You have 4 black marbles, 3 green marbles and 5 red marbles in a bag. What
is the probability of pulling out a black marble?

Answers

Answer 1

Answer:

I believe it is 40% since there are 4 marbles within the bag!

Step-by-step explanation:


Related Questions

A 20-oz bottle of soda is $1.79. A 32-oz bottle is $3.49. Which has the lower unit cost?
a) the smaller size
b) the larger size
c) the unit cost is the same

Answers

Easy, to find the unit cost, divide the price with the ounces.
For the 20-oz bottle of soda that is $1.79, divide 1.79 by 20 oz.
20/1.79= $11.17

For the 32-oz bottle, do the same.
32/3.49 = $9.17

The unit price of the 20-oz bottle would be $11.17, meanwhile the 32- oz bottle would have a unit price of $9.17.

The soda with the lower unit cost would be the larger sized bottle.

A factory produced a batch of handheld video games, but 4% of the games were found to be defective. If the batch had 250 games in all, how many games in the batch were not defective?
A.
240
B.
150
C.
100
D.
10

Answers

Answer:

A) 240 games are not defective

Step-by-step explanation:

1% of 250 = 2.5

*4                *4

4% of 250 = 10

250 - 10 = 240

240 games are not defective

a/240 games are not defective

which describes the equation: y=4x-5

1._ the equation has a rate of change of -5 and crosses y intercept at 4
2.- the equation has a rate of change of 4 and crosses y intercept at -5
3._ none of the above
4._ all the above​

Answers

Answer:

hello

Step-by-step explanation:

4) Name The Angle Pair Represented And Solve For x. *
37°
(6x - 11)

Answers

Answer:

x = 8

Step-by-step explanation:

The attached figure shows the angle pair representation.

Here, two lines are cut by a transversal. It means the corresponding angles are equal i.e.

37 = 6x-11

37+11 = 6x

6x = 48

x = 8

Hence, the value of x is 8.

Could someone create Equations & Explanations based on this question, because I need to solve using substitution and later modify it to create a system of inequalities.

Answers

Answer:

3 hours

Step-by-step explanation:

If both the cars are moving in the same direction,

Speed of orange sports car = 60 miles per hour

Since, this car has already moved for 1 hour,

Distance covered by the sports car = speed × time

                                                           = 60 × 1

                                                           = 60 miles

Speed of the green van = 30 miles per hour

Since, green van has already moved for the duration = 3 hours

Distance covered by the green van = speed × time

                                                            = 40 × 3

                                                            = 120 miles

Therefore, distance between sports car and green van = 120 - 60

                                                                                            = 60 miles

Relative speed of orange sports car with respect to green van = Speed of sports car - speed of green van

= 60 - 40

= 20 miles per hour

Time taken by the orange sports car to cover 60 miles (Distance between sports car and green van) = [tex]\frac{\text{Distance between the car and van}}{\text{Relative speed of the sports car}}[/tex]

= [tex]\frac{60}{20}[/tex]

= 3 hours

Therefore, orange sports car will take 3 hours to pass the green mini green van.

1, 4, 9, 16, 25, ______, ______, ______

Answers

The answer is 36 , 49 , & 64 .

Please help! giving all the points I have!!! will give brainliest!!

Answers

c, because once you add the texture up

Solve for W: P=2L + 2W

A. W=P-L
B. W= 1/2P - L
C. W= 1/2 P + L
D. W= 2P - L​

Answers

Answer:

B

Step-by-step explanation:

[tex]P=2L+2W[/tex]

[tex]P-2L=2W[/tex] (Subtract 2L from both sides of the equation)

[tex]2W=P-2L[/tex] (Symmetric Property of Equality)

[tex]W=\frac{P-2L}{2}[/tex] (Divide both sides of the equation by 2)

[tex]W=\frac{P}{2} -\frac{2L}{2}[/tex] ("Split" the fractions)

[tex]W=\frac{1}{2}P-L[/tex] (Simplify)

Hope this helps!

