Mathematics High School

solve this asap

Given that <ABD= 42°, <EFD= 81° and <BCF= 60°, find the value of the unknown.

solve by using corresponding, alternate and interior angles method.

Answers

Answer 1

Step-by-step explanation:

angle G = 81°

angle CFG = 60°

total angle inside CFG = 180

a+81+60=180

a=39°

In DBCF

Total angle is 360

60+39+138+b=360

b=134°

hope its right :)

Related Questions

Find the arc length and sectors perimeter of an 85 degree arc of a circle with a finger radius of 4ft

Answers

Answer:

Arc length = 5.93 ft

Perimeter = 13.93 ft

Step-by-step explanation:

85/360*2*π*4 = arc length

5.93411946 ft

Perimeter = 4+4+5.93 = 13.93 ft

helpppppopppppoppppppp

Answers

answer : A
write as improper fraction,
5/4 / 39/8
5/4 x 8/39 = 40/156
40/156 = 10/39

I did an assignment wit this question and I’m almost positive it’s a :))

PLEASE HELP! WILL GET BRAINLEST

Answers

Answer:

See below ~

Step-by-step explanation:

Question 12

Numbers greater than 3 : 5Total numbers : 8P (number > 3) = 5/8Multiply with 4005/8 x 4005 x 50250 times

Question 17

Part A

Possible outcomes = {HT, HH, TH, TT}

Part B

P (heads at least once) = Outcomes with at least one "H" / TotalP (heads at least once) = 3/4

Solve for x in -
6(3x-5)-7x=25

Answers

Step-by-step explanation:

6 ( 3x - 5 ) - 7x = 25..

18x - 30 - 7x = 25

18x - 7x = 25 + 30

11x = 55

x = 55 / 11

x = 5

[tex]...[/tex]

x=5

Step-by-step explanation:

6(3x-5)-7x=25

18x-30-7x=25

11x-30=25

x=5

322 children came to the summer carnival. if each child was given 3 free ride passes for attending, how many free ride passes were given away?

Answers

Answer: 996 free ride passes were given away

Step-by-step explanation:

If each child was given 3 free ride passes, then you have to do 332 x 3 which is 996

Is kilobyte bigger than megabyte.

Answers

Answer:

Step-by-step explanation:

1 kilobyte = 1000 byte

1 megabyte = 1,000,000 byte

1 kilobyte = 1/1000 megabyte

Answer: no

Answer:

NO!!!! Kilobyte isn't BIGGER than Megabyte

Step-by-step explanation:

Here's the table:

1 Kilobyte = 1,024 Bytes

1 Megabyte = 1,024 Kilobytes

1 Gigabyte = 1,024 Megabytes

1 Terabyte = 1,024 Gigabytes

From the table, we can see that Megabyte is bigger than Kilobyte

Which number sentence is not true?
A. | -1 | > 1/2
B. | -1 | = -1
C. | 1/2 | < | -1 |
D. | -1/2 | < | -1 |

Answers

Answer:

Option B

Step-by-step explanation:

|-1| [tex]\neq[/tex] -1

|-1| = 1

Answer:b

Step-by-step explanation: bc it’s right

For which inequality would x = 12 be a solution?

12 - x ≥ 4
x + 4 ≤ 12
12 x < 200
12 ÷ x > 12

Answers

Answer:

12x < 200

Step-by-step explanation:

12 - x ≥ 4

-x ≥ -8

x ≤ 8

12 is not a solution to this one.

x + 4 ≤ 12

x ≤ 8.

12 is not a solution to this one.

12 x < 200

x < 200/12

x < 16 2/3

12 is a solution.

What’s 5 square root 7n

Answers

Answer:

If you are asking what 5[tex]\sqrt{7n}[/tex] is without the radical, it equals to 175n.

Step-by-step explanation:

You square the whole equation first.

5^2 = 25 and [tex]\sqrt{7n}[/tex]^2 =7n

Then you multiply it together.

25 * 7n

175n

Is 23/√3 a rational number? Again is 23 over root 3 a rational or irrational number.

Answers

Answer: irrational number

Step-by-step explanation:

Let us write it out.

[tex]\displaystyle \frac{23}{\sqrt{3} }[/tex]

Next, we will define ratoinal and irrational.

