# GFZ=38, ZFE= 2x+125, GFE= x+163. Find x.

QUESTION POSTED AT 26/03/2020 - 01:06 PM

QUESTION POSTED AT 26/03/2020 - 01:06 PM

X = 17 because 180 - 163 = 17

**Answer:**

The probability is 0.152

**Step-by-step explanation:**

We know that in this town 39% of all voters are Democrats. Therefore, the probability of a randomly selected voter being a Democrat is

The experiment of randomly select voters for a survey is called a Bernoulli experiment (under some suppositions). We suppose that exist independence in this randomly selection of voters. We also suppose that there are only two possibilities for the voter : It is Democrat or not.

Now the variable X : ''The randomly selected voter for a survey is Democrat'' is a Binomial random variable.

X ~ Bi (n,p)

The probability function for the BInomial random variable X is :

Where ''n'' is the number of Bernoulli experiments (In this case n = 2 because we randomly selected two voters)

P(X=x) is the probability of the variable X to assumes the value x

(nCx) is the combinatorial number define as

p = 0.39 in this exercise.

We are looking for P(X=2) ⇒

If we round to the nearest thousandth the probability is 0.152

ANSWERED AT 01/04/2020 - 01:48 PM

QUESTION POSTED AT 01/04/2020 - 01:48 PM

V = pi*(r^2)*h

V = pi*(7^2)*5

V = pi*(49)*5

V = 245pi ft^2

V = 796.7 ft^2

V = pi*(7^2)*5

V = pi*(49)*5

V = 245pi ft^2

V = 796.7 ft^2

ANSWERED AT 01/04/2020 - 01:47 PM

QUESTION POSTED AT 01/04/2020 - 01:47 PM

Answer. 42.41

Cylinder Equation: SA= 2× 3.14×r^2+2×3.14×r×h

Diameter of circle divided by 2 to get the radius =1.5

R= Radius

H=Height

Cylinder Equation: SA= 2× 3.14×r^2+2×3.14×r×h

Diameter of circle divided by 2 to get the radius =1.5

R= Radius

H=Height

ANSWERED AT 01/04/2020 - 01:46 PM

QUESTION POSTED AT 01/04/2020 - 01:46 PM

The rancher can conclude that his sheep are not proportionately spread out across the 40 acre pasture.

ANSWERED AT 01/04/2020 - 01:40 PM

QUESTION POSTED AT 01/04/2020 - 01:40 PM

The area of the triangle is 156ft.

ANSWERED AT 01/04/2020 - 01:39 PM

QUESTION POSTED AT 01/04/2020 - 01:39 PM

X = multiplication

h = height

r^2 = radius squared

Formula of a cylinder: Pi x r^2 x height

So, if 176 = 3.14... times 4^2 times h

Then, 176 = 3.14 times 16h

Next, 176 = 50.24h

Finally, 3.5 = h

You can then check your work by plugging 3.5 back in for the missing height and round to the nearest tenth. :) The answer should come out the same if done correctly.

h = height

r^2 = radius squared

Formula of a cylinder: Pi x r^2 x height

So, if 176 = 3.14... times 4^2 times h

Then, 176 = 3.14 times 16h

Next, 176 = 50.24h

Finally, 3.5 = h

You can then check your work by plugging 3.5 back in for the missing height and round to the nearest tenth. :) The answer should come out the same if done correctly.

ANSWERED AT 01/04/2020 - 01:39 PM

QUESTION POSTED AT 01/04/2020 - 01:39 PM

Well u know the area is 35 in^2 and the length is 7in. Let x = width

7x = 35

x = 35/7

Perimeter = 7(2) + 2(35/7) --> 14 + 70/7 --> 14 + 10 = 24

7x = 35

x = 35/7

Perimeter = 7(2) + 2(35/7) --> 14 + 70/7 --> 14 + 10 = 24

ANSWERED AT 01/04/2020 - 01:38 PM

QUESTION POSTED AT 01/04/2020 - 01:38 PM

Your answer would be 6/10 which reduces to 3/5.

ANSWERED AT 01/04/2020 - 01:38 PM

QUESTION POSTED AT 01/04/2020 - 01:38 PM

V=Bh

π r^2h

3.14(4)^2(15)

V= 753.6 ft^3

π r^2h

3.14(4)^2(15)

V= 753.6 ft^3

ANSWERED AT 01/04/2020 - 01:37 PM

QUESTION POSTED AT 01/04/2020 - 01:37 PM

The graph has two x-intercepts because 4x2 + 28x + 49 has two different factors.FALSEThe equation 2x + 7 = 0 can be used to find a zero of the functionTRUE.The equation (2x – 7)2 = 0 can be used to find the y-intercept.FALSEThe graph has a double root at x = .TRUEThe graph intersects the y-axis at y = 49. TRUE

ANSWERED AT 01/04/2020 - 01:30 PM

QUESTION POSTED AT 01/04/2020 - 01:30 PM

Lol i learned that today sorry i didn't get it either

ANSWERED AT 01/04/2020 - 01:30 PM

QUESTION POSTED AT 01/04/2020 - 01:30 PM

$72 since the discount was $20 off, so the original price would be $52 + $20, which is $72.

