Anyone 100% know dis answer

Answer:

the answer is b, c, d, a, respectively

Answer:

the last one

Step-by-step explanation:

there is no rhythm

Answer:

No. C

Step-by-step explanation:

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Table C shows the proportional relationship between x and y that y varies directly with x option (C) is correct.

It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.

We have:

y vary directly with x

y ∝ x

y = kx

k is the constant.

k = y/x

Checking table A:

k  = -2/1 = -4/2 ≠ -16/3

Checking table B:

k = -5/1  ≠  18/2 = 41/3

Checking table C:

k = 26/1 = 52/2 = 78/3 = 26

Thus, table C shows the proportional relationship between x and y that y varies directly with x option (C) is correct.

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Answer: L is the answer for the question

Step-by-step explanation:

The Average distance from point in a ball of radius 4 to the center as a triple integral is ⇒ 1/(4/3 * π *4³)× \(\int\limits^{2\pi }_0 \int\limits^{\pi }_0 \int\limits^4_0 {\rho.{\rho}^{2} } \, sin\phi .d\rho .d\phi .d\theta\)   and the average distance is 3 units .

In the question ,

it is given that ,

the radius of the ball is 4 ,

that means ρ = 4 .

So , using spherical coordinates ;

the region is given by

E = {(ρ,Φ,θ) | 0≤ρ≤4 , 0≤Φ≤π , 0≤θ≤2π }

So , the triple integral representation of the  average distance is given by

AD = (∫∫∫d(x,y,z) dV)/(∫∫∫1 dV)

= 1/(4/3 * π *4³)× \(\int\limits^{2\pi }_0 \int\limits^{\pi }_0 \int\limits^4_0 {\rho.{\rho}^{2} } \, sin\phi .d\rho .d\phi .d\theta\)

= 1/(4/3 * π *4³) × \(\int\limits^{2\pi }_0 \int\limits^{\pi }_0 \int\limits^4_0 {{\rho}^{3} } \, sin\phi .d\rho .d\phi .d\theta\)

Integrating further ,

we get ;

= (3/256π) × \(\int\limits^{2\pi }_0\int\limits^{\pi }_0\)[ρ⁴/4]⁴₀ sinФ.dФ.dθ

Simplifying further ,

we get ,

= 3/4π × 2 × [θ] 2π to 0

= (3/2π) × 2π

= 3

Therefore , the Average distance is 3 units .

The given question is incomplete , the complete question is

Express the the average distance from a point in a ball of radius 4 to its center as a triple integral and evaluate it .

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Answer:

d

Step-by-step explanation:

Answer:

1) 30

2) 60

Step-by-step explanation:

1. 90 + 2x + x = 180

solve for x

x = 30

plug in 30 for x

hope this helps. I am in algebra two so you can trust my answer. Happy holidays stay safe

Answer: The area of the floor of the hall is approximately 599.2448 square meters.

Step-by-step explanation: Let's assume the breadth of the hall be x meters. Then, the length of the hall will be 2x meters and the height will be 3x meters.

The volume of the hall can be found as follows:

Volume = Length × Breadth × Height

36000 = 2x × x × 3x

36000 = 6x³

x³ = 6000

x = ∛6000 ≈ 17.32 meters

Therefore, the breadth is approximately 17.32 meters, the length is 2 × 17.32 = 34.64 meters, and the height is 3 × 17.32 = 51.96 meters.

The area of the floor can be found by multiplying the length and breadth:

Area = Length × Breadth

Area = 34.64 × 17.32

Area = 599.2448 m²

Therefore, the area of the floor of the hall is approximately 599.2448 square meters.

Given:

In number 3 sets is 61 ans 4 number is 64

so Q3 is:

Answer:

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Step-by-step explanation:

Please help me important question Please help me important question in image

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(a) 45 tens is equal to 450. :- True

(b) 12.3 is equal to 123 ones. :- True

(c) 80 tens is greater than 6 hundreds. :- True

(d) 43,200 is less than 50 thousands. :- True

(e) 60 hundreds = 6,000 :- True

Consider the first statement,

45 tens are equal to 450

So, 45 tens mean 45 times 10 is written as:

45 × 10 = 450

Hence, it's true.

