Maria has a bag with 6 red marbles, 6 blue marbles, and 4 green marbles looking Maria picks one . She does not replace it and she picks another oneOn the first pick, Maria gets a green marble. What is the probability that she gets a red marble on her second pick?

Answers

Answer 1

Answer: Hello there!

initially Maria has 6 red marbles, 6 blue marbles, and 4 green marbles.

You know that in the first pick, Maria gets a green marble ( this means that now there are 3 green marbles left)

Now we want to know the probability that she gets a red marble on the second pick.

Now there are 6 + 6 + 3 = 15 marbles in the bag, and 6 of them are red ones. Then the probability of getting one red is the number of red ones divided by the total amount ( which is the ratio of red marbles to total marbles)

this is 6/15.

now you can see that there is no 6/15 in the options, so we need to see which one is equivalent.

if we took the option C, 2/5, and multiply both denominator and numerator by 3, we get (3*2)/(3*5) = 6/15, then 2/5 and 6/15 are equivalents.

Then the correct answer is C.

Step-by-step explanation:


Related Questions

SOMEONE SMART PLEASE HELP!! use the Pythagorean theorem to find x​

Answers

Answer:

i am smart

Step-by-step explanation:

you have to divide the 4squareroot2 by 5squareroot2 to get x

Answer:

using pythagoras theorem

H^2=P^2+B^2

h=5[tex]\sqrt{2}[/tex] and let P=4[tex]\sqrt{2}[/tex] and B=x

so,

(5[tex]\sqrt{2}[/tex])^2=(4[tex]\sqrt{2}[/tex])^2+[tex]x^{2}[/tex]

50=32+[tex]x^{2}[/tex]

50-32=[tex]x^{2}[/tex]

18=[tex]x^{2}[/tex]

[tex]\sqrt{18}[/tex]=x

3[tex]\sqrt{2}[/tex]=x

Step-by-step explanation:

6. Side AC = 10 in; Side BC = 8 in What is the length of Side AB?

Answers

Answer:

is it a right angle?

if yes then do u gotta find the hypotenuse or the leg?

$2.95+$3.09+$5.85+$4.10

Answers

Step-by-step explanation:

the value of P(B|A)P(B∣A), rounding to the nearest thousandth

Answer:

$15.99

Explanation:

All you have to do is add them together


A can is 7 inches high and has a radius of 2 inches.
P2 in
7 in
Enter the volume, in cubic inches, of the can. Round your answer to the nearest hundredth.

Answers

9514 1404 393

Answer:

  87.96 in³

Step-by-step explanation:

The volume is given by the formula ...

  V = πr²h

Using the given numbers, we find the volume to be ...

  V = π(2 in)²(7 in) = 28π in³ ≈ 87.96 in³

could someone help please ??

Answers

Answer:

i think it's 0.66666666666 or 1.5

Answer:

The quotient is 1.5.

Step-by-step explanation:

How many solutions can be found for the equation 5x + 3(x − 1) = 10x − 2x − 3?

None
One
3. Two
4. Infinitely many

Answers

Answer:

4. Infinitely many

Step-by-step explanation:

5x + 3(x − 1) = 10x − 2x − 3

5x+3x-3=8x-3

5x+3x-8x=3-3

0=0

x∈R

According to a June 12 invoice, George's Grocery Store owes $11,250 to Crane Food Services. The sales terms are 5/10, 3/15, n/30. Find the cash discount if the invoice is
paid on June 26.
$328.75
$337.50
$445.80
$562.50
None of these choices are correct.

Answers

Answer:

$337.50

Step-by-step explanation:

Given that

The amount is $11,250

And, the sales terms are 5/10, 3/15, n/30

5/10 means if the payment is done within 10 days so 5% discount is given

3/15 means if the payment is done within 15 days so 3% discount is given

And, n/30 means the credit days for payment allowed is 30

Now the cash discount if the invoice is paid on June 20 is

= $11,250 × 3%

= $337.50

I need help with this math problem!

Answers

Answer:

C and E

Step-by-step explanation:

Answer:

I believe that the answer is

C and E

Use the given information to find the minimum sample size required to estimate an unknown population mean μ.

How many students must be randomly selected to estimate the mean weekly earnings of students at one college? We want 95% confidence that the sample mean is within $4 of the population mean, and the population standard deviation is known to be $25.

Answers

Answer:

151 students must be selected.

Step-by-step explanation:

We have that to find our [tex]\alpha[/tex] level, that is the subtraction of 1 by the confidence interval divided by 2. So:

[tex]\alpha = \frac{1 - 0.95}{2} = 0.025[/tex]

Now, we have to find z in the Ztable as such z has a pvalue of [tex]1 - \alpha[/tex].

That is z with a pvalue of [tex]1 - 0.025 = 0.975[/tex], so Z = 1.96.

Now, find the margin of error M as such

[tex]M = z\frac{\sigma}{\sqrt{n}}[/tex]

In which [tex]\sigma[/tex] is the standard deviation of the population and n is the size of the sample.

