you and your mom enter drawing with three different prices the prizes are awarded at random is a total of 8 people entered the drawing and how many ways can you win first prize and your mom went second prize

You And Your Mom Enter Drawing With Three Different Prices The Prizes Are Awarded At Random Is A Total

Answers

Answer 1

The number of ways in which you can win first prize and your mom went the second prize will be 8. Then the correct option is D.

What are permutation and combination?

A permutation is an act of putting things or elements in the right sequence. Combinations are a method of picking things or pieces from a collection of objects or sets when the sequence of the objects is irrelevant.

You and your mom enter the drawing with three different prices the prizes are awarded at random is a total of 8 people entered the drawing.

Then the number of the ways in which you can win first prize and your mom went the second prize will be

Let x be the number of different ways.

Then we have

[tex]\rm x = \ ^8C_1\\\\x = 8[/tex]

Thus, the number of ways in which you can win first prize and your mom went the second prize will be 8.

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Related Questions

Which statement describes the function y = axn when a = 1 and n is odd?

Answers

Answer:

The graph is symmetric about the origin.

The graph does not pass through the origin.

Step-by-step explanation:

We're given:

the function y=axna = 1n is odd

Because a = 1, then the given function can be rewritten as y = n.

The graph opens down

The function y = n will produce a horizontal line. Any function in the form of y = a single number, such as 4 or 9.3 will produce a horizontal line.

The graph is symmetric about the origin.

This is true, given the graph is a horizontal line.

The graph does not pass through the origin.

This is also true. We're given that n is an odd number. The graph will only pass through the origin if n = 0, and 0 is even.

The graph has more than one x-intercept.

This would only be true when n = 0, and this isn't possible. So, no.

Answer:

B: The graph is symmetric about the origin

Step-by-step explanation:

you typed the question in wrong its ax^n not axn, which makes the answer above incorrect. this should be the right one on edge.

first question please dont just answer for points NOT helpful

Answers

True because there are more females with brown eyes

Which graph represents y as a function of x?

Answers

The answer is Graph G

Evaluate tan45degrees/sin30degrees . In your final answer, include all calculations.

Answers

Answer:

2

Step-by-step explanation:

First find out what tan45 means then what sin30 means so tan45=1 and sin30=0.5, 1/0.5=2

The evaluation tan45°/sin30° is 2.

What is a trigonometric function?

The fundamental 6 functions of trigonometry have a range of numbers as their result and a domain input value that is the angle of a right triangle.

The trigonometric function is only valid for the right angle triangle and it is 6 functions which are given as sin cos tan cosec sec cot.

The trigonometric functions found in the four quadrants, as well as their graphs, domains, and differentiation and integration, will all be understood.

The trigonometric function is very good and useful in real-life problems related to the right-angle triangle.

given that  tan45°/sin30°

Since   tan45° is 1 and sin30°  is 0.5 so

By that 1/0.5 which comes out as 2.

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Please help me with question 20. Thank you.

Answers

Answer:

B=208.72

Step-by-step explanation:

June 22

July: 22+ 22x (1+10%) = 46.2

Auq: 46.2+ 22 (1+10%) x (1+10%)= 72.82

Sep: 72. 82+ 22 (1+10%)³= 102.102

Oct: 102.102 + 22 x(1+10%)⁴= 134.3122

Nov: 134.3122 + 22×(1+10%)⁵= 169.74342

Dec:169.74342 +22(1×10%)⁶ =208.717762

=208.72

The calulation of Compound interest )

Suppose a ramp 2 ft high makes an angle of 4.8° with the ground. Find the length of the ramp.​

Answers

Answer:

23.9 ft (nearest tenth)

Step-by-step explanation:

Use the sine trig ratio to find the length of the ramp.

[tex]\sf \sin(\theta)=\dfrac{O}{H}[/tex]

where:

[tex]\theta[/tex] is the angleO is the side opposite the angleH is the hypotenuse (the side opposite the right angle)

Given:

[tex]\theta[/tex] = 4.8°O = height of ramp = 2 ftH = length of ramp

Substituting the given values into the formula and solving for H:

[tex]\implies \sf \sin(4.8^{\circ})=\dfrac{2}{H}[/tex]

[tex]\implies \sf H=\dfrac{2}{\sin(4.8^{\circ})}[/tex]

[tex]\implies \sf H=23.9\:ft\:(nearest\:tenth)[/tex]

Find the value of x in the parallelogram below. Enter each line of work as an equation.