A rational number is a number that can be written as a whole number, fraction, or decimal that ends / repeats.

An irrational number is any number that cannot be turned into a fraction.

Let us see which category the number given falls into.

[tex]\displaystyle \frac{23}{\sqrt{3} } = 13.27905619\;\;\;\;\;\;\text {it goes on...}[/tex]

This means [tex]\frac{23}{\sqrt{3} }[/tex] is an irrational number.

what is the measure of angle 7 ?

Answers

Answer:

97°

Step-by-step explanation:

Please see attached

Can the sides of a triangle have lengths 2, 13, and 14?

Answers

Answer:

Yes

Step-by-step explanation:

The larger side is smaller than the other sides combined

(2 + 13) > 14

Hope this helps

You have a biased coin, where the probability of flipping a heads is 70%. You flip once, and the coin comes up tails. What is the expected number of flips from that point (so counting that as flip #0) until the number of heads flipped in total equals the number of tails?

Answers

The expected number of flips from that point until the number of heads flipped in total equals the number of tails is 2

How to determine the number of flips?

The given parameters are:

P(Head) = 70%

The expected number of flipping a head is:

E(x) = 70% * x

The expected number of flipping a tail is:

E(x) = (1 - 70%) * x + 1

Where 1 represents the first flip

When both values are equal, we have:

70% * x = (1 - 70%) * x + 1

Evaluate

0.7x = 0.3x + 1

Evaluate the like terms

0.4x = 1

Divide both sides by 0.4

x = 2.5

Remove the decimal

x = 2

Hence, the expected number of flips from that point until the number of heads flipped in total equals the number of tails is 2

Answers

Step-by-step explanation:

You use the Distance Formula

d= √( x2 - x1 )^2 + ( y2 - y1 )^2

substitute

r= √(3-3)^2 + (4-1)^2

√0^2 + 3^2

r = √9

r = 3

Now you can use the equation for finding the circumference

2πr

2π3

≈ 6π or 18.85

Kindly help me solve this questions

a) 3/X+2-2=1/1/2
b) 3(4-7x)/5-0.7=x-6/2

Answers

Answer:

a) x=6

b) x= 498/463

hope this helps!!

i need help with v-math

Answers

Answer:

Y=p/9

Step-by-step explanation:

Can u see p = 9y?

But there is no option of p = 9y

So try to work a bit on the formula to y = p/9

Two players, A and B, are playing an asymmetrical game. There are n points on the game board. Each turn player A targets a pair of points and player B says whether those two points are connected or unconnected. A can target each pair only once and the game ends when all pairs have been targeted. Player B wins iff a point is connected with all other points on the very last turn, while player A wins if any point is connected with all other points on any turn but the very last one OR if no point is connected to all other points after the last turn. For what values of n does either player have a winning strategy?

Answers

The values of n does either player have a winning strategy is; Player B has a winning strategy for all n ≥ 2.

How to predict winning probability?

Let us use an example to solve this question. The game is played on the complete graph Kₙ (n ≥ 2), which consists of n vertices, each pair of vertices joined by an edge.

Now, Initially all edges are unpainted. At each turn, A chooses an edge, which B paints blue or red. Now, B will win if, after the last edge is painted, there is a vertex which is joined to all other vertices by blue edges. If that doesn't happen, then A wins.

The winning strategy of B is described by 3 rules which are;

Rule 1; Paint the last edge blue.Rule 2. Never paint an edge red if that would result in two red vertices being joined by an unpainted edge.Rule 3. Use red paint whenever permitted by Rules 1 and 2.

Thus, if n >2, the first edge will always be painted red, the second will always be painted blue.

In conclusion, when we apply that same scenario to our question it is the same result and as such Player B has a winning strategy for all n ≥ 2.

Read more about probability at; https://brainly.com/question/24756209

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please please please help me this is for my brother.

Answers

Answer:

below

Step-by-step explanation:

it was the first thing I saw

What percentage of the large circle does the small circle take up?

Please please help

Answers

Answer:

25 percent.

