FInd the Area of the figure

Answer:

Step-by-step explanation:

227.07

Answer:

2010 miles.

Step-by-step explanation:

Victoria fell asleep 13% into the trip. if 261=13%, then you want to know how many miles in 1%. so you divide 261 by 13 and get 20.1 so you know one percent of the trip is 20.1 miles, so if you want to know 100% of the trip, then you multiply 20.1 by 100, to get 2010.

The probability of the interval -1.62 < z < 2.01 in a standard normal distribution is approximately 0.9262 or 92.62%.

In a standard normal distribution, the mean is 0 and the standard deviation is 1. The z-score represents the number of standard deviations a data point is from the mean. To find the probability of a specific interval, we calculate the area under the curve between the corresponding z-values.

Given the interval -1.62 < z < 2.01, we need to find the area under the standard normal curve between these two z-values. This can be done using a standard normal distribution table or by using a statistical software or calculator.

By looking up the z-values in the table or using software, we find the corresponding probabilities: P(z < -1.62) = 0.0526 and P(z < 2.01) = 0.9788.

To find the probability of the interval -1.62 < z < 2.01, we subtract the probability of the lower bound from the probability of the upper bound: P(-1.62 < z < 2.01) = P(z < 2.01) - P(z < -1.62 = 0.9788 - 0.0526 = 0.9262.

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Answer:

Since the discovery of the tiger gar population in Lake Richmond, the population of bluegill fish has also shown significant change.​

the discovery of the tiger gar population in Lake Richmond, the population of bluegill fish has shown significant change. The number of bluegill fish has decreased from 2,465 in 2016 to 1,094 in 2021.

The null hypothesis (H0) in this case would be:

"There is no difference in click-through rates between visitors from mobile devices and visitors from non-mobile devices."

The alternative hypothesis (H1) would be:

"The click-through rate of visitors from mobile devices is higher than the click-through rate of visitors from non-mobile devices."

a) To calculate the pooled estimator for p, we need to calculate the pooled proportion of clicks between the two groups.

Pooled estimator for p = (x1 + x2) / (n1 + n2)

where:

x1 = number of clicks in group 1 (visitors from mobile devices) = 361

x2 = number of clicks in group 2 (visitors from non-mobile devices) = 478

n1 = total number of visitors in group 1 = 1819

n2 = total number of visitors in group 2 = 2058

Pooled estimator for p = (361 + 478) / (1819 + 2058) ≈ 0.23383 (rounded to 5 decimal places)

Therefore, the pooled estimator for p is approximately 0.23383.

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Answer: In a 30-60-90  triangle the side opposite the 30 degree angle is half the length of the hypotenuse. The shorter leg is the side opposite the 30 degree angle, therefore the shorter leg = 30/2 = 15

By the Pythagorean theorem

the longer leg = √(30² - 15²) = √(900-225) = √675 = 15√3 ≈ 25.98 units

Answer:

its A

Step-by-step explanation:

The second linear equation will be linearly dependent to the first equation. The graphs of the two linear equation will be parallel to each other.

When two systems of linear equation is given and they do not have a solution that means the  first one is depended on the second one or the second equation is depended on the first set of equations.

The system of linear equations that does not posses a solution is called inconsistent form of linear equation where the multiples of the variables are multiples of each other but the constant is completely different.

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The value of the variable 'total' from the following JavaScript code is "120".

The given code is as follows:

var x = 1;

var y = '2';

var z = 0;

var total = x+y+z;

The given code above has three variables x, y, and z. The value of variable x is 1. The value of variable y is '2' which is a string value and not an integer value. And, the value of variable z is 0.

Therefore, the code adds the values of variables x, y, and z. But since the variable y is in string format, it concatenates it with x and z, as JavaScript prioritizes string concatenation over the addition operation.

Therefore, the output of the addition operation in the given code is "102".

To obtain the value "120", we need to change the variable y from a string format to an integer format. We can do this by using parseInt(), which is a built-in JavaScript function.

The modified code is as follows:

var x = 1;

var y = '2';

var z = 0;

var total = x + parseInt(y) + z;

Therefore, the output of the addition operation in the modified code is "120".

Hence, the answer is 120.

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Answer:

y = \(\frac{13x}{10-8x}\)

Step-by-step explanation:

15x + 10y = 8xy + 28x ( subtract 15x from both sides )

10y = 8xy + 13x ( subtract 8xy from both sides )

10y - 8xy = 13x ← factor out y from each term on the left side

y(10 - 8x) = 13x ← divide both sides by (10 - 8x)

y = \(\frac{13x}{10-8x}\)

Answer:

y = 13x/10-8x

Step-by-step explanation:

15x + 10y = 8xy + 28x

10y = 8xy + 13x

10y - 8xy = 13x

y(10 - 8x) = 13x

y = 13x/10-8x

Using the hypergeometric distribution, it is found that there is a 0.0333 = 3.33% probability that all three tickets have no value.

The tickets are drawn without replacement, hence, the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

\(P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}\)

\(C_{n,x} = \frac{n!}{x!(n-x)!}\)

The parameters are:

In this problem:

The probability that all three tickets have no value is P(X = 0), hence:

\(P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}\)

\(P(X = 0) = h(0,60,3,20) = \frac{C_{20,3}C_{40,0}}{C_{60,3}} = 0.0333\)

0.0333 = 3.33% probability that all three tickets have no value.

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Answer:

a rational number

Step-by-step explanation:

We can conclude that the surface represented by the equation is an ellipsoid.

To reduce the given equation to one of the standard forms and classify the surface, we need to complete the square for the variables x, y, and z.

(a) Reducing the equation to one of the standard forms:

First, let's group the terms with x, y, and z separately:

9x^2 + y^2 + 9z^2 - 6y - 72z + 144 = 0.

Now, we complete the square for each variable by adding and subtracting appropriate constants:

9x^2 + (y^2 - 6y + 9) + 9z^2 - 72z + 144 - 9 - 144 = 0.

Simplifying the equation:

9x^2 + (y - 3)^2 + 9z^2 - 72z = 0.

Next, let's factor out the coefficients of x^2, y^2, and z^2:

9(x^2) + (y - 3)^2 + 9(z^2 - 8z) = 0.

To complete the square for z, we need to add (8/2)^2 = 16 to the equation:

9(x^2) + (y - 3)^2 + 9(z^2 - 8z + 16) - 9(16) = 0.

Simplifying further:

9(x^2) + (y - 3)^2 + 9(z - 4)^2 - 144 = 0.

Now the equation is in the standard form: (x^2)/(a^2) + (y - h)^2/(b^2) + (z - k)^2/(c^2) = 1.

(b) Classifying the surface:

Based on the standard form of the equation, we can classify the surface by examining the signs of the coefficients:

- The coefficient of (x^2) is positive, indicating an elliptic term.

- The coefficient of (y - 3)^2 is positive, indicating an elliptic term.

- The coefficient of (z - 4)^2 is positive, indicating an elliptic term.

From this analysis, we can conclude that the surface represented by the equation is an ellipsoid.

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Answer:

x=17

Step-by-step explanation:

you have to use the 2 secants rule

8(8+13) = 7(7+x) distribute in parenthesis

64+ 104 = 49 +7x  isolate variable

64+104-49 = 7x combine like terms

119 =7x divide both sides by 7

17 =x

answer:B. 90 good luck I hope you pass

The answer is B which is 90

Answer:

blue marbles: 4/15

red marbles: 8/15

Step-by-step explanation:

add all the marbles together then put how many marbles in front as the numerator.

Answer:

You stated the question, "Is the experimental probability of pulling a red cube greater than, less than, or equal to the theoretical probability of pulling a red cube?

Step-by-step explanation:

Therefore, this question makes no sense.

Answer:

y=-3.5x-9.5

Step-by-step explanation:

Answer:

Step-by-step explanation:

so we use the equation y2-y1=m(x2-x1)

let's say (-3,1) is point 1 and (-5,8) is point 2

we plug in what we know

8-1=m(-5-(-3))

subtracting a negative is the same as adding so -5 - (-3) = -2

7=-2m

divide both sides by -2

-7/2=m

-3.5=m

so slope intercept form is y=mx+b

we know the slope (m) but we still need the "b" which is the y-intercept.

so you pick whichever point you want (I'm going to chose point 1 but it doesn't matter) and plug it in

1=-3.5(-3)+b

1=10.5+b

-9.5=b

so the equation would be y=-3.5x-9.5

Answer:

es 51.75

Step-by-step explanation:

por que al sumar 45 + 15 porciento da 51.75

Answer:

I'd say maintenance plan.

Step-by-step explanation:

I know I'm super late but maintenance plan is important for long distances incase something goes wrong while you're too far from home or something.

A maintenance plan is important to consider when buying a car for commuting long distances to work.

