A bag contains 30 lottery balls numbered 1-30. A ball is selected, replaced, then another is drawn. Find each probability.
1. p(even, then odd)
2. p(7 and then a number greater than 16)
3. p(a multiple of 5 and then a prime number)
4. p(two even numbers)​

Answers

Answer 1

Answer:

17÷3 ok so it was just a compliment sometime soon


Related Questions

What do you get when you cross an electric eel and a sponge puzzle time riddle

Answers

Answer:

A shock absorber?

Step-by-step explanation:

What is the angle measurement of CBD?
A
U
68°
D
B
20°
229
Ο Ο Ο Ο
29ο
1
25°
24

Answers

The angle measurement is 68 which is a right?

The scatter graph shows the scores of 16 students on the biology and physics tests

Answers

Step-by-step explanation:

85 l don't see questions properly so l knew this much only l don't know exact answer so l write this answer

I’m bad at math is there anyone good at this if so please help

Answers

Answer:

Right triangle

Step-by-step explanation:

[tex] {5}^{2} + {(5 \sqrt{3} )}^{2} = 25 + 75 = 100 \\ \\ {10}^{2} = 100 \\ \\ \implies \: {5}^{2} + {(5 \sqrt{3} )}^{2} = {10}^{2} \\ [/tex]

So, by converse of Pythagoras theorem given side lengths form a right triangle

Answer:

Right

Step-by-step explanation:

The side lengths are 5, 5√3, and 10. This tells me this is a 30° 60° 90° triangle. In a 30° 60° 90° triangle, the relationship between the side lengths are a, a√3, and 2a. a represents the side length of the first leg of the triangle. a√3 represents the second side length, which is the first leg's side length multiplied by √3. Finally, 2a represents the hypotenuse which is two times bigger than the first leg's side length.

What is the x-coordinate of the point shown in the graph?
y
8
4
-2
2 2
4
B
-8-6-4-2
-2
4

Answers

Answer:

-5, -7 or its -7, -5

Step-by-step explanation:

Answer:

-7 -5

Step-by-step explanation:

For which line is the slope least?

Answers

I would definitely that the

Pls help easy points

Answers

are you just looking for the green space or more

Answer: The tax for one dollar is $.0825. The tax for the 12 dollar soap is $.99

Step-by-step explanation:

To figure this out you divide the tax by the price. (.66 divided by 8) This means its .0825 tax for every dollar.

A farm is to be built in the shape of Quadrilateral ABCD, as shown below. All four sides are equal.

A rhombus ABCD is shown with diagonal AC equal to 18. 3 feet and diagonal BD equal to 13.8 feet

What is the area of the farm? (1 point)

a
73.2 square feet
b
111.2 square feet
c
126.27 square feet
d
168.36 square feet

Answers

Answer:

c  126.27 square feet

Step-by-step explanation:

sum of two triangles

18.3 * (13.8/2) * 2 = 126.27

HELP WILL MARK BRANILY

Answers

Answer:

Hello there

Step-by-step explanation:

Hope you figure it out the answer

ABCD is a quadrilateral with AB equal and parallel to DC. prove that AD is equal and parallel to BC​

Answers

Answer: see below proof

Step-by-step explanation:

Imagine a diagonal line AC

If AB = DC and AB // DC then angle BAC =

Angle ACD Alternate Interior angles theorem.

Then if AB = AD and angle BAC = angle ACD and AC = AC then triangle ABC is congruent to triangle CDA.

If triangle ABC is congruent to triangle CDA then AD = BC because congruent parts of congruent triangles are congruent.

If triangle ABC is congruent to triangle CDA then angle ACB = angle CAD because congruent parts of congruent triangles are congruent.

If angle ACB = angle CAD then AD // BC because of the alternate interior angles theorem.

(-7-3i)(11-8i)
Simplified into the a+bi form

Answers

Answer: what

Step-by-step explanation:

Choose the relationship that is modeled by the table, the graph, and the equation. Morgan buys apples for $2 per pound. O Morgan swims 2 miles more than the number of hours he is exercising, © Morgan practices for 2 hours a day. O Morgan walks 2 miles per hour.​

Answers

Answer:

Morgan walks 2 miles per hour.

Step-by-step explanation:

Answer:

d Morgan walks 2 miles per hour.

Step-by-step explanation:

a Zoo ticket cost $13 for adults in about $8 for students if a company of 125 people wanted to take his employees to the zoo how much would they have to pay ​

Answers

Answer:

Assuming there all adults, it would be $1625

Step-by-step explanation:

1/6(x-5)=1/2(x+6) help

Answers

Answer: x= -23/2

Step-by-step explanation:

multiply both sides of the equation by 6

x-5=3(x+6)

distribute 3

x-5=3x+18

move variables to lest-hand side and change sign

x-3x=18+5

like terms

-2x=23

the divide both sides by -2

x= -23/2

Tom bought a pen for $30
and sold it to gain
20% on his cost price. How much money
did he gain?

Answers

Answer:

he gained 6 dollars

Step-by-step explanation:

30 x 0.2

Tom bought a pen for $30 and sold it to gain 20% on his cost price that he gained 6 dollars.

How to calculate unit price of something?

Unit means 'single entity', the fundamental constructing block. Usually, it is 1 in mathematics and science.