Step-by-step explanation:

To begin we want to find the area of the small circle. That would be pi(r)^2 or 9pi after plugging in the 3 for the radius. We can only assume that the large circle is double the radius of the smaller circle so it would be 6. Plug 6 in and get 36pi for the area of that circle. 9pi/36pi will equal 0.25 and that will be your percentage. I hope this helped.

My original answer was 18, 1.92, -1, -5.5 but it is wrong on the form so what did i do wrong?

Answers

1.92-1-5.5 is equal to -4.08 not 18 you don’t add the negatives you still subtract them just as if it was 2-1 it’s the same concept just looks different

The invers of 10/4 is

Answers

Answer:

4/10

Step-by-step explanation:

Which values of x and y would make the following expression represent a real number? (4 5i)(x yi) x = 4, y = 5 x = –4, y = 0 x = 4, y = –5 x = 0, y = 5

Answers

The product will be a real number when x = 4 and y = -5.

Which values of x and y should we use?

We have the product of complex numbers:

[tex](4 + 5i)*(x + yi)[/tex]

We want this to be a real number, then the second complex number must be the complex conjugate of the first one, so we must have:

[tex](x + yi) = (4 - 5i)[/tex]

Now, if we take the product, we get:

[tex](4 + 5i)*(4 - 5i)\\\\4*4 - 4*5i + 4*5i - (5*5)*i^2 = 16 + 25 = 41[/tex]

So we can see that the outcome is a real number.

Then we must have x = 4 and y = -5.

If you want to learn more about complex numbers:

https://brainly.com/question/10662770

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Answer: C

Step-by-step explanation:

How many participants will make 45 handshakes in total

Answers

N - number of participants
n(n-1)/2=45
n^2-n-90=0
(n-10)(n+9)=0
n(1)= 10

Your answer would be 10 participants

A, B and C lie on a straight line.
Given that angle y = 144° and angle z =
92°, work out x.
A
x
Z
The diagram is not drawn accurately.
B
C

Answers

180-144= 36°
180-36-92= 52°
z is 52°

help me please this is due tomorrow

Answers

well I can say all but a and g are nets according to that explenation

(Look at image) Need help for question 6. Tried looking into it but still failed. I couldn’t understand what the question was asking me so I need some help asap by tomorrow.

Also do not mind the other answers. Those were already answered by epic people (thanks again)

Answers

Answer:

For 4 its 6 due to having 0 INCHES for 6 days (The answer to number 6 which is what your looking for is 1 12/8 simplify that and It'd be 2 1/2)

Step-by-step explanation:

This is because adding up the total rain falls will get you to 2 1/2

Drag numbers to the table so it shows a proportional relationship between x and y.

PLEASE HELP

Answers

Answer:

4 box: 9

5 box:4.5

6 box: 27

Step-by-step explanation:

Do 3/.5= 6 so multiply the numbers by 6

1.5•6=9

4.5•6=27

Hope this helps! ;-)

Factorise X squared add 4X

Answers

Answer:

[tex]\huge\boxed{\sf x(x + 4)}[/tex]

Step-by-step explanation:

Given expression:

x² + 4x

Take x common

x(x + 4)

[tex]\rule[225]{225}{2}[/tex]

Mrs. Clements has a table with a top that is shaped like the trapezoid shown. Find the area of the table top in square feet? hurry plss

Answers

It is to be noted that the area of the Trapezoid is: 28 Feet. See the details of the solution below.

What is the formula for the area of a Trapezoid?

The formula for the area of a regular Trapezoid is:

A = h * ((a+b)/2);

Where

A = Area

a = Short Base

b = Long Base

h = Height

So what is the solution for the above trapezoid?

Following the above formula,

A = 4 * ((5+9)/2)

A = 4 * (14/2)

A = 4 * 7

A = 28 Feet.

Learn more about Trapezoids at:
https://brainly.com/question/1410008
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help with practice problem

Answers

Answer:

-5<x<-3

Step-by-step explanation:

Hope this helps! ;-)

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solve this asapGiven that <ABD= 42°, <EFD= 81° and <BCF= 60°, find the value of the unknown.solve by using corresponding, alternate and interior angles method.​

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solve this asap

Given that <ABD= 42°, <EFD= 81° and <BCF= 60°, find the value of the unknown.

solve by using corresponding, alternate and interior angles method.