ANSWERED AT 01/04/2020 - 01:28 PM

QUESTION POSTED AT 01/04/2020 - 01:28 PM

Hello:

the equation is : y = ax+b

the slope is a : a×(1/2) = -1......( perpendicular to a line with a slope of 1/2) because : -2x+4y =8...y=(1/2)x+2 )

a = -2 y=(-2x+b

the line that passes through (2,1) :1 = -2(2)+b

b =5

the equation is : y = -2x+5

ANSWERED AT 01/04/2020 - 01:25 PM

QUESTION POSTED AT 01/04/2020 - 01:25 PM

Y=17400(1+0.025)^8 is your equation and with that you get $21200.21

ANSWERED AT 01/04/2020 - 01:24 PM

QUESTION POSTED AT 01/04/2020 - 01:24 PM

I'll walk you through the first one, and then you should be able to do the rest.

The first step is to right out your numbers from least to greatest

Problem #1: 2,4,5,6,8,10,13,17,19,20

To find the MEDIAN, you're simply crossing out a number from each end until you meet in the middle. In this case, you have an even number of data, which means once you get to the middle, you're have to find the average.

In this problem, your two middle numbers are 8 & 10. Since only one number can be the median, you add them together, and divide by 2:

8+10=18 18/2=**9** < this is your middle, or **MEDIAN **

Next, your first and third quartiles--** ** they're the median of the lower half and data, and upper half.

For the lower quartile, find the mean of 2,4,5,6, and 8. again, cross out one from each side until you get to the middle.**FIRST QUARTILE = 5**

Do the same process for the upper half of data (10,13,17,19 & 20).

**THIRD QUARTILE = 17**

The **MIN** is the lowest number of data = **2**

The **MAX **is the highest number of data = **20**

Best of luck!

The first step is to right out your numbers from least to greatest

Problem #1: 2,4,5,6,8,10,13,17,19,20

To find the MEDIAN, you're simply crossing out a number from each end until you meet in the middle. In this case, you have an even number of data, which means once you get to the middle, you're have to find the average.

In this problem, your two middle numbers are 8 & 10. Since only one number can be the median, you add them together, and divide by 2:

8+10=18 18/2=

For the lower quartile, find the mean of 2,4,5,6, and 8. again, cross out one from each side until you get to the middle.

ANSWERED AT 01/04/2020 - 01:21 PM

QUESTION POSTED AT 01/04/2020 - 01:21 PM

Rounded the answer would be $705.77. The real calculation is 705.76575

ANSWERED AT 01/04/2020 - 01:21 PM

QUESTION POSTED AT 01/04/2020 - 01:21 PM

It's a lot to take in, isn't it ? I started off by confirming the formula a=lb

a=lb

65= (x×2)-3×x

l=(x×2)-3

b=x

a=65

Now I tried plugging in random values. Eventually I came up with this ;

65= (6.5×2)-3×6.5

65= 13-3×6.5

65 = 10×6.5

65=65

Length = 10feet

Width = 6.5feet

a=lb

65= (x×2)-3×x

l=(x×2)-3

b=x

a=65

Now I tried plugging in random values. Eventually I came up with this ;

65= (6.5×2)-3×6.5

65= 13-3×6.5

65 = 10×6.5

65=65

Length = 10feet

Width = 6.5feet

ANSWERED AT 01/04/2020 - 01:19 PM

QUESTION POSTED AT 01/04/2020 - 01:19 PM

2/10 = 1/5 and 4/16 = 1/4

ANSWERED AT 01/04/2020 - 01:16 PM

QUESTION POSTED AT 01/04/2020 - 01:16 PM

I would show ypu the answer but i dont know how to show you on graph paper

ANSWERED AT 01/04/2020 - 01:11 PM

QUESTION POSTED AT 01/04/2020 - 01:11 PM

2*4 =8 +18*4=72...............................................................................

ANSWERED AT 31/03/2020 - 10:47 AM

QUESTION POSTED AT 31/03/2020 - 10:47 AM

Draw graph of f(x) = x^2-1

change scale on x-axis by 3/2

( 1 -> 3/2 , 2-> 3, 3->9/2, ... )

change scale on x-axis by 3/2

( 1 -> 3/2 , 2-> 3, 3->9/2, ... )

ANSWERED AT 31/03/2020 - 10:46 AM

QUESTION POSTED AT 31/03/2020 - 10:46 AM

V=πr^2(h/3)

V≈804.25

Since the height is 12, and radius is 8, take the radius and square it. 8 squared equals 64. Now, take the height (12) and divide that by three. This equals 4.

