Please help 25 points

Answer:

da one in the middle and i do relize this is a test becuse i just took it.

Step-by-step explanation:

Answer:

Solution given:

arc AB :angle=[tex]\frac{\pi }{3}[/tex]=60

radius[r]=1

Now

we have

Circumference the circle is the length of arc AB ⌢:[tex]\frac{arc AB }{360}2\pi*r[/tex]

:

[tex] \frac{180}{3} \div 360 \times 2\pi \: \times 1[/tex]

=⅓π or 1.047units

Note:

For angle π=180

For length π=[tex]\frac{22 }{7}[/tex].

L

π/3=60°

Answer:

Step-by-step explanation:

In cm 2= 60000

Answer:

62.3 units²

Step-by-step explanation:

We would apply the formula for area of a triangle given an included angle, which is A = ½*ab*sin C

Where,

a = 11

b = 14

C = 54°

Substitute

Area = ½*11*14*sin 54

Area = 62.2943085 ≈ 62.3 units² (nearest tenth)

Answer:

it has 3/4

Step-by-step explanation:

Answer:

Radius: 12 units

Diameter: 16.8 units

Radius: 3.4 units

Diameter: 10 units

Answer:

Radius 12-->452.16

Diameter 16.8-->221.5584

Radius 3.4-->36.2984

Diameter 10-->78.5

Step-by-step explanation:

Answer:

As temp. increases, sales increse

Step-by-step explanation:

Answer: 39%

Step-by-step explanation:

Answer:

I mean its a 50% chance.

Step-by-step explanation:

Because you don't know if its heads or tails. But if its in that order then I think its tails.

Answer:

This is correct. Thank you!!

Step-by-step explanation:

Answer:

she is right and I added few pages that are hard to read here

Step-by-step explanation:

bye good luck :)

Answer:

[tex]\displaystyle d = 5[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Algebra II

Step-by-step explanation:

Step 1: Define

Point (-1, -3)

Point (2, 1)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Answer:

the answer is -35

Step-by-step explanation:

9x-7 =-63, 7x4=28. -63+28=-35

Answer:

sin 60 = √3/2

means perpendicular (p)= √3

and

base (h)=2

find base(b)

using pythagoras theorem

h²=p²+b²

than base (b) will be 1

now

cos 60 =b/h

=1/2

Answer:

cos 60° = 1/2

SohCahToa

sin 60° = opposite / hypotenuse

sin 60° = √3 / 2

The bottom side = √3, the hypotenuse = 2

To find the right side's value, you use Pythagorean's Theorem

cos 60° = adjacent/hypotenuse

cos 60° = 1 / 2

gawd daym that's a lot of students  

Answer:

A: There are 30 students in the class.

B: The average age of the class is 31.5.

C: The range goes from age 28 to age 36.

D: The modal age is 30.

Step-by-step explanation:

A: 8+10+5+7 = 30.

B: 8 + 30 + 32 + 36 = 126

    126/4 = 31.5

C: Lowest age is 28 and highest is 36, making that the range for students' ages.

D: The most frequently appearing age in the study is 30, which makes 30 the modal age.

Answer:

2.7

Step-by-step explanation:

yes i'm correct

A circus juggler on the highwire gives a bowling pin a final toss into the air with an initial velocity of 9 meters per second from a height of 11 meters. The time taken by the object to hit the ground is 2.7 seconds.

A quadratic equation is the second-order degree algebraic expression in a variable.

The standard form of this expression is  ax² + bx + c = 0 where a. b are coefficients and x is the variable and c is a constant.

It is given that,

Initial velocity of an object, u = 9 m/s

Height, h = 11 m

The equation that models the height of the object in meters after t seconds is :

[tex]h(t)= -4.9t^2+9t+11[/tex]

We have to find the time it take for the bowling pin to hit the ground

i.e.   [tex]-4.9t^2+9t+11=0[/tex]

On solving the above quadratic equation, we get the value of time t is :

t = 2.7 seconds

Hence, The time it takes to hit the ground would be 2.7 seconds.