The population standard deviation is known to be $25.

This means that [tex]\sigma = 25[/tex]

How many students must be randomly selected to estimate the mean weekly earnings of students at one college? Sample mean within $4 of the population mean

This is n for which M = 4. So

[tex]M = z\frac{\sigma}{\sqrt{n}}[/tex]

[tex]4 = 1.96\frac{25}{\sqrt{n}}[/tex]

[tex]4\sqrt{n} = 1.96*25[/tex]

[tex]\sqrt{n} = \frac{1.96*25}{4}[/tex]

[tex](\sqrt{n})^2 = (\frac{1.96*25}{4})^2[/tex]

[tex]n = 150.1[/tex]

Rounding up:

151 students must be selected.

Sydney is going to a carnival that has games and rides. Each game costs $1.25 and
each ride costs $2.25. Sydney spent $24.25 altogether at the carnival and the number
of rides she went on is 3 more than the number of games she played. Determine the
pumber of games Sydney played and the number of rides Sydney went on.
Sydney played
games and went on
rides rides.

Answers

Answer:

Sidney played 5 games and rode 8 rides.

Step-by-step explanation:

Since Sydney is going to a carnival that has games and rides, and each game costs $ 1.25 and each ride costs $ 2.25. Sydney spent $ 24.25 altogether at the carnival and the number of rides she went on is 3 more than the number of games she played, to determine the number of games Sydney played and the number of rides Sydney went on the following calculation must be performed:

5 x 2.25 + 2 x 1.25 = 11.25 + 2.50 = 13.75

6 x 2.25 + 3 x 1.25 = 13.50 + 3.75 = 17.25

7 x 2.25 + 4 x 1.25 = 15.75 + 5 = 20.75

8 x 2.25 + 5 x 1.25 = 18 + 6.25 = 24.25

Therefore, Sidney played 5 games and rode 8 rides.

Answer:

Syndey played 5 games and rode 8 rides

Step-by-step explanation:

It's correct.

PLEASE HELP TIMED---


A basket of sports equipment has 10 baseballs, 2 footballs, and 4 basketballs. A ball is randomly drawn from the basket before another ball is drawn, with no replacement.

What is the probability that a baseball and then a football are selected?

Enter your answer as a fraction in simplest form in the box.

Answers

Answer:

6/10

Step-by-step explanation:

i think sorry if incorrect

Answer:

The correct answer is [tex]\frac{1}{12}[/tex]

Step-by-step explanation:

I know everyone says this but I just took the test and I got it right :)

Pinto
Ans: 405 cm
(c) यदि एउटा गोलाको आयतन 4851 घन से.मि. छ भने
यसको व्यास निकाल्नुहोस् । (If the volume of a sphere is
4851 cubic cm find its diameter.)
Ans: 21 cm​

Answers

Answer:

उत्तर:

गोलाको आयतन :4851 cm³

⁴/3 πr³=4851

r³=4851×3×7/(22*4)

r³=1157.625

r=[tex] \sqrt[3]{1157.625} [/tex]

r=10.5

अब

गोलाको व्यास=2×r=10.5*2=21cm.

Find the distance from A to C across the gorge illustrated in the figure.
The distance from A to C is ___ feet.

Answers

Step-by-step explanation:

tan B = AC/BC

tan 35°= AC / 160

0.700 = AC /160

=> AC = 160 × 0.700

AC = 112.00

so, the distance from A to C is 112.00 feet

From the triangle given in the figure,

ΔACB is a right triangle.Measure of angle ABC = 35°Measure of adjacent side BC = 160 ft

Since, adjacent side BC of the right triangle ACB is given and we have to find the opposite side AC of angle ABC,

Trigonometric ratio to be used → [tex]\text{tan}\theta = \frac{\text{Opposite side}}{\text{Adjacent side}}[/tex]

By substituting these values in the expression,

[tex]\text{tan}(35^{\circ}) = \frac{AC}{160}[/tex]

AC = 160[tan(35)°]

AC = 112.03 feet

               Therefore, distance between A and C is 112.03 feet.

Learn more,

https://brainly.com/question/10675333

What is the correct ratio?



math 20

Answers

Answer:

7/24

Step-by-step explanation:

tan = opp/adj

opp = 7

adj = 24

hyp =25

Ms. Nellies has 2 pints of vinegar for her students to use in a science experiment. Each
group of students needs pint of vinegar. Trey draws the number line model and writes the
equation below to help Ms. Nellies figure out how many 3-pint servings of vinegar she has.
Are Trey's number line model and equation correct?
《十
0
1
2
23 = = 3
Click the arrows to choose an answer from each menu.
Trey's number line model is Choose... because it represents the expression
Choose... The correct equation is choose...
Ms. Nellies has enough
vinegar for Choose... groups of students.
My Progress >
Mk

Answers

Answer:

b

Step-by-step explanation:

Answer
B
Step By Step Explanation

Plssssssssss help me plsss and thxxxxxxxx

Answers

Answer:

B) 264 units²

Step-by-step explanation:

Figure 1:

A = 1/2BH

A = 1/2 12(4)

A = 1/2 48

A = 24

Figure 2:

24 - 4 = 20

20 x 12 = 240

Total area:

240 + 24 = 264

Is anyone good at geometry? I need help. I don't understand this stuff

Answers

HI = 15

Step-by-step explanation:

Since the two triangles are similar, the ratio of their legs are equal.

