a statewide sample survey is to be conducted. first, the state is subdivided into counties. seven counties are selected at random, and further sampling is concentrated on these seven counties. what type of sampling is this? multiple choice simple random systematic random sampling

Answer:

the first one is 24

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

supplementary angles sum to 180° , then

3x + 15 + 60 = 180 , that is

3x + 75 = 180 ( subtract 75 from both sides )

3x = 105 ( divide both sides by 3 )

x = 35

Answer:

\(h=25\)

Step-by-step explanation:

From the question we are told that:

Velocity \(v=40fts\)

The height h function

 \(\large h=-16t^2+40t\)

Generally time t is mathematically given by

 \(h'=-32t+40\)

 \(-32t+40=0\)

 \(t=\frac{40}{32}\)

 \(t=1.25\)

Therefore  the ball's maximum height is given as

  \(\large h=-16(1.25)^2+40(1.25)\)

 \(\large h=-16(1.25)^2+40(1.25)\)

 \(h=25\)

Answer:

D

Step-by-step explanation:

The domain of this function is all real numbers because you can see that there are no endpoints on the graph. The function is going off of the graph, which means it is continuing aka never-ending.

(-∞,∞) aka all real numbers

Answer:

Modal average is the number that appears the most

Modal average: 3

1+2+3+4+5=15

15/3=    Mean: 3

Step-by-step explanation:

add all the bedrooms and divide that sum by the number of numbers added. That's the mean.

Hope this helps.

A) 4 is the mode of the table

B)

1+2+3+4+5=15

15/5=3

Answer:

El modelo lineal del comportamiento de producción de autos es y=69*x -136865

Step-by-step explanation:

Una función real de variable real es una función lineal si es de la forma f(x)=mx+n o y=mx+n. Es decir, la ecuación de la función se corresponde con un polinomio de primer grado. La representación gráfica de una función lineal es siempre una recta. El coeficiente m recibe el nombre de pendiente de la recta y será el responsable de lo inclinada o “pendiente” que se encuentre la recta respecto del eje X mientras que b es el intercepto con el eje Y.

Teniendo dos puntos (x1,y1) y (x2,y2) se puede calcular la pendiente mediante la expresión:

\(m=\frac{y2-y1}{x2-x1}\)

Para encontrar el valor de b, una vez reemplazado el valor de m en la ecuación se sustituye los valores de x y de y por los valores de las coordenadas de uno de los puntos, sea el uno o el dos y se despeja b para así obtener su valor.

En este caso y representará la producción de autos mientras que x cada año de producción. Entonces se tiene los siguientes puntos: (2000; 1135) y (2010; 1825)

Por consiguiente, el valor de m será:

\(m=\frac{1825-1135}{2010-2000}\)

m=69

Entonces: y=69*x + b. Eligiendo el punto (2000; 1135) y reemplazando:

1135= 69*2000 + b

Se obtiene que el valor de b es:

1135= 138000 + b

-136865= b

Entonces el modelo lineal del comportamiento de producción de autos es y=69*x -136865

The mean amount of snow per day is equal to 19 cm snow per day.

In Mathematics and Geometry, the mean for this set of data can be calculated by using the following formula:

Mean = [F(x)]/n

For the total amount of snow based on the frequency, we have;

Total amount of snow (s cm), F(x) = 5(8) + 15(10) + 25(7) + 35(2) + 45(3)

Total amount of snow (s cm), F(x) = 40 + 150 + 175 + 70 + 135

Total amount of snow (s cm), F(x) = 570

Now, we can calculate the mean amount of snow as follows;

Mean = 570/30

Mean = 19 cm snow per day.

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

Answer:

Step-by-step explanation:

Divide 48,000 by 3 and it should be 16. so they all get 16,000

Answer:

1. a) (0,-6)

2. d) f(0)=-6

3. d

4. a (?)

Step-by-step explanation:

1. f(0)=-6, which is negative

2. f(0)=-6

3. when x=7, f(7)=0

4. domain: [-10,8] because x=-10 and 8 are included in the domain

Hopefully, this helps.

However, this is not a valid angle as angles cannot be negative, so there is no solution for x in this case.

An equation is a mathematical statement that asserts the equality of two expressions. It typically contains variables, coefficients, and mathematical operations such as addition, subtraction, multiplication, and division. The goal of solving an equation is to find the value(s) of the variable(s) that make the equation true. Equations can be used to model relationships between variables, solve real-world problems, and make predictions.