Consider the second statement,

12.3 is equal to 123 ones.

Now, 123 ones is equal to 123 times 1.

123 × 1 = 123

Hence, the statement is true.

Consider the third statement,

80 tens is greater than 6 hundreds.

Now 80 tens = 80 × 10 = 800

Now, 6 hundreds = 6 × 100 = 600

Now, 800 > 600

Hence, the statement is true.

Consider the fourth statement.

43,200 is less than 50 thousands.

Now, 50 thousands = 50 × 1000 = 50,000

We know,

50,000 > 43,200

Therefore, the statement is true.

Consider the fifth statement,

60 hundreds = 6000

Now, 60 hundreds = 60 × 100 = 6000

Therefore, the statement is true.

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A fair die has 6 faces.

If the die was painted, and the probability of showing red is 2/6, then the following explains it;

In Usha's experiment, she must have painted 2 of the 6 faces red color.

The x-coordinates where the graphs of the equations intersect are x = -1 and x = 3

From the question, we have the following parameters that can be used in our computation:

y = 2x

y = x² - 3

The x-coordinates where the graphs of the equations intersect is when both equations are equal

So, we have

x² - 3 = 2x

Rewrite the equation as

x² - 2x - 3 = 0

When the equation is factored, we have

(x + 1)(x - 3) = 0

So, we have

x = -1 and x = 3

Hence, the x-coordinates are x = -1 and x = 3

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Question

From least to greatest, What are the x–coordinates of the three points where the graphs of the equations intersect? If approximate, enter values to the hundredths.

y = 2x

y = x² - 3

Answer: 10 units

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The percent error of the estimate is -2.14%

In this question, the figures are given as

Estimate = 5.5 cm

Actual = 5.62 cm

The percentage of the error is then calculated using the following equation

Error percentage = (Estimate - Actual)/Actual * 100%

Substitute the known values in the above equation, so, we have the following representation

Error percentage = (5.5 - 5.62)/5.62 * 100%

Evaluate

Error percentage = -2.14%

Hence, the error percentage is -2.14%

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About 88.49% of cellphone plans have charges that are less than $83.60.

To determine the percentage of plans that have charges less than $83.60, we need to find the z-score (z) using the given mean and standard deviation, and then look up the corresponding area under the normal distribution curve.

z = (x – μ) / σ

where x = 83.60, mean, μ =  62 and standard deviation, σ = 18

Thus, the z-score of $83.60 is:

z = (83.60 - 62) / 18 = 1.2

Using a standard normal distribution table, we can find that the area to the left of z = 1.20 is 0.8849 or 88.49% (check image attached).

Therefore, about 88.49% of cellphone plans have charges that are less than $83.60.

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Based on the given parameters, the length of c is 8.0 units

The given parameters are

Angle c = 76 degrees

Side a = 20

Side b = 13

The length of c is then calculated using the following law of sines

c^2 = a^2 + b^2 - 2absin(C)

Substitute the known values in the above equation

So, we have

c^2 = 20^2 + 13^2 - 2 * 20 * 13 * sin(76)

Express 20^2 as 400

c^2 = 400 + 13^2 - 2 * 20 * 13 * sin(76)

Express 13^2 as 169

c^2 = 400 + 169 - 2 * 20 * 13 * sin(76)

Evaluate the product and sin(76)

c^2 = 400 + 169 - 520 * 0.9703

Evaluate the product

c^2 = 400 + 169 - 504.55

Evaluate the exponents

c^2 = 400 + 169 - 504.55

So, we have

c^2 = 64.45

Evaluate the square root

c = 8.0

Hence, the length of c is 8.0 units

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The amount to be paid by Bo is 0.82B

A percent of a number is the 100th part of it.

Given that, the board game costs B dollars. Price is reduced by 18%.  we need to calculate the final bill.

Cost of game = B dollars

Discount = 18% = 0.18

Discount amount = 0.18B

Final cost = B-0.18B

Amount to pay = 0.82B

Hence, the amount to be paid by Bo is 0.82B

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The complete question is:-

Bo is buying a board game which usually costs B dollars. The game is on sale, and the price has been reduced by 18% There are different ways of thinking about how to calculate Bo's final bill. Match the expressions to their meanings.