Determine if the triangles below are congruent. If yes, indicate which postulate (SSS, SAS, ASA, AAS, or HL would prove them congruent

Answers

ASASSSSASSASSASSAS

hope this helped

1. The triangle is congruent by ASA postulate

2. The triangle is congruent by SSS postulate

3. The triangle is congruent by SAS postulate

4.  The triangle is congruent by SSS postulate

5. The triangle is congruent by SAS postulate

6. The triangle is congruent by SSS postulate

What is Triangle?

A triangle is a three-sided polygon that consists of three edges and three vertices.

Two triangles are said to be congruent if all three corresponding sides are equal and all the three corresponding angles are equal in measure.

1.The triangle is congruent by ASA postulate

If two angles and the included side of one triangle are congruent to two angles and the included side of a second triangle, then the triangles are congruent.

2. The triangle is congruent by SSS postulate

If all three sides of a triangle are congruent to corresponding three sides of other triangle then the two triangles are congruent.

3. The triangle is congruent by SAS postulate

if two sides of one triangle and the angle included between them are congruent to two sides and the included angle of a second triangle, then the triangles are congruent.

4.  The triangle is congruent by SSS postulate

5. The triangle is congruent by SAS postulate

6. The triangle is congruent by SSS postulate

Hence 1. The triangle is congruent by ASA postulate

2. The triangle is congruent by SSS postulate

3. The triangle is congruent by SAS postulate

4.  The triangle is congruent by SSS postulate

5. The triangle is congruent by SAS postulate

6. The triangle is congruent by SSS postulate

To learn more on Triangles click:

https://brainly.com/question/2773823

#SPJ2

Match each expression to the description shown. Answers may be used more than once.

Answers

Ok so 2(x+1) would be two times the sum of a number and one. “Sum of a number and one” is just “x+1” and then it’s two times that because the two is outside of the parentheses.

And then 2x+1 would be the product of two and a number increased by 1. The product is two and a number is 2x and then increased by 1 is the +1

Nadine conducted an experiment with four possible outcomes. Trevor conducted the same experiment, but he doubled the number of trials. Which statements are true? Select two options. Trevor has more experimental outcomes than Nadine. Trevor’s sample space is greater than Nadine’s. Trevor’s experimental probability is more likely closer to the theoretical probability than Nadine’s. Nadine’s experimental probability is more likely closer to the theoretical probability than Trevor’s. Nadine has more experimental outcomes than Trevor.

Answers

Answer:

A and C

Step-by-step explanation:

Nadine and Trevor both conducted an experiment but Nadine conducted with four possible outcomes and Trevor doubled the trials, therefore, Trevor will have more experimental outcomes than Nadine because he doubled the trials. Moreover, Trevor's experimental probability is more likely closer to theoretical probability than Nadine's, therefore option 'A' and 'C' are correct.

Answer:  

Trevor has more experimental outcomes than Nadine.  

Trevor’s experimental probability is more likely closer to the theoretical probability than Nadine’s.

Step-by-step explanation:

i need help with number 2.

Answers

Answer:

(1)

Step-by-step explanation:

Given

[tex]\frac{2x}{a}[/tex] + b = c ( subtract b from both sides )

[tex]\frac{2x}{a}[/tex] = c - b ( multiply both sides by a to clear the fraction )

2x = a(c - b) ← distribute

2x = ac - ab ( divide both sides by 2 )

x = [tex]\frac{ac-ab}{2}[/tex] → (1)

Need help ASAP please

Answers

Answer:

$45

Step-by-step explanation:

sum the parts of the ratio, 3 + 5 = 8 parts

Divide the amount by 8 to find the value of one part of the ratio.

$120 ÷ 8 = $15 ← value of 1 part of the ratio, thus

3 parts = 3 × $15 = $45 ← amount David received

Answer:

$45

Step-by-step explanation:

ratio is 3:5

David gets 3x, Jack gets 5x

So, 3x+5x=120

8x=120

x=15

David got 3x = 3*15 = $45

Read the excerpt from Heart of a Samurai.