Learn more about quadratic equations here:

https://brainly.com/question/3358603

#SPJ2

Answer:

pretty sure its 123

Step-by-step explanation:

Answer:

x = 16 units

Step-by-step explanation:

∆ABC is a 45-45-90 triangle, and ∆BCD is a 30-60-90 triangle.

If side opposite of 90° [∆] = x, side opposite of 45° [∆] = x / √2 = x √ 2 / 2.

Given side AC is opposite of 90° [∆ABC] = 32 √ 2, side opposite of 45° [∆ABC] = 32 √ 2 / √ 2 = 32 which is AB or BC.

Since side BC is part of BCD.

Side opposite of 90° [∆BCD] = BC = 32.

Since x is opposite of 30° [∆BCD].

x = Side opposite of 90° [∆BCD] / 2 = 32 / 2 = 16.

Answer:

0.4 is equivalent to 40%

Step-by-step explanation:

the ones that are equivalent are 40% and 0.4, since 40% converted into a decimal is 0.4. 4% isn't equivalent to any of the options because it would be 0.04 as a decimal.

Answer:

FALSE

Step-by-step explanation:

SINCE CONGRUENT TRIANGLES ARE SAS OR SSS OR ASA SO TESE TRIANGLES ARE ISOCLES TRIANGLES DUE TO THE MEASUREMENTS

Answer:

79

Step-by-step explanation:

Answer:

79

Step-by-step explanation:

Answer:

The answer is A, 1/729

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Answer:

The formula to find the perimeter of the quadrilateral = sum of the length of all the four sides.

Step-by-step explanation:

Here the lengths of all the four sides are 5 cm, 7 cm, 9 cm and 11 cm. 2. The perimeter of the quadrilateral is 50 cm and the lengths of three sides are 9 cm, 13 cm and 17 cm

Answer:

26.6 m

Step-by-step explanation:

The formula for the volume of an hemisphere is given as:

The volume of a hemisphere = (2/3)πr³ cubic units.

Volume = 4960m³

Hence,

4960 = 2/3πr³

4960 = 2 × πr³/3

Cross Multiply

4960 × 3 = 2πr³

Divide both sides by 2π

4960 × 3/2π = 2 πr³/2π

r³ = 2368.2255532

We would cube root both sides.

cube root(r³) = cube root(2368.2255532)

r = 13.329310588 m

Approximately = 13.3m

The formula for diameter = 2 × r

Diameter of the hemisphere = 2 × 13.33m

= 26.6 m

Answer:

26.7 is the right answer.

Step-by-step explanation:

Answer:

x = 58.5 m

Step-by-step explanation:

Let us use sine law to find the length of the yellow cable. Note that a cable of length 64 m is directly opposite the 112° angle and the 58° angle is directly opposite the unknown cable length. We can the set up our sine law as follows:

[tex] \frac{x}{ \sin(58) } = \frac{64 \: m}{ \sin(112) } [/tex]

Solving for x,

[tex]x = \frac{ \sin(58) }{ \sin(112) } \times (64 \: m) = 58.5 \: m[/tex]

[tex]\huge\longmapsto\mathfrak{Answer}[/tex]

=》

[tex] \sec {}^{2} (x) - tan(x) - 3[/tex]

=》

[tex] \tan {}^{2} (x) + 1 - \tan(x) - 3[/tex]

=》

[tex] \tan {}^{2} (x) - \tan(x) - 2[/tex]

=》

[tex] \tan {}^{2} (x) - 2\tan(x) + \tan(x) - 2[/tex]

=》

[tex] \tan(x) ( \tan(x) - 2) + 1( \tan(x) - 2) [/tex]

=》

[tex]( \tan(x) + 1)( \tan(x) - 2)[/tex]

so,

case - 1

=》

[tex] \tan(x) = - 1[/tex]

case - 2

[tex] \tan(x) = 2[/tex]