo equilátero B) a soma das medidas dos ângulos internos de um polígono de 13 lados.C) a medida do ângulo interno de um octógono regular.D) a medida dos ângulos externos de um decágono regular.E) a soma das medidas dos ângulos externos de um polígono regular de 12 lados.Como posso calcular estas questões?

Estimate the product by rounding 2×6,254

What is 100 divided by 6