So Volume = Pi times 64 times 4. The answer should be 804.247. Once rounded, you should get 804.25

V≈804.25

Since the height is 12, and radius is 8, take the radius and square it. 8 squared equals 64. Now, take the height (12) and divide that by three. This equals 4.

So Volume = Pi times 64 times 4. The answer should be 804.247. Once rounded, you should get 804.25

ANSWERED AT 31/03/2020 - 10:46 AM

QUESTION POSTED AT 31/03/2020 - 10:46 AM

A₁ = 1 = 4⁰

a₂ = 4 =4¹

a₃ =4 x 4=4²

a₄ =4 x 4² =4³

...................

...................

a(n) = 4⁽ⁿ⁻¹⁾

a₂ = 4 =4¹

a₃ =4 x 4=4²

a₄ =4 x 4² =4³

...................

...................

a(n) = 4⁽ⁿ⁻¹⁾

ANSWERED AT 31/03/2020 - 10:44 AM

QUESTION POSTED AT 31/03/2020 - 10:44 AM

1 is -3 4 is -24 8 is -384 I think that's right

ANSWERED AT 31/03/2020 - 10:42 AM

QUESTION POSTED AT 31/03/2020 - 10:42 AM

The base of the pyramid is a square. Area of a square

A= l x w

A= l x w

ANSWERED AT 31/03/2020 - 10:40 AM

QUESTION POSTED AT 31/03/2020 - 10:40 AM

Get the area of the circle. Use this formula:

Area = * radius^2

We know the radius is 4 yards.

Area = 3.14 * 4^2

Area = 3.14 * 16

Area = 50.24

Now for the square. Double the radius to get the diameter to get the length of the side.

4 * 2 = 8

Formula for finding the area of a square is

Area = side^2

Area = 8^2

Area = 64

And because we only want to shaded portion, we will subtract the area of the circle from the square.

64 - 50.24 = 13.76

So, D) 13.76 square yards is the answer to this question.

Area = * radius^2

We know the radius is 4 yards.

Area = 3.14 * 4^2

Area = 3.14 * 16

Area = 50.24

Now for the square. Double the radius to get the diameter to get the length of the side.

4 * 2 = 8

Formula for finding the area of a square is

Area = side^2

Area = 8^2

Area = 64

And because we only want to shaded portion, we will subtract the area of the circle from the square.

64 - 50.24 = 13.76

So, D) 13.76 square yards is the answer to this question.

ANSWERED AT 31/03/2020 - 10:38 AM

QUESTION POSTED AT 31/03/2020 - 10:38 AM

8

4 2

2 2. The spaces mean multiply symbols

4 2

2 2. The spaces mean multiply symbols

ANSWERED AT 31/03/2020 - 10:37 AM

QUESTION POSTED AT 31/03/2020 - 10:37 AM

Hol up this seems rly hard Ima get back to uu

ANSWERED AT 30/03/2020 - 01:37 AM

QUESTION POSTED AT 30/03/2020 - 01:37 AM

(1) To find the angle between v and positive x-axis, we first determine the angle formed by v and the negative x-axis. Since v = (-7,8), its vertical measure y is 8 units and horizontal measure x is 7 units.

arctan(8/7) = 48.81°

Solving for angle between v and positive x-axis:

180° - 48.81° = 131.19°

(2) v1 x v2=|v1||v2|cosθ

Calculating for the dot product of the vector:

v1 x v2 = -7*1 + 8*0 = -7

Calculating vector magnitude:

|v1| = √(-7²+8²) = √113

|v2| = √(1²+0²) =1

cosθ = (v1 x v2) /|v1||v2| = -7/(√113 *1) = -0.659

arctan(8/7) = 48.81°

Solving for angle between v and positive x-axis:

180° - 48.81° = 131.19°

(2) v1 x v2=|v1||v2|cosθ

Calculating for the dot product of the vector:

v1 x v2 = -7*1 + 8*0 = -7

Calculating vector magnitude:

|v1| = √(-7²+8²) = √113

|v2| = √(1²+0²) =1

cosθ = (v1 x v2) /|v1||v2| = -7/(√113 *1) = -0.659

ANSWERED AT 30/03/2020 - 01:28 AM

QUESTION POSTED AT 30/03/2020 - 01:28 AM

A=60

B=30

C=60

D=120

E=60

F=60

B=30

C=60

D=120

E=60

F=60

ANSWERED AT 29/03/2020 - 06:35 PM

QUESTION POSTED AT 29/03/2020 - 06:35 PM