I just started learning this and I don't really know what to pick. I'm confused. Please help me!​

Answer: 26

Step-by-step explanation:

Angles on a straight line add to 180 degrees, so:

[tex]4x+4+4x-32=180\\\\8x-28=180\\\\8x=208\\\\x=26[/tex]

The value of x is 26.

A straight line is an endless one-dimensional figure that has no width

An angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint.

The angles add up to 180 degrees in a straight line.

The two angles are 4x+4 and 4x-32

4x+4+4x-32=180

Add the like terms

8x-28=180

Add 28 on both sides

8x=180+28

8x=208

Divide both sides by 8

x=26

Hence, the value of x is 26.

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Answer:

EF = 27

Step-by-step explanation:

(x + 34)/2 = 2x - 13

x+ 34 = 4x - 26

3x = 60

x = 20

EF = 2(20) -13 = 27

Answer:

11.  EF = 27

Step-by-step explanation:

11.

Median of a trapezoid:

2x - 13 = 20 + x + 14

                    2

2(2x - 13) = 20 + x + 14

4x - 26 = 34 + x

4x - x = 34 + 26

3x = 60

x = 20

EF = 2x - 13

EF = 2(20) - 13

EF = 40 - 13

EF = 27

Answer:

x<24

x<22

x<23

Step-by-step explanation:

X - 4<20

move 4 and add it to 20

x<24

same goes for the other solutions

Answer:

B or D is correct i think it's b most likey

Step-by-step explanation:

223 is the answer its a pattern the pattern is    23 98  98 23 98   the last two digets is what u focus on

9514 1404 393

Answer:

  5 cm

Step-by-step explanation:

The kite is symmetrical about the long axis, so the height of each of the triangles is half the overall width of the kite. (10 cm/2 = 5 cm)

The height of the triangle h is 5 cm.

Answer:

It is 51

Step-by-step explanation:

because you have to add the 80 and 49 them you will get 129 and then subtract 180 by 129 then you will get your answer

Answer:

51°

Step-by-step explanation:

Sum of angles in a triangle is supplementary,

x + 49° + 80° = 180°

x + 129° = 180°

x = ( 180 - 129 )

x = 51°

Answer:

The answer should be 55.3

Step-by-step explanation:

because 6.5 × 8.5 = 55.25. and that rounded is 55.3. :>> hope this helpss!

Answer:

40

Step-by-step explanation:

5-2(3+9)+4

5-2(12)+4

3(12)+4

36+4

40

Answer:

A

Step-by-step explanation:

Because everything else is wrong trust me

Answer:

124

Step-by-step explanation:

6x18 = 108

4x4 = 16

124 cm^2

Answer:

6x-8

Step-by-step explanation:

2*3x=6x

2*-4= -8

6x-8

The Equivalent Expression of 2(3x-4) is 6x- 8.

Mathematical statements are called expressions if they have at least two terms that are related by an operator and contain either numbers, variables, or both. Addition, subtraction, multiplication, and division are all possible mathematical operations.

A mathematical expression is a phrase that has a minimum of two numbers or variables and at least one mathematical operation.

Given:

2(3x-4)

Using the Distributive Property

a x (b+ c)= (a x b)+ ( a x c)

So,  2(3x-4)

=2(3x)- 2(4)

= 6x - 8

Hence, the Equivalent Expression is 6x- 8.

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Answer:

x=60

Step-by-step explanation:

Answer:

x÷6=10

x=10×6

x=60

Step-by-step explanation:

hope it helps you

Answer:

7.1 in

Step-by-step explanation:

Given:

θ = 45°

Radius (r) = 9 in.

Required:

Length of the arc

Solution:

Arc length = θ/360 × 2πr

Plug in the values

Arc length = 45/360 × 2 × π × 9

Arc length = 7.06858347 = 7.1 in (nearest tenth)

Answer:

a=326.76 yd^2

Step-by-step explanation:

a= 2pi(d/2)h+2pi(d/2)^2=2pi(8/2)9+2pi(8/2)^2= 326.72564yd^2

Answer: x^20

Step-by-step explanation:

We can easily solve this question by using a graphing calculator and plotting each of the graphs.

