All categories

3 years ago

I need this please its due in a hour

Mathematics

1 answer:

Mekhanik [1.2K]3 years ago

6 0

1. both pairs of opposite sides are congruent.

2 consecutive angles of a parallelogram are supplementary.

3. I don't remember what this one would be

4.the diagonals of a parallelogram bisect each other.

5. opposite sides of a parallelogram are not only parallel but also congruent.

6.opposite angles of a parallelogram are congruent.

I'm so sorry I didn't see this sooner

Step-by-step explanation:

You might be interested in

There are approximately 2.5 million deaths per year in country A. Express this quantity as deaths per minute.

MrRa [10]

2,500,000/365 = 6849 per day.
6849/24 = 285 per hour.
285/60 = 4.75 which is rounded to 5.
So 5 per minute

Hope this helps!

7 0

3 years ago

The failure of a circuit board interrupts work that utilizes a computing system until a new board is delivered. The delivery tim

Hatshy [7]

Answer:

The expected cost is 152

Step-by-step explanation:

Recall that since Y is uniformly distributed over the interval [1,5] we have the following probability density function for Y

$f_Y(y ) = \frac{1}{5-1} = \frac{1}{4}$ if $1\leq y \leq 5$ and 0 othewise. (To check this is the pdf, check the definition of an uniform random variable)

Recall that, by definition

$E(Y^k) = \int_{-\infty}^{\infty} y^kf_Y(y)dy$

Also, we are given that $C = 50+3Y+9Y^2$ . Recall the following properties of the expected value. If X,Y are random variables, then

$E(a+bX+cY) = a+bE(X)+cE(Y)$

Then, using this property we have that $E[C] = 50+3E[Y]+ 9E[Y^2]$ .

Thus, we must calculate E[Y] and E[Y^2].

Using the definition, we get that

$E[Y] = \int_{1}^{5}\frac{y}{4} dy =\frac{1}{4}\left\frac{y^2}{2}\right|_{1}^{5} = \frac{25}{8}-\frac{1}{8} = 3$

$E[Y^2] = \int_{1}^{5}\frac{y^2}{4} dy =\frac{1}{4}\left\frac{y^3}{3}\right|_{1}^{5} = \frac{125}{12}-\frac{1}{12} = \frac{31}{3}$

Then

$E(C) = 50 + 3\cdot 3 + 9 \cdot \frac{31}{3} = 152$

5 0

3 years ago

Find the area of the image below

Usimov [2.4K]

41 because if you separate the parts the square and the triangle then you would have a square that is 16 sq in diameter and a triangle that is 25sq in diameter

4 0

3 years ago

Read 2 more answers

Solve the system of equations. y = 6x - 27 y = 4x - 17 a. (-5. 3) b. (-3,-5)

Nadya [2.5K]

Answer: (5,3) y= 6(5)-27 = 3 y=4(5)-17= 3

7 0

3 years ago

Solve for x and y 7x - 3y =23 2x - 4y = -8

dybincka [34]

$Q. 7x - 3y =23$