Answers

Answer:

Here is the solution...hope it helps :)

A textbook store sold a combined total of 363 sociology and biology textbooks in a week. The number of sociology textbooks sold was two times the number of biology textbooks sold. How many textbooks of each type were sold?

Answers

Biology textbooks: 121

Sociology textbooks: 242

what’s the answer to this problem , figure out the area and perimeter of this triangle

Answers

Perimeter is 69
Area is 67.5

Perimeter is S+S+S
Area is Bh=A

help pleas im doing this for a freind bc i need the money to buy food

Answers

Step-by-step explanation:

these are 2 similar triangles.

that means they have the same angles. and all sides have the same scaling factor between the 2 triangles.

so,

10/28 = 5/h

I need help solving this: ³√1,331 ​

Answers

Answer: 11

Step-by-step explanation:

Answer:

443.666

Step-by-step explanation:

because i used a caulculator boiiiiiiii

Please help, thank you!

Answers

Answer:

Correct answer is option D

98. Explain in your own words, how you can tell from its equation whether a parabola opens up, down, left or right.

Answers

Answer:

The same way you tell if a parabola opens up or down, by the leading coefficient of the variable.

Step-by-step explanation:

Since the x-axis is positive to the right, a positive leading coefficient (3) means it opens to the right. eg. And a negative leading coefficient (-2) means it opens to the left.

2x + 3v= 13
4x-V= -2
Solve the simultaneous equations

Answers

Answer:10

Step-by-step explanation:

Can someone please answer this, ill give you brainliest Would be very appreciated.

Answers

Answer:

Given function:

f(t) = (-16t - 2)(t - 1)

Part 1

The zeros of the function are the values of t when f(t) = 0

⇒ f(t) = 0

⇒ (-16t - 2)(t - 1) = 0

⇒ (t - 1) = 0  ⇒  t = 1

⇒ (-16t - 2) = 0  ⇒ t = -2/16 = -1/8

Part 2

The zeroes tell us the time (in seconds) when the ball is at ground level (when its height is zero).

Since time is not negative, only one zero is meaningful:  t = 1

Therefore, the total journey of the ball, from throwing it to it hitting the ground, is 1 second.

Part 3

The height the ball is thrown can be determined by inputting t = 0 into the function:

⇒ f(0) = (-16(0) - 2)(0 - 1)

⇒ f(0) = (0 - 2)(0 - 1)

⇒ f(0) = (-2)(-1)

⇒ f(0) = 2

Therefore, the height from which the beach ball is thrown is 2 ft.

Equation: y = (-16t-2)(t -1)

1) Finding zeros of the function?

To find zero's of the function y = 0

(-16t-2)(t -1) = 0

-16t - 2 = 0, t - 1 = 0

t = 2/-16, t = 1

t = -0.125, 1

2) What do the zero's tell us? Are they meaningful?

Answer: It tells us that the time is 1 seconds when the height of the ball is 0 or at rest.

3) From what height is the ball thrown?

Insert t = 0

y = (-16(0)-2)((0) -1)

y = 2

Ball thrown from 2 feet.

What rule is used to create this sequence

Answers

The answer is subtract 0.75

Solution: 6-0.75=5.25
5.25-0.75=4.5 and so on
Subtract 0.75 eg: 1-0.75=0.25

Find the surface area of the pyramid. Round to the nearest tenth if necessary.

Answers

Answer:

197.4 yd squared

Step-by-step explanation:

7*7 = 49

10.6*7*2 = 148.4

148.4 + 49 = 197.4

Please help I am a student with ADHD and dyscalculia and all I got left to do for the school year is math Help me with this question if you can
Match the following
1. gallon
2.1 kiloliter
3.1 pint
4.1 liter
5.1 cup
6. 1 quart

A.4 quarts
B.1,000 liters
C. 8 ounces
D.2 cups
E.1,000 milliliters
D.2 pints

Answers

Answer:

1. A. 1 gallon = 4 quarts

2. B. 1 kiloliter = 1,000 liters (hint for remembering is that kilo- means thousand)

3. D. 1 pint = 2 cups

4. E. 1 liter = 1,000 milliliters

5. C. 1 cup = 8 oz

6. D. 1 quart = 2 pints

Step-by-step explanation:

Best of luck with the school year, you can do it!

Is is package c a function

Answers

what do you mean package c explain more

A rectangular prism is made up of cubes. The prism is 8
cubes wide, 4 cubes deep, and 5 cubes tall. Describe the
front, side, and top views of the prism.