Answer:

Step-by-step explanation:

GIVEN:    dx / dt=5 in./min.  and  dy/ dt=−6 in./min.

FIND:    dz/ dt when x=12 in. and y=9 in.

Use the Pythagorean Theorem to get the equation

x2+y2=z2

Now differentiate this equation with repect to time t getting

D{x2+y2}=D{z2}   ⟶

2xdxdt+2ydydt=2zdzdt   ⟶  

(Multiply both sides of the equation by 1/2.)

x dx/ dt+y dy/ dt= z dz/ dt              (DE)

Now let x=12 and y=9 and solve for z using the Pythagorean Theorem.

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122+92=z2   ⟶   z2=225   ⟶   z=15

Plug in all given rates and values to the equation (DE) getting

(12)(5)+(9)(−6)=(15)dz/ dt   ⟶

6=15dzdt   ⟶

dz/ dt=615=25 in/min.

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Answer:

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Step-by-step explanation:

They will need 14 cars to get to the zoo.

Multiplication is the mathematical operation that is used to determine the product of two or more numbers. If an event can occur in m different ways and if following it, a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.

We have been given that there are 55 kids in the after-school club.

And Tomorrow they are going to the zoo. If each car can carry 4 kids, then,

Four kids can be carried by one car.

Then 55 kids can be carried by = 1 x 55/4

= 13.75

Or 14

Hence, they will need 14 cars to get to the zoo.

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Triangle ABC and ADE are similar triangles

Similar triangles have the same corresponding angle measures and proportional side lengths.

This means that for two triangles to be similar, the corresponding angles must be equal and the ratio of corresponding sides of similar triangles are equal.

It has been shown that angles in ABC and ADE are equal.

To show that the ratio of corresponding sides are equal

6/12 = 8/16 = 10/20

The ratios all give a value of 1/2

Therefore we can say that the triangles ABC and ADE are similar.

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Answer:

last one

Step-by-step explanation:

can you help me with my question

Step-by-step explanation:

The radius r is 5 in (r = D/2). so the volume V of the beach ball is

\(V= \dfrac{4 \pi}{3}r^3 = \dfrac{4 \pi}{3}(5\:\text{in})^3\)

\(\:\:\:\:\:= 523.6\:\text{in}^3\)

Answer:

35°

Step-by-step explanation:

Complementary angles has a sum of 90°

m<A + m<B = 90°

2x + 23 + 4x -29 = 90° add like terms

6x - 6 = 90° add 6 to both sides

6x = 96 divide both sides by 6

x = 16 now replace the x in m<B = 4x - 29 with 16

4×16 - 29 = 35

Answer:

6 x 4= 24 is the area in square feet

Answer:

Step-by-step explanation:

Given the population increasing according to the exponential function defined by y = 3e^0.04x, where y is in millions and x is the number of years, to determine when the population will reach 4 million, the following steps must be carried out.

Since y is in millions, we will first substitute y = 4 into the modeled equation as shown;

4 =  3e^0.04x

Therefore to calculate x, we need to solve the expression 3e^0.04x = 4 for the value of x and this is arrived at by simply substituting y = 4 into the given equation.

To get x;

3e^0.04x = 4

e^0.04x  = 4/3

taking the ln of both sides

lne^0.04x = ln1.333

0.04x = 0.287

x = 0.287/0.04

x≈ 3.59 years

Considering the right triangle ABC

Side a is opposite to ∠A and adjacent to ∠B

Side b is opposite to ∠B and adjacent to ∠A

To determine the length of "a" given that we know the length of b and the measure of ∠B, you have to apply the trigonometric ratio of the tangent which is defined as follows:

The tangent of an angle "θ" is equal to the quotient between the opposite side of the angle and the adjacent side.

As mentioned before, considering ∠B, side b is opposite to this angle, and side a is adjacent to it.

Replace ∠B=70º and b=16 into the expression of the tangent:

Multiply both sides by "a" to take the term from the denominator's place:

Divide both sides by the tangent of 70 to determine the length of a:

Side a is 5.8 units long. (first option)