[Manjiro] took one last glance behind them and noticed something strange. Dark streaks ran like ribbons through the water.
Which best states the author’s purpose for using the word “strange”?
A. to develop Manjiro’s character
B. to create a feeling of suspense
C. to describe the story’s setting
D. to quicken the pace of the story

Answers

Answer:

uhm i think its A

Step-by-step explanation:

sorry if i get it wrong

:):

Answer:ITS A

Step-by-step explanation:

What is a synthetic material made of?

Answers

Synthetic fibers are made from raw materials such as petroleum, based on chemicals or petrochemicals [20]. These materials are polymerized into a long, linear chemical with different chemical compounds and are used to produce various types of fibers.

Synthetic fibers are made from chemicals consisting of superior properties to natural fibers such as cotton or silk. Synthetic textiles are made from either inorganic products or a mixture of organic ones and chemicals.

Sum of positive 3 negative -2 and negative-5

Answers

Answer:

-4

Step-by-step explanation:

I went ahead and just added it to get that answer however if you need it subtracted from one another the answer is 10

Hope this helps please mark me the brainliest! Peace and love

Answer:

3+(-2) +(-5)

3 -2 -5= - 4

adding a negative is the same as subtracting a positive.

Find the area of the shape below.
10 cm
27 cm
9 cm
24 cm

Answers

Answer:

there is no shape below

The sum of n consecutive integers is 14. The median of the
numbers is 2. What is n?

Answers

Answer:

n is 7

Step-by-step explanation:

-1,0,1, 2 ,3,4,5

-1 + 0 + 1 +2 + 3 + 4 + 5 = 14

Which interval on the graph could be described as linear constant?

A coordinate plane is shown. A line is horizontal from x equals 0 to 2, increases from 2 to 4, decreases from 4 to 5, and decreases at a slower rate from 5 to 8.

A
B
C
D

Answers

Answer:

D

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

HURRY UP PLS





The diameter of a red blood
cell is about 0.0008 cm. The diameter ofa
chicken pox virus is about 1.7 x 10-5 cm. What is the approximate ratio of the
diameter of the red blood cell to the diameter of the chicken pox virus?
OA. 1.9 x 10-2
OB. 4.7 x 101
OC. 1.9 x 10-3
O D. 4.7 x 102

Answers

Answer:

its B my guy I had that question before

Answer:

B.4.7 x 101

Step-by-step explanation:

it's 4.7 x 101

Expand and simplify (x - 6)(x + 2)​

Answers

Step-by-step explanation:

hope it is helpful to you

5 of 8
The perimeter of a regular decagon is 513m.
State the length of one of its sides.

Answers

Step-by-step explanation:

Decagon = 10-sided polygon

Perimeter of 10 sides = 513m

Perimeter of 1 side = 513m/10 = 51.3m.

a road crew can repave 1/15 miles of road each hour. they must repave a road that is 3/5 miles long. how long will it take the crew to repave the road?

Answers

Answer:

9 hours

Step-by-step explanation:

For this problem, we simply need to rewrite the goal length, 3/5 miles, into our ratio of time length equivalence, 1 hour per 1/15 miles.  To do this we find the common denominator to be 15 and rewrite it as so:

3/5

= 3*3 / 5 * 3

= 9 / 15

And since it takes 1 hour per 1/15 mile of road, we can perform the division to find the amount of time:

9/15 / 1/15

= 9/15 * 15/1

= ( 9 * 15 ) / ( 15 * 1 )

= 9 / 1

= 9

Hence, it will take the crew 9 hours to repave the road.

Cheers.

Answer:9 hours

Step-by-step explanation:

3/5x3/3 = 9/15.

Tamir drank 2 1/4 cups of orange juice in the morning and 10 1/4 cups in the afternoon. How much orange juice did Tamir drink in all? Write your answer as a fraction or as a whole or mixed number.