Answers

Answer:

All of the views will be rectangles. The front view will be a rectangle 8 squares wide and 5 squares tall. The side view will be a rectangle 4 squares wide and 5 squares tall. The top view will be a rectangle 8 squares wide and 4 squares tall.

Step-by-step explanation:

Consider the following vector function. R(t) = 9 2 t, e9t, e−9t (a) find the unit tangent and unit normal vectors t(t) and n(t)

Answers

The unit tangent vector is T(u) and the unit normal vector is N(t) if the  vector function. R(t) is equal to 9 2 t, e9t, e−9t.

What is vector?

It is defined as the quantity that has magnitude as well as direction also the vector always follows the sum triangle law.

We have vectored function:

[tex]\rm R(t) = (9\sqrt{2t}, e^{9t}, e^{-9t})[/tex]

Find its derivative:

[tex]\rm R'(t) = (9\sqrt{2}, 9e^{9t}, -9e^{-9t})[/tex]

Now its magnitude:

[tex]\rm |R'(t) |= \sqrt{(9\sqrt{2})^2+ (9e^{9t})^2+ (-9e^{-9t})^2}[/tex]

After simplifying:

[tex]\rm R'(t) = 9 \dfrac{e^{18t}+1}{e^{9t}}[/tex]

Now the unit tangent is:

[tex]\rm T(u) = \dfrac{R'(t)}{|R'(t)|}[/tex]

After dividing and simplifying, we get:

[tex]\rm T(u) = \dfrac{1}{e^{18t}+1} (\sqrt{2}e^{9t}, e^{18t}, -1)[/tex]

Now, finding the derivative of T(u), we get:

[tex]\rm T'(u) = \dfrac{1}{(e^{18t}+1)^2} (9\sqrt{2}e^{9t}(1-e^{18t}), 18e^{18t}, 18e^{18t})[/tex]

Now finding its magnitude:

[tex]\rm |T'(u) |= \dfrac{1}{(e^{18t}+1)^2} (9\sqrt{2}e^{9t}(1-e^{18t})^2+ (18e^{18t})^2+( 18e^{18t})^2)[/tex]

After simplifying, we get:

[tex]\rm |T'(u)|= \dfrac{9\sqrt{2}e^{9t}}{e^{18t}+1}[/tex]

Now for the normal vector:

Divide T'(u) and |T'(u)|

We get:

[tex]\rm N(t) = \dfrac{1}{e^{18t}+1} ( 1-e^{18t}, \sqrt{2}e^{9t}, \sqrt{2}e^{9t})[/tex]

Thus, the unit tangent vector is T(u) and the unit normal vector is N(t) if the  vector function. R(t) is equal to 9 2 t, e9t, e−9t.

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Help me pls!



Raj, Devi and Miko have managed their savings well. The sum of Raj and Devi's savings is $1181. Raj and Miko's savings sum up to $1797. The ratio of Devi to Miko's savings is 3 : 11. How much has Raj saved?

Answers

Answer:

it is easy it is 3833

Step-by-step explanation:

The money saved by Raj from the given conditions is $950.

Given that, Raj, Devi and Miko have managed their savings well.

What is the ratio?

The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.

The ratio of Devi to Miko's savings is 3:11.

So, Devi's saving is 3x and Devi to Miko's savings is 11x.

The sum of Raj and Devi's savings is $1181. Raj and Miko's savings sum up to $1797.

Let y be the Raj's saving.

Now, y+3x=1181 --------(I) and y+11x=1797 --------(II)

From equation (I), y=1181-3x

Substitute y=1181-3x, in equation (II), we get

1181-3x+11x=1797

⇒ 8x=1797-1181

⇒ 8x=616

⇒ x=616/8

⇒ x=77

So, y=1181-3x=1181-231

=$950

Hence, the money saved by Raj from the given conditions is $950.

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You work at Dave's Donut Shop. The company has decided to redesign the box it uses to hold one dozen donuts. There are 12 donuts in one dozen. Each donut has a diameter of 3 inches and a height of 1.5 inches. The donuts in the original box stood on their side. You have been asked to design a new box that will allow the donuts to lie flat as shown. What is the circumference, in inches, of a donut?​

Answers

9.42 in. is the circumstance

The company has decided to redesign the box it uses to hold one dozen donuts, the circumference of a donut is 3π inches or approximately 9.42 inches (rounded to two decimal places).

What is circumference?