HI/25 = 3/5

Solving for HI,

HI = (3/5)×25

= 15

the volume of 12 buckets is the same as the volume of 9 bottles. the total volume of 3 bottles and 5 buckets is 21.6 liters. what is the volume of 1 bucket?

Answers

Answer:

The volume of 1 bucket is 2.4 liters.

Step-by-step explanation:

We know that the volume of 12 buckets is the same as the volume of 9 bottles:

[tex] 12B = 9b [/tex]  

[tex] B = \frac{9}{12}b = \frac{3}{4}b [/tex]   (1)

Where B is for buckets and b is for bottles.

Also, that the total volume of 3 bottles and 5 buckets is 21.6 liters:

[tex] 5B + 3b = 21.6 [/tex]   (2)

We can calculate the volume of 1 bucket by entering equation (1) into (2):

[tex] 5(\frac{3}{4}b) + 3b = 21.6 [/tex]

By solving for "b" we have:

[tex] b = \frac{21.6*4}{27} = 3.2 [/tex]

Now, the volume of 1 bucket is:

[tex] B = \frac{3}{4}b = \frac{3*3.2}{4} = 2.4 [/tex]

Therefore, the volume of 1 bucket is 2.4 liters.

I hope it helps you!

y = 3/5x + 5


y = -3/5x + 5


y = 3/5x - 5


y = -3/5x - 5

Answers

Answer:

y= 3/5x+5

Step-by-step explanation:

The y intercept is 5 and the graph is going upwards so it is a postive slope. If you look at at the graph from the y intercept point to point B you can see it goes up by 3 and right by 5 so the slope is 3/5. This makes the equation y=3/5x+5

The answer is y=3/5+5

A local dog shelter has 12 dogs and 8 cats up for adoption. What fraction of the pets are dogs, what percent are cats?

If anyone can figure this out tysm

Answers

12/20 are dogs and 40% is cats

Describe how to use a conversion factor to convert units. PLEASE HELP DUE TONIGHT

Answers

Answer:

A conversion factor is a number used to change one set of units to another, by multiplying or dividing. When a conversion is necessary, the appropriate conversion factor to an equal value must be used. For example, to convert inches to feet, the appropriate conversion value is 12 inches equal 1 foot.

Step-by-step explanation:

solve these equations, show all your work x-2=10 and x+6=13

Answers

Answer:

x = 12 , x = 7

Step-by-step explanation:

x-2 = 10

x= 10+2 = 12

x+6 = 13

x=13-6

x=7

Answer:

x = 9.5

If they were separate equations,

x - 2 = 10 ⇒ x = 12

x + 6 = 13 ⇒ x = 7

Step-by-step explanation:

x - 2 + x + 6= 10 + 13

2x + 4 = 23

2x + 4 - 4 = 23 - 4

2x = 19

2x ÷ 2 = 19 ÷ 2

x = 9.5

If they were separate,

x - 2 = 10

x - 2 + 2 = 10 + 2

x = 12

x + 6 = 13

x + 6 - 6 = 13 - 6

x = 7

1.
Can the three side lengths make a triangle? 14, 7, 8
O a) Yes
Ob) No

PLEASE HELPPPP

Answers

Answer:

Yes

Step-by-step explanation:

For three side lengths to make a triangle, the two smaller lengths have to add up to be greater or equal to the largest side length.

since 7+8=15, and 15>14, the answer is yes.

1/6 divided by 1/2 as a reduced fraction

Answers

Answer:

1/3

Step-by-step explanation:

1/3

Step-by-step explanation:

1/6 ÷ 1/2

Copy dot flip

1/6 * 2/1

Multiply

2/6

Reduce

1/3

How many solutions are in 5x^2+3x+2=0

Answers

There are exactly 7 solutions

i need help with this asap pleaseee!!!!! it’s area and perimeter of rectangle parallelograms

Answers

Answer:

See explanation

Step-by-step explanation:

1. p 28

a 48

2. p 60

a  221

3. p 62

a 168

4. p 22

a 24

5. p 132

a 968

6. p 16

a  16

Please help me with this, its due today

Answers

65+70=135

180-135=45

(x+2)=45
x=43

Answer:

43 is answer

Step-by-step explanation:

65+x+2+70=180

137+x=180

x=43

Please help :D!!!!! And explain

Answers

A is the answer! Your welcome!

9
Reduce to its lowest term.
36/100​

Answers

Answer:

9/25

Step-by-step explanation:

Answer it plssss........

Answers

Answer:

A

Step-by-step explanation:

Because x has the degree one and it’s figure at the numerator

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