Here,

The sum of the angles in a triangle is 180 degrees, so we can write:

120 + 170 + 130 + x = 180

Simplifying, we get:

420 + x = 180

Subtracting 420 from both sides, we get:

x = 180 - 420

x = -240

Therefore, the value of x is -240 degrees.

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Using the Pythagorean Theorem and the given values, we can solve for c.

a^2 + b^2 = c^2
12^2 + 16^2 = c^2
144 + 256 = c^2
400 = c^2
√400 = √c^2
c = 20

Answer:

G=6

Step-by-step explanation:

Answer:

g = 6

Step-by-step explanation:

g/3 - 1 = 1

      +1    +1

g/3 = 2

(3)     (3)

g = 6

The binary string 01001010001100 is the number  9496 in decimal format.

This is further explained below.

Generally, The decimals that have the same total number of places after the decimal point are referred to as similar decimals. Equivalent decimals are different representations of the same decimal number that have the same numerical value.

For instance, 3.42 and 6.05 are equivalent to decimals since each number has two positions for the decimal point.

As an example, 0.3 and 0.30 are both considered to be comparable decimals since they both represent the same number.

The supplied binary string has one at positions 3, 4, 8, 10, and 13. (when counted from 0 starting from the unit place).

If there are any zeros in the provided number, the results of those locations will also be zero.

In conclusion, binary string 01001010001100 will be the figure

2^3 + 2^4 + 2^8 +2^10 + 2^13= 9496

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Answer:

\(h=4.67cm\)

Step-by-step explanation:

From the question we are told that

Volume \(V=336cm^3\)

Base Area \(Ba= 72 cm^2\)

Generally the equation for the volume of a pyramid is mathematically represented as

\(V=\frac{1}{2} B_a*h\)

Therefore

\(h=\frac{2V}{B_a}\)

\(h=\frac{336}{72}\)

\(h=4.67cm\)

Answer:

ok? what am i supposed to do

Step-by-step explanation:

Answer:

The answers are 2, 6, 10, 2.

Step-by-step explanation:

The range for the measure of the third side of a triangle given the measures of two sides (4 ft, 8 ft), is 4 ft < third side < 12 ft.

To find the range for the measure of the third side of a triangle given the measures of two sides (4 ft, 8 ft), we can use the Triangle Inequality Theorem.

According to the Triangle Inequality Theorem, the third side of a triangle must be less than the sum of the other two sides and greater than the difference of the other two sides.

Substituting the given measures of the two sides (4 ft, 8 ft), we get:

Third side < (4 + 8) ft

Third side < 12 ft

And,

Third side > (8 - 4) ft

Third side > 4 ft

Therefore, the range for the measure of the third side of the triangle is 4 ft < third side < 12 ft.

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The rational exponent form of the given equation is \(7x^{-\frac{9}{4}} = 4\).

Step 1: To rewrite the equation using rational exponents, we need to express the variable \(x\) with a fractional exponent.

Step 2: We start with the given equation \(7x - 9 - 4 = 0\). First, we move the constant term (-9) to the right side of the equation by adding 9 to both sides: \(7x - 4 = 9\).

Step 3: Next, we rewrite the equation using rational exponents. The exponent \(-\frac{9}{4}\) can be expressed as a rational exponent by applying the rule that states \(a^{-\frac{m}{n}} = \frac{1}{a^{\frac{m}{n}}}\).

Step 4: By applying the rule mentioned above, we rewrite the equation as \(7x^{\frac{9}{4}} = \frac{1}{4}\).

Step 5: Now we have the equation in rational exponent form, which is \(7x^{\frac{9}{4}} = \frac{1}{4}\).

Step 6: To find the real solutions, we can isolate \(x\) by raising both sides of the equation to the power of \(\frac{4}{9}\).

Step 7: Raising both sides of the equation to the power of \(\frac{4}{9}\) gives us \(7^{\frac{4}{9}}(x^{\frac{9}{4}})^{\frac{4}{9}} = \left(\frac{1}{4}\right)^{\frac{4}{9}}\).

Step 8: Simplifying further, we get \(7^{\frac{4}{9}}x = \left(\frac{1}{4}\right)^{\frac{4}{9}}\).

Step 9: Finally, we can solve for \(x\) by dividing both sides of the equation by \(7^{\frac{4}{9}}\), which gives \(x = \frac{\left(\frac{1}{4}\right)^{\frac{4}{9}}}{7^{\frac{4}{9}}}\).