The circumference is the distance around the edge of a circle or any circular object. It is calculated using the formula:

C = 2πr

To find the circumference of a donut, we need to first find the diameter. The diameter of each donut is 3 inches, so the radius is 1.5 inches. The circumference can then be found using the formula:

C = 2πr

where C is the circumference and π is approximately 3.14.

Substituting the radius, we get:

C = 2π(1.5) = 3π

Therefore, the circumference of a donut is 3π inches or approximately 9.42 inches (rounded to two decimal places).

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increase 260 kg by 10% and then decease the result by 10%
Could i get a formula please
Thanks!

Answers

Answer:

follow me:)

First we have to increase it by 10%

110 multiplied by 260 divided by 100 becomes 286

Then a 10% reduction that becomes 90% 286 that becomes

286 multiplied by 90 divided by 100

257.4

Find the total surface area of this cone, leaving your answer in terms of π

Answers

The total surface area of the cone with the given radius and slant height in terms of pi is 70πcm².

What is a cone?

A cone is simply a 3-dimensional geometric shape with a flat base and a curved surface pointed towards the top.

The total surface area of a cone is given by its curved surface area plus area of its base.

Total surface area = curved surface area + area of base

Total surface area = πrl + πr²

Given that;

Radius r = 5cmSlant height l = 9cmTotal surface area TSA = ?

Total surface area = πrl + πr²

Total surface area = ( π ×  5cm × 9cm ) + ( π × (5cm)² )

Total surface area = 45πcm² + 25πcm²

Total surface area = 70πcm²

Therefore, the total surface area of the cone with the given radius and slant height in terms of pi is 70πcm².

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Answer:

70

Step-by-step explanation:

I need a full explanation for this problem. I don’t know how to do it

Answers

Answer:

3861 cm³

Step-by-step explanation:

Consider this solid as combination of two prisms, one with recrangular base and another with trapezoid base.

Find the area of bases

Rectangle

A = lw = 8*17 = 136 cm²

Trapezoid

A = (1/2)(17 + 6)(22 - 8) =(1/2)(23)(14) = 161 cm²

Find the total base area

B = 136 + 161 = 297 cm²

Find the volume

V = BhV = 297*13 = 3861 cm³

PLESSE HELP IM BEGGING

Answers

angle for F is 24. EF is probably 17.97 and DF is 19.67?

Answer:

the measure of F is 24

Step-by-step explanation:

1. 180-90=90-66=24

Y = 3x-2 estimate the value of x when y=3

Answers

Answer:

x = 5/3

General Formulas and Concepts:
Algebra I

Equality Properties

Multiplication Property of EqualityDivision Property of EqualityAddition Property of EqualitySubtraction Property of Equality

Step-by-step explanation:

Step 1: Define

Identify given.

y = 3x - 2

y = 3

Step 2: Solve for x

[Equation] Substitute in y:
3 = 3x - 2[Addition Property of Equality] Add 2 on both sides:
5 = 3x[Division Property of Equality] Divide 3 on both sides:
5/3 = xRewrite:
x = 5/3

∴ the value of x when y = 3 is equal to 5/3, or approximately 1.67.

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Topic: Algebra I

A unit circle has a central angle with a measure of
7π/6
radians. To the nearest hundredth, what is the length of the arc on the circle determined by the angle?

Answers

Answer:

Step-by-step explanation:

The length of the arc on the unit circle is 3.67 units

How to determine the length of the arc?

The angle measure is given as:

x = 7π/6

The radius of a unit circle is:

r = 1

The length of the arc is calculated using:

L =rx

So, we have:

L = 1 * 7π/6

Evaluate

L = 3.67

Hence, the length of the arc on the unit circle is 3.67 units

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HELP MEE :)) PLEASEEE <3

Answers

Volume of the cylinder:

[tex]v = \pi {r}^{2} h[/tex]

[tex]v = 3.14 \times {2}^{2} \times 3[/tex]

[tex]v = 37.68 \: {cm}^{3} [/tex]

Volume of the rectangular prism:

[tex]v = lwh[/tex]

[tex]v = 6 \times 5 \times 7[/tex]

[tex]v = 210 \: {cm}^{3} [/tex]

Total volume:

[tex]v = 37.68 + 210[/tex]

[tex]v = 247.68 \: {cm}^{3} [/tex]

cylinder:

pi r^2 h

=3.14*2^2*3

=37.68 cm^3

prism:

whl

=6*5*7

=210 cm^3

all together:

=247.68 cm^3

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