Thus, unit price of something is price of 1 thing.

Lets suppose we're taking about price of mangoes, then unit price will denote the price of 1 mango.

It is given that Tom bought a pen for $30 and sold it to gain 20% on his cost price.

Therefore,

30 x 20%

30 x 0.2 = 6 dollars

Thus, he gained 6 dollars.

Hence, Tom bought a pen for $30 and sold it to gain 20% on his cost price that he gained 6 dollars.

Learn more about unit price here:

https://brainly.com/question/945712

#SPJ6

Tom enjoys going to the hardware store. In the past three
weeks, he has spent a total of $85.84 on a hammer, nail
gun, and box of nails. What amount shows his average
spending per week?
A) $14.31
B) $28.61
C) $69.93
D) $85.84

Answers

Answer:

B) $28.61

Step-by-step explanation:

Average  spending per week:

85.84 ÷ 3 ≈ 28.61

How do you further solve this?

Answers

Answer:

x = ±√89-30 cos(55) (everything is under the radical)

and then plug the radical into a calculator and you get two answers:

x1= -9.39873

x2=9.39873

Step-by-step explanation:

i hope this helped :)

What is 8 2/5 minus 5/8

Answers

Answer: 7.775 as a decimal, as a fraction, 311/40.

Step-by-step explanation:

Answer:

im 95%ly sure itz just 8

Step-by-step explanation:

If A = 4x2 + 9x - 5 and B = 6x2 – 3x - 9, then A - B equals

Answers

Answer:

1 I think I'm not 100% sure though

Help please, thank you

Answers

9514 1404 393

Answer:

  A, D

Step-by-step explanation:

The length desired is opposite the given angle. The length given is adjacent to the given angle, so the tangent relation applies:

  Tan = Opposite/Adjacent

  tan(25.4°) = x/1600 . . . . . . . matches 1st choice

Multiplying by 1600 gives ...

  x = 1600·tan(25.4°) . . . . . . . matches 4th choice

Which of the following expressions represents the statement below?

four added to seven times a number

A.
7(n + 4)
B.
4n + 7
C.
4(n + 7)
D.
7n + 4

Answers

Answer:

d

Step-by-step explanation:

7 times a number would be 7n and with addition you can move the numbers around and it won't affect the result.

17% of what number is 51

Answers

Answer:

300

Step-by-step explanation:

Which expression is equal to (x+2)(x−4)(x−4)(x+4)?




x+2x+4

x−2x+4

x−2x−4

x+4x+2

Answers

Answer:Since the expression on each side of the equation has the same denominator, the numerators must be equal.

x

2

=

16

Take the square root of both sides of the equation to eliminate the exponent on the left side.

x

=

±

16

The complete solution is the result of both the positive and negative portions of the solution.

Tap for more steps...

x

=

4

,

4

Exclude the solutions that do not make

x

2

x

4

=

16

x

4

true.

x

=

4

Step-by-step explanation:

What is the solution to this equation? 3x - x + 8 + 5x - 2 = 10 A. x=16/7 B. x=16/9 C. x=4/9 D.x=4/7

Answers

Answer:

D

Step-by-step explanation:

checked it over as well

How is 75% of 60 minutes 45?

Answers

Answer:

It just is see explanation

Step-by-step explanation:

75% is equal to 0.75, or 3/4. If you multiply the full 60 minutes to 3/4, then your product is 45 minutes. That's how 75% of 60 minutes is 45 minutes.

Answer: 75% of a number is the same thing as 3/4 of the number.

so for example, divide 100 by 4. you get 25 right?

right, so multiply 25 by 3 and you get 75. That's what 3/4 of something is.

now divide 60 by 4. you get 15 right?

right, so multiply 15 by 3, and you get 45 :)))

that's why 75% of 60 is 45.

i hope this helps!!

BTW when you get a question with percentages, you can flip them! In this case it doesn't really help to do so, but for example if you had a question asking:

what is 16% of 50?

FLIP IT. it's the same thing as 50% of 16!!!  This works with like any percentage!!!


Round 1.9578 to 1 decimal ​

Answers

Answer:

2

Step-by-step explanation:

the first decimal is 9

9>5 so by rounding 1.9578 to 1 decimal we get 2

Jacelyn charges $9 per hour for umpiring softball games. If u represents Jacelyn's total fee after umpiring for h hours,
which equations can be used to model the situation?

Answers

how many hours? you didnt tell

Is Sue´s answer correct? if not, why?

Answers

She distributed corrected.
She simplified correctly.
The solution is indeed none

Solution: Sue is correct

Please determine x.

Answers

Answer: x=158

Explain: 3 triangle corners = 180
180-90-68 = 22
Flat corner = 180
=> x=180-22=158

In a right triangle ABC, C is the right angle. What does cosB equal?
1. SinB
2. SinA
3. CosA
4. Not enough info

Answers

Given that,

ABC is a right angle triangle, C is the right angle.

To find,

cosB = ?

Solution,

The sum of angle of a triangle is equal to 180 degrees. So,

∠A + ∠B + ∠C = 180°

Put ∠C = 90°

∠A + ∠B + 90° = 180°

∠A + ∠B = 90°

Taking cos with each term.

cosA+cosB = cos (90)

cosA+cosB = 0

cosB=-sinA

Hence, cosB = sinA.

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