Answers

Answer:

12 1/4 cups

Step-by-step explanation:

Add the morning and the afternoon amounts together

2 1/4 + 10 1/4

12 2/4

Simplify the fraction

12 1/4 cups

The use of logic, making empirical observations, and performing dissections were all part of the scientific studies by

Answers

Answer:

Aristotle

Step-by-step explanation:

Aristotle is widely known as a Greek philosopher. His works cover a wide range of topics and subjects, including subjects relating to science, arts, and finance.

Throughout his lifetime as a philosopher he was known to utilize logic, preparing empirical observations, and performing dissections as all part of his scientific studies.

Hence, in this case, the correct answer is ARISTOTLE

please help :( will give brainliest!

Answers

B c and d are correct

Answer:

A, C, and D

Step-by-step explanation:

−40+10a= \,\,-70 −70

Answers

Answer:u did it wrong

Step-by-step explanation:

Doughnut Muffins
cups flour 1 cup oil
teaspoons baking powder cups sugar
teaspoons salt 3 eggs
teaspoons nutmeg cups milk
teaspoon cinnamon
Combine flour, baking powder, salt, nutmeg, and cinnamon in a bowl. In another bowl, combine oil, sugar, egg, and milk. Add liquid ingredients to dry ingredients; stir only to combine. Bake in paper-lined muffin tins at 350° for 20 to 25 minutes.

Donna wants to make a batch of doughnut muffins that only yields 12 muffins. Modify the recipe for her, making sure to include new measurements of every ingredient.

Answers

Answer:

1 3/4 cups of flour

1/3 cup oil

1 1/2 teaspoons baking powder

3/4 cups sugar

1/2 teaspoons salt

1 egg

3/4 cups milk

1/4 teaspoon cinnamon

I hope this is right!

Step-by-step explanation:

Looks like I can update my answer!

Okay...the recipe is...

Doughnut muffins

Yields: 36 muffins

5 1/4 cups of flour

1 cup oil

4 1/2 teaspoons baking powder

2 1/4 cups sugar

1 1/2 teaspoons salt

3 eggs

2 1/4 cups milk

3/4 teaspoon cinnamon

Alright, it looks as though what you need to do here first is to turn everything into improper fractions. This would result in:

21/4 cups of flour

1/1 cup oil

9/2 teaspoons baking powder

9/4 cups sugar

3/2 teaspoons salt

3/1 eggs

9/4 cups milk

3/4 teaspoon cinnamon

Then, divide everything by three...

7/4 cups of flour

1/3 cup oil

3/2 teaspoons baking powder

3/4 cups sugar

1/2 teaspoons salt

1/1 egg

3/4 cups milk

1/4 teaspoon cinnamon

...and simplify.

1 3/4 cups of flour

1/3 cup oil

1 1/2 teaspoons baking powder

3/4 cups sugar

1/2 teaspoons salt

1 egg

3/4 cups milk

1/4 teaspoon cinnamon

There you go!

If a radioactive isotope has a half-life of 6 hours and 12 milligrams is initially present, how much will
be present in 24 hours?

Answers

Answer:0.75 milligrams will  be present in 24 hours

Step-by-step explanation:

Step 1

The formula for radioactive decay can be written as

N(t)=No (1/2)^(t/t 1/2)

where

No= The amount of the radioactive substance at time=0=milligrams

t 1/2= the half-life= 6 hours

t=24 hours

N(t) = the amount at time t

Step 2--- Solving

N(t)=No (1/2)^(t/t 1/2)

=N(t)=12 x ( 1/2) ^ (24/6)

= 12 x (1/2) ^4

= 12 x 0.0625

= 0.75 milligrams

What is the measure of angle JHN.

Answers

Answer:

it's a)25

Step-by-step explanation:

angle MHL and JHN+NHK should be the same, they both are 95 degrees

Answer:

45°

Step-by-step explanation:

first of all find X

(3x+20) - (x+25) =x + 20

3x+20-x-25=x+20

3x-x+20-25=x+20

2x-5=x+20

collect like terms

2x-x=20+5

x=25°

recall JHN= (x+20)°

x=25

JHN=((25)+20)°

JHN=(25+20)°

JHN=45°

Hope it is helpful

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