We know that

* ln(x) grows the slowest for a given input of x

* sin(x) is a periodic function with values between [-1,1]

*Exponentials grow faster than the rest of the functions, so

x^20 grows the fastest as x goes to infinity

Step-by-step explanation:

Answer:

2^x

Step-by-step explanation:

Answer:

=4

Step-by-step explanation:

4 is the correct answer

Answer:

43.65 cm squared

Step-by-step explanation:

Answer:

You divide the diameter by 2 to get the radius.

Answer:

Well personally I would use your fomula because its different ways to do this and is taught differnet but the way I was taught was to add up all the sides and multiply

Step-by-step explanation:

add all of them

Answer:

1000 children

Step-by-step explanation:

Find the total units of adults and children = 2 + 3 = 5

5 units = 5000

1 unit = 5000 ÷ 5 = 1000

100% ÷ 5 units = 20% each unit

3 units = 20% x 3 = 60%

Since we all know that 60% of the people are children and 40% of the children are girls...

60 - 40 = 20%

20% = 1000

Answer:

255 m

Step-by-step explanation:

From the given question, the surface of the water body is the reference point. And this point is assumed to be 0, so that any distance above it is positive, and any distance below is negative. This is synonymous to the number line system.

Thus,

For the aircraft, its height = +200 m

For the submarine, its depth = -55 m

So that the difference between the submarine and aircraft can be determined as;

200 - (-55)

= 200 + 55

= 255 m

The distance between the submarine and aircraft is 255 m.

Answer:

[tex]a = \frac{1}{134217728}[/tex]

Step-by-step explanation:

Given

[tex]8^x = a^{-x/9}[/tex]

Required

Find a

Take log of both sides

[tex]log(8^x) = log(a^{-x/9})[/tex]

Apply law of logarithm

[tex]x\ log(8) = (-x/9) log(a)[/tex]

Divide both sides by a

[tex]log(8) = -\frac{1}{9} log(a)[/tex]

Multiply both sides by -9

[tex]-9\ log(8) = log(a)[/tex]

Apply law of logarithm

[tex]log(8^{-9}) = log(a)[/tex]

Cancel out log

[tex]8^{-9} = a[/tex]

Rewrite as:

[tex]a = 8^{-9}[/tex]

Apply law of indices

[tex]a = \frac{1}{8^9}[/tex]

[tex]a = \frac{1}{134217728}[/tex]

Answer:

18 is the correct answer hope it helps

Answer:

1) 0.84 ( a )

2) The sample proportion is not less than 0.65 ( D )

Step-by-step explanation:

1) The value of a is the value of the alternate hypothesis

since he wrongly Identifies a student as a Business major  16% of the time

The value of the alternate hypothesis ( Ha : = 1 - 0.16 = 0.84

                                              while  H0 : = 0.87

2) An appropriate alternative hypothesis

 Ha : μ ≥ 0.65  ( The sample proportion is not less than 0.65 )

The value of a is the value of the alternate hypothesis is 0.84 .

The sample proportion is not less than 0.65.

       The student correctly identify that person as a business major 87% of              

       the time.

       Since he wrongly Identifies a student as a Business major 16% of the      

        time.

      The value of the alternate hypothesis ( Ha : = 1 - 0.16 = 0.84 )

     while  H0 : = 0.87

        The value of a is 0.84.

Statistical hypothesis testing, the alternative hypothesis is a position     that states something is happening, a new theory is preferred instead of an old one. It is usually consistent with the research hypothesis because it is constructed from literature review, previous studies, etc.

       An appropriate alternative hypothesis

       Ha :  μ ≥ 0.65 .

      The sample proportion is not less than 0.65 .

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Answer: The opposite of 0 is 0

Step-by-step explanation: Hope this help :D

Answer:

0

Step-by-step explanation:

because there is no opposite to 0 so it would just be 0

Answer:

28° 62°

Step-by-step explanation:

Hope this helps :)

Answer:

4.13 m

Step-by-step explanation:

using Pythagoras theorem

Step-by-step explanation:

False. the number is the x coordinate

True. the x-axis is horizontal

False. 0,0 is called the origin.

Answer:

a) $39+8x<75$, b) no, c) at most 4 pairs

Step-by-step explanation: