You choose a marble at random from a bag containing 8 brown marbles 6 yellow marbles and one purple marble. You replace the marble and then choose again.find p (both yellow)

Answers

Answer 1

Pick 1: 6 yellow out of 15 total marbles = 6/15 = 2/5
Pick 2: 6 yellow out of 15 total marbles = 6/15 = 2/5

Pick 1 AND Pick 2
2/5 x 2/5 = 4/25

Related Questions

Can someone help me find the area of the following figure

Answers

1. The area of the full rectangle is 21 * 28 = 588. We will need this later.

Like you drew, there is an imaginary triangle missing. We can find the dimensions of it by subtracting from the given information. The shorter leg of it is 21 - 12 = 9, the longer leg is 28 - 14 = 14.

Now we find the area of the triangle. Area of a triangle is 1/2 * base * height. So 1/2 * 9 * 14 = 1/2 * 126 = 63.

Now we do the full area of 588 minus the area of the missing triangle piece.

588 - 63 = 525 ft²

2. Do the area of the rectangle and then this time add on the area of the triangle. 7 * 15 = 105. Area of the triangle = 1/2 * 2 * 7 = 1/2 * 14 = 7.

105 + 7 = 112 in²

A barn is an atomic unit of area equal to 10–28 m2. what is the surface area of the earth expressed in units of barn? assume the earth is a sphere with a radius of km. (the surface area of a sphere is 4πr2.)

Answers

the complete question in the attached figure

we know that
surface area of a sphere=4*pi*r²
for r=6380 km------->r=6380 x 10^3 m

surface area of of the earth=4*pi*(6380 x 10^3)²-----> 511506576035121,52 m²

if 1 barn is equal to-------------> 10^(-28) m²
x barn----------------------> 511506576035121,5
x=511506576035121,5/(10^(-28))------> x=5.12 x 10^42 barn

the answer is
5.12 x 10^42 barn

If x varies directly as y, and x = 48 when y = 16, find x when y = 5.

A) 5/3

B) 153.6

C) 15

Answers

To solve this problem you must apply the proccedure shown below:

1. You have the following information given in the problem above: x varies directly as y. When x is 48, y is 16.

2. Keeping the information above on mind, you have:

y=x/k

Where k is the constant of variation

3. Then, the value of k is:

k=x/y
k=48/16
k=3

4. Therefore, when when y=5, the value of x is:

y=x/3
x=(5)(3)
x=15

5. Then, as you can see, the correct answer is the last option (Option C), which is:

C. 15

Which pair of numbers are not opposites? Select one: a. |7| and -7 b. 72 and -72 c. 27 and |-27| d. 27 and -27

Answers

Answer is choice C

|-27| = 27 which is positive and not negative
Saying "27 and |-27|" is the same as saying "27 and 27". We can replace |-27| with 27 as they are equal. In order for them to be opposites, one has to be negative and the other positive; however, both are positive.

Angles α and β are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of α if α < β. sin(2x − 8) = cos(6x − 6)

Answers

Answer:

The value of angle α is 18 degree.

Step-by-step explanation:

Given information: Angles α and β are the two acute angles , α < β.

Given equation is

[tex]\sin (2x-8)=\cos (6x-6)[/tex]

[tex]\cos (90-(2x-8))=\cos (6x-6)[/tex] [tex][\because \sin (90-x)=\cos x][/tex]

Equating both sides.

[tex]90-2x+8=6x-6[/tex]

[tex]98+6=6x+2x[/tex]

[tex]104=8x[/tex]

[tex]13=x[/tex]

The value of x is 13.

The measure of angles is

[tex]2x-8=2(13)-8=18[/tex]

[tex]6x-6=6(13)-6=72[/tex]

Since 18<72, therefore the value of angle α is 18 degree.

Answer:

Step-by-step explanation:

Today, 32 customers at Tasha's Juice Emporium bought a total of 512 ounces of juice. How much juice did each customer buy on average?

Answers

[tex] \frac{512 oz}{32 customers} = 16 ounces per customer[/tex]

The amount of juice did each customer buy on average is,

⇒ 16 ounces

What is Division method?

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications.

For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

Given that;

Today, 32 customers at Tasha's Juice Emporium bought a total of 512 ounces of juice.

Hence, The amount of juice did each customer buy on average is,

⇒ 512 / 32

⇒ 16 ounces

Thus, The amount of juice did each customer buy on average is,

⇒ 16 ounces

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find the probability that a student chosen at random plays football or cricket or both

Answers

42/46= 91% or 21/23 or .91

A basketball is theown upwards. The height F(t), The height in feet, in time, t, in seconds is goven by the following. f(t)= -16t(2) +44+ 12. Which of the following is a reasonable domain of the graphof the function when the basketball falls from ots maximum height to the ground?

Answers

[tex](1.4 \: comma \: 3)[/tex]
those parentheses should be brackets, but their isnt any in the equation feature.

AB is dilated by a scale factor of 3 to form A'B' . Point O, which lies on AB , is the center of dilation. The slope of AB is 3. The slope of A'B' is . through point O.

Answers

Given that AB has been dilated by scale factor 3 to form A'B', and by laws of dilation, the image is congruent to the pre image. This implies that the image will not change in any way whatsoever apart from the size. Hence the slope will remain the same. That means the slope of A'B' will be 3

The slope will remain the same, So the slope of [tex]A'B'[/tex] will be [tex]3[/tex].

Step-by-step explanation:

Given: [tex]AB[/tex] is dilated by a scale factor of [tex]3[/tex] to form [tex]A'B'[/tex] . Point [tex]O[/tex], which lies on [tex]AB[/tex], is the center of dilation. The slope of [tex]AB[/tex] is [tex]3[/tex].

As mentioned in question:

Given that [tex]AB[/tex] has been dilated by scale factor [tex]3[/tex] to form [tex]A'B'[/tex].

So using laws of dilation, the image is congruent to the pre image.

This implies that the image will not change in any way whatsoever apart from the size.

Hence, the slope will remain the same, So the slope of [tex]A'B'[/tex] will be [tex]3[/tex].

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What is the value of y?

I think the hypotenuse is 8 and if it is, am I supposed to do
C^2 - B^2 = A^2?

Answers

check the picture below.

make sure your calculator is in Degree mode.

You actually aren't supposed use to the Pythagorean Theorem. You are supposed to implement the trigonometry functions.

The angle, 60, is directly opposite with what you're trying to find, y. Also since you have another side of the triangle that is identified, you can figure what trig function to use. The line next to the angle is the adjacent. We have the adjacent and opposite. The trig function that implements both sides is the Tangent. The formula for it is tangent(angle) = opposite/adjacent.

Now substitute the number into the formula.

tan(60) = y / 5

We need to isolate y, so we times 5 and tan(60)

tan(60) x 5 = 8.66

y is now isolated and the answer is 8.66 = y

Is (3, 2) a solution to this system of equations?
8x + 7y = 37
2y = 4x - 2

Answers

if x = 3 and y =2 then 8x+7y= 38
and 2y = 4x is correct

hope it helps :)

edit i was incorrect about second answer it would be

2y =4x-4

A rectangle measures 12cm by 7cm. What is its area

Answers

12*7=84
The rectangle is 84cm

Area of a rectangle = width*length = 12*7=84 cm²

What’s the answer to question 13

Answers

The answer is choice C. There simply aren't enough games played at the end of April to determine how well or how badly a player is hitting. The sample size is too small. By the end of September, we have a much better idea. The larger the sample size, the better.

ank’s teacher asked him to verify that the product (y – 3)(y2 + 3y + 9) is a difference of cubes. He used the distributive property to multiply the binomial times the trinomial. Before simplifying, his product was a polynomial of the form y3 + 3y2 + ay – 3y2 – ay – 27. What is the value of a in the polynomial?

Answers

Using the distributive property to obtain the product we shall have:
(y – 3)(y2 + 3y + 9)
=y(y2 + 3y + 9) -3(y2 + 3y + 9)
=y^3+3y^2+9y-3y^2-9y-27
putting like terms together:
y^3+(3y^2-3y^2)+(9y-9y)-27
=y^3+0y^2+0y-27
=y^3-27

From above bold expression the value of a is: a=9

Which expression is another way to show 9/2

Answers

Final answer:

The expression 9/2 can be equivalently expressed as the mixed number 4 1/2, or by multiplying the numerator and denominator by the same number, such as 18/4.

Explanation:

The question asks for an expression that is equivalent to 9/2. One way to express this fraction differently is by converting it into a mixed number. Since 9 divided by 2 is 4 with a remainder of 1, we can express 9/2 as 4 1/2 (four and a half). Another method is to multiply both the numerator and the denominator by the same number, which does not change the value of the fraction.

For example, multiplying both by 2 gives us 18/4, which is equivalent to 9/2. Multiplying or dividing both the numerator and denominator by the same non-zero number is a skill that can provide equivalent fractions.

For one History test, John had to answer 45 questions, John answered 33 of them correctly. What percent did John get on his history test? Round your answer to the nearest tenth if necessary.
PLEASE SHOW WORK!!!

Answers

33÷45=.733 ×100 = 73%

The figure below shows a shaded circular region inside a larger circle:

A shaded circle is shown inside another larger circle. The radius of the smaller circle is labeled as r and the radius of the larger circle is labeled as R. On the right side of the image is written r equal to 4 inches and below r equal to 4 inches is written R equal to 5 inches.

What is the probability that a point chosen inside the larger circle is not in the shaded region?

24%

36%

50%

64%

Points earned on this question: 0

Answers

To find the probability of choosing a point NOT in the shaded region, you will need to find the area of the part of the figure that is not shaded when compared to the total area of the larger shape.

1. To find the area of the unshaded region, you will subtract the area of the larger circle and the area of the smaller circle.

A = pi x r^2 -
3.14 x 5^2 - 3.14 x 4^2
78.5 - 50.24
Area of the unshaded is 28.26 square inches.

Area of unshaded 28.26
Area of large circle = 78.5

Divide these to find the probability.

0.36 is 36% probability.

The probability if 36%.

Answer:

36%

Step-by-step explanation:

!!!!WILL MARK BRAINLIEST IF CORRECT AND IF YOU ANSWER ALL PARTS OF QUESTION! SHOW WORK PLEASE!!!!!

2. A cube-shaped aquarium has edges that are 3 ft long. The aquarium is filled with water that has a density of 62 lb/ft^3
(a) Should the aquarium be placed on a table that can support a maximum weight of 200 lb? Explain why or why not.
(b) Would the density of the water change if the aquarium was only half full? Explain.

Answers

(a) NO.
The table will support a little over 3 ft³ of water. The volume of the aquarium is (3 ft)³ = 27 ft³, substantially larger. Hence the weight of the filled aquarium is substantially more than the table can support.

(b) NO.
The density of water (mass per volume) at a given temperature is substantially constant. That is, water is regarded as an "incompressible fluid." (Water does compress so that its density increases very slightly at extreme depth, but the effect is not measurable over a depth of 1.5 to 3 feet.) Temperature has a much greater effect on the density of water than does depth.

At a carnival, Brian bought 9 packs of 16 tickets each. He uses 39 tickets so far . how many tickets does he have left

Answers

The number of tickets left after using 39 tickets is 105.

What is multiplication?

Multiplication is the process of adding a number up to a given number

Given that, there are 9 packs and there are 16 tickets in each pack.

Therefore, the total number of tickets is:

16 × 9

= 144

Now, the number of available tickets after using 39 tickets:

144 - 39

= 105

Hence, the number of tickets left after using 39 tickets is 105.

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PLEASEEE PLEASSE HELP!! BRANLIEST!!!PLEASEEE

Triangle XYZ is formed by the three squares J, K, and L:

Which statement best explains the relationship between the sides of triangle XYZ?

XY + YZ = ZX, because 144 + 256 = 400
(XY)2 + (YZ)2 = (ZX)2, because 144 + 256 = 400
(XY)2 + (YZ)2 = (ZX)2, because 202 + 122 = 162
XY + YZ = ZX, because 202 + 122 = 162

Answers

I would say B is the correct answer because of the Pythagorean theorem.
a^2 + b^2 = c^2
XY^2 + YZ^2 = ZX^2
12^2 + 16^2 = 20^2
144 + 256 = 400

My best guess is B.

Hope this helps =)

Triangle XYZ is formed by the three squares J, K, and L

So it is a right triangle.

Pythagorean Theorem: a^2 + b^2 = c^2

Answer:

(XY)^2 + (YZ)^2 = (ZX)^2, because 144 + 256 = 400

What is true about side AB and side AD?

1) The slopes are the same.
2)The slopes are the opposite reciprocal.

Answers

Can I see a image because I really got no idea about what you are talking about

Keisha can jog 2 miles in 24 minutes. At the same rate , how many miles can she jog in 60 minute

Answers

In 24 minutes Keisha jogs 2 miles . So in 60 minutes she will jog (2/24) x 60 =5 miles . In 12 minutes she jogs 1 mile . so in 60 minutes it will be 5 miles.

The diagonal of a TV screen is 26 inches. The screen is 18.8 inches wide. How high is the screen? Round to the nearest hundredths place.

Answers

26^2 = 18.8^2 + H^2
H^2 = 322.56
H = 17.96 inches

The height of the TV for the condition is 17.96 inches.

What is Pythagoras' theorem?

In a right-angled triangle, the square of the hypotenuse side is equal to the sum of the squares of the other two sides, according to Pythagoras's Theorem. These triangle's three sides are known as the Perpendicular, Base, and Hypotenuse. Due to its position opposite the 90° angle, the hypotenuse in this case is the longest side.

Given the diagonal of the TV = 26 inches

width of screen = 18.8 inches

let the shape of TV be rectangular

so diagonal divide the rectangle in right triangles,

by Pythagoras' theorem we can find the height,

h² = b² + h²

h = hypotenuse = diagonal for given = 26 inches

b = base = width = 18.8 inches

h = height

(26)² = (18.8)² + h²

h² = 676 - 353.44

h = √322.56

h = 17.96 inches

Hence the height of TV is 17.96 inches.

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Determine whether the triangles are similar. If so, what is the similarity statement and the postulate or theorem used?

Answers

To determine the similarity of the triangles, we shall use the proportionality of the corresponding sides:
DH/DE=DG/DF
thus
30/24=40/32
5/4=5/4
since the triangle shares the same angle ∠D, then we can conclude that the triangles are similar by side angle side (SAS) postulate

Answer:

DGH~DFE; SAS~

Step-by-step explanation:

Ill Mark Brainliest if you answer correctly. The figure below shows a shaded circular region inside a larger circle:

A shaded circle is shown inside another larger circle. The radius of the smaller circle is labeled as r and the radius of the larger circle is labeled as R. On the right side of the image is written r equal to 4 inches and below r equal to 4 inches is written R equal to 5 inches.

What is the probability that a point chosen inside the larger circle is not in the shaded region?

24%

36%

50%

64%

Answers

First we have to find the areas of both circle using the formula

[tex] Area = \pi r^2 [/tex]

For larger circle,

[tex] Area= \pi(5)^2 = 25 \pi [/tex]

For smaller circle,

[tex] Area = \pi (4)^2 = 16 \pi [/tex]

Required probability

[tex] = \frac{25 \pi -16 \pi}{25 \pi} *100 = \frac{9}{25}*100 = 36% [/tex]

Correct option is the second option .

Answer:

the other person is correct

Step-by-step explanation:

give them brainliest

Solve x2 + 10x + 12 = 36 for x. x = â12 or x = 2 x = â11 or x = 1 x = â2 or x = 12 x = â1 or x = 11

Answers

The answer is number A: â12 or x = 2

A ball is dropped from a height of 12 feet. Each time it bounces, it rebounds 3
4
of the distance it has fallen. How far will it rebound after the third bounce?
A) 0.75 feet
B) 5.0625 feet
C) 6.75 feet
D) 9 feet

Answers

Well the answer is D.9 feet

Final answer:

After calculating the rebound height for each bounce by multiplying the height from the previous bounce by 75%, the ball will rebound to a height of B) 5.0625 feet after the third bounce.

Explanation:

The question is asking how far the ball will rebound after the third bounce. Initially, the ball is dropped from a height of 12 feet. On each bounce, it rebounds to ⅔3 (75%) of the previous height. To solve this, we need to calculate the height achieved on each successive bounce.

First bounce: 12 feet * ⅔3 = 9 feet

Second bounce: 9 feet * ⅔3 = 6.75 feet

Third bounce: 6.75 feet * ⅔3 = 5.0625 feet

Therefore, after the third bounce, the ball will rebound to a height of 5.0625 feet, which corresponds to option B.

All of the following represent the same expression except _____.

-8ab
-8(a)(b)
8 - ab
-8 · a · b

Answers

all of them are multiplying except for

8 - ab

looks like subtraction to me

hope that helps

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

The expression that is not the same as the rest of the expressions is

8 - ab.

Option C is the answer.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example:

2 + 3x + 4y = 7 is an expression.

3x - 5 is an expression.

4x + 4 is an expression.

4 x 5 - 5x is an expression.

We have,

1) -8ab

2) -8 (a) (b)

= -8ab

3) 8 - ab

4) -8.a.b

= -8ab

We see that,

All the expressions are the same except the expression

8 - ab

Thus,

The expression that is not same with the rest of the expression is

8 - ab.

Option C is the answer.

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What is the value of b?
Round your answer to the nearest tenth.
15.7 yd
24.1 yd
35.1 yd
36.2 yd
The figure shows acute triangle A B C. The measure of angle B is 34 degrees. The length of side A B is 28 yard. The length of side B C is 22 yard. The length of side C A is b.

Answers

Do do this problem, you need to use the Law of Cosines!

You are trying to find length b, so

b^2 = a^2 + c^2 - 2ab cos B
b^2 = 22^2 + 28^2 - 2(22)(28) cos 34
b^2 = 484 + 784 - 1232 cos 34
b^2 = 1268 - 1232 cos 34
b^2 = 246.6257
b = 15.7 yards

Hope this helps!

Answer:

A. 15.7 yards.

Step-by-step explanation:

Please find the attached file.

We have been given that in triangle ABC, the measure of angle B is 34 degrees. The length of side AB is 28 yards and the length of side BC is 22 yards. The length of side CA is b.

We will use law of cosines to find the length of side 'b'.

[tex]c^2=a^2+b^2-2ab\times cos(C)[/tex]

Upon substituting our given values in above formula we will get,

[tex]CA^2=22^2+28^2-2\times 22\times 28\times cos(34^{\circ})[/tex]

[tex]CA^2=484+784-1232\times 0.829037572555[/tex]

[tex]CA^2=1268-1021.37428938776[/tex]

[tex]CA^2=246.62571061224[/tex]

Taking square root of both sides we will get,

[tex]CA=\sqrt{246.62571061224}[/tex]

[tex]CA=15.70432139929\approx 15.7[/tex]

Since the length of side CA is b, therefore, the value of b is 15.7 yards and option A is the correct choice.

Mark placed a pool in his backyard which is enclosed by a triangular fence the radius of the pool is 20.5 feet. How backyard is not covered by the pool

Answers

The area of the pool is 1320.25

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