The car is a four-wheeled road vehicle that is powered by an engine and is able to carry a small number of people.

The maintenance plan is important for long distances in case something goes wrong while you're too far from home or something.

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Answer:

405.7

Step-by-step explanation:

Answer:

its 9.9

Step-by-step explanation:

Answer: 7

Step-by-step explanation:

Distance (d) = √(4 - -3)2 + (5 - 5)2

= √(7)2 + (0)2

= √49

= 7

ΔX = 4 – -3 = 7

ΔY = 5 – 5 = 0

y = 0x + 5

When x=0, y = 5

Answer:

Step-by-step explanation:

D = SQRT(x 2 - x 1) 2 + (y 2 - y 1) 2

X2 Y2

(-3,5)

X1 Y1

(4,5)

D= SQRT (-3-4)^2 + (5-5)^2

D= SQRT 49

D=7

The equation for the purchase of n number of notebooks by Caitlin is

4n = c , where c is representing the cost that Caitlin paid.

The unitary approach is a strategy for problem-solving that involves first determining the value of a single unit, then multiplying that value to determine the required value.

Finding the value of a single unit using the unitary technique allows us to determine the value of the necessary number of units based on this value.

the price for one notebook was = $4 each

n number of notebooks were purchased by caitlin

therefore the cost price of 4 notebooks will be = 4 * n

as per given in the question cost price = c

therefore the equation formed will be

4n = c

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Answer:

You can try for the first pic x = 2 and 6 and you can try the second pic x = 0 and 3 (The ones that I put missing). If you need any help in them, I will help you out but try half of them by yourself. Hopw this helps, thank you :) !!

Look at the third picture. Maybe that would help you.

Answer:

41

Step-by-step explanation:

Use the Pythagorean Theorem to find the hypotenuse.

\(a^{2} +b^{2} =c^{2}\)

Plug in the values.

\(40^{2} +9^{2} =c^{2}\)

Simplify.

\(1600+81=c^{2}\)

Add.

\(1681=c^{2}\)

Take the square root of both sides.

\(\sqrt{1681}=\sqrt{ c^{2}\)

41=c

The angle subtended at the center of the arc is 102⁰

Recall that to find the length of an arc on a circle, we can use the formula L = r *, where r is the radius of the circle, is the central angle, and is the angle between the ends of the arc.  If the central angle is measured in degrees, we can use the formula L = r *, where r is the radius of the circle, is the central angle, and is the angle between the ends of the arc.

Lenght of arc = A/360 *2пr

A = angle at center = ?

п = 22/7 r = radius = 840 feet

⇒1500 = A/360  2 *22/7 * 840

1500 = 36960A/2520

3780000= 36960A

making A the subject we have

3780000/36960 = A

A = 102.27

A= 102⁰

The angle is 102⁰

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Answer:

Brainiest would be appreciated

High Hopes^^

Barry-

Answer:

The answer is shown below.

Hope this helps!

The general solution of the given second-order differential equation is

y = \(e^{5t}\)(\(c_{1}\)cost + \(c_{2}\)sint).

In the given question we have to find the general solution of the given second-order differential equation.

The given second-order differential equation is:

y'' − 10y' + 26y = 0

We can write this equation as

d^2(y)/dx^2 − 10dy/dx + 26 = 0

Let d/dx = D

then, d^2/dx^2 = D^2

Now the equation is:

(D^2 − 10D + 26)y = 0

Now solving the equation as a quadratic equation.

m^2 − 10m + 26 = 0

m = \(\frac{-(-10)\pm\sqrt{(-10)^2-4\times1\times26}}{2\times1}\)

m = \(\frac{10\pm\sqrt{100-104}}{2}\)

m = \(\frac{10\pm\sqrt{-4}}{2}\)

m = \(\frac{10\pm2i}{2}\)

m = 5±1

Now the general equation for quadratic equation is

y = \(e^{at}\)(\(c_{1}\)cosbt + \(c_{2}\)sinbt)

As a = 5 and b = 1

Now the general solution of the given second-order differential equation is y = \(e^{5t}\)(\(c_{1}\)cost + \(c_{2}\)sint).

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Answer:The midsegment of a trapezoid is parallel to each base, and its length is one-half the sum of the lengths of the bases. If MN is the midsegment of trapezoid ABCD, then MN || AB, MN || DC, and MN = (AB + CD).

Step-by-step explanation:

Answer:

MN is 1/2 of DC

Step-by-step explanation:

DC= 44

MN= 22