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Answer:

$33.60

Step-by-step explanation:

$32.50 + $9.50 = $42.00

20% is changed to .20

Multiply 42.00 x .20 = $8.40 percentage discount

$42.00 - $8.40 = $33.60 is how much he spent

Hey there!☺

\(Answer:\boxed{\text{A. }24x+11}\)

\(Explanation:\)

\(8-4(x-7x)+3\)

In our first step, we will simplify:

\(8+24x+3\)

Now combine like terms:

\((24x)+(8+3)\\24x+11\)

A. 24x+11 is your answer.

Hope this helps!☺

Answer:

3/4 du côté du triangle

Step-by-step explanation:

triangle:

côté = c

périmètre = 3c

carré:

côté = a

périmètre = 3c = 4a

4a = 3c

a = 3/4 c

The area under the curve as 177,811,456 square units.

The given integral expression is ∫[((728y^2) - (8y^2 - 72)] dy.

The limits on the integral are the y-values where the curves intersect which is equals to ∫[((728y^2) - (8y^2 - 72)] dy = 576.

This integral expression can be simplified as ∫[(736y^2 + 72)] dy.

We will integrate this expression with respect to y.

The integral of 736y^2 with respect to y is 736(y^3)/3.

The integral of 72 with respect to y is 72y.

Therefore, the integration of [(736y^2 + 72)] with respect to y is 736(y^3)/3 + 72y + C.

On evaluating this expression with the given limit 576, we get the area as 177,811,456 square units.

We have been given the integral expression as ∫[((728y^2) - (8y^2 - 72)] dy and the limits on the integral are the y-values where the curves intersect.

To solve this integral, we first need to simplify the given expression.

Therefore, we can simplify the given integral expression as ∫[(736y^2 + 72)] dy.

Now, we will integrate this expression with respect to y.

On integrating 736y^2 with respect to y, we get 736(y^3)/3.

On integrating 72 with respect to y, we get 72y.

Therefore, the integration of [(736y^2 + 72)] with respect to y is 736(y^3)/3 + 72y + C.

We know that the area under a curve is given by the integral expression evaluated between the given limits.

Therefore, we can evaluate this expression with the given limit 576.

This will give us the area under the curve as 177,811,456 square units.

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2x + 5 = 17

2x = 17 -5

2x = 12

x = 12/2

x = 6

HAPPY TO HELP

Answer:

Step-by-step explanation:

2x+5=17

2x+5-5=17-5

2x=12

x=12/2 (Divide 12 by 2)

x=6

Hope it helps!

:D

Answer:

x = -3/2          x=2

Step-by-step explanation:

2x² - x-6=0

Factor

(2x     ) (x      ) =0

6 = 2*3

2*-2 +3 = -1

(2x  +3   ) (x  -2    ) =0

2x+3 =0      x-2 =0

2x = -3            x=2

x = -3/2          x=2

Profit fall in one year = 116.8$

What is profit?

In accounting, a profit is an income that is given to the owner throughout a successful market producing process. Profitability, which is the owner's primary interest in the income-formation process of market production, is measured by profit. There are several profit metrics that are frequently used.

Let cost price = C

And selling price before reducing = S

Profit for 1 day = S-C

Now, After reducing selling price to = S-0.32

Profit= S - 0.32 - C for 1 day

Profit fall by = (S-C)-(S - 0.32 - C)

                     = S - C - S + 0.32 + C

Profit fall by = 0.32 for 1 day

Profit fall by one year = 0.32×365

                                    = 116.8$

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The expression x + 80 represents the number of coins Arthur has now, since he x pennies and an additional 6 dimes and 4 nickels.

We shall convert the pennies, dimes and nickels into same unit before adding to get the expression for the number of coins Arthur will have in total.

A penny = 1 cent, so

x pennies = x cents

A dime = 10 cents so;

6 dimes = 6 × 10cents

6 dimes = 60 cents

A nickel = 5 cents so;

4 nickels = 4 × 5 cents

4 nickels = 20 cents

Arthur's coins in total = (x + 60 + 40) cents

Arthur's coins in total = (x + 80) cents.

Therefore, the expression expression x + 80 represents the number of coins Arthur will have in total, wether in pennies, dimes or nickels.

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Answer:

2.44

Step-by-step explanation:

12 1/2 / 5 =2.44

She cannot draw an array of 17 counters with three rows.

The given parameters are:

Counter = 17

Rows = 3

An array is represented as:

Array = Rows * Columns

Where Rows and Columns are integers greater than 0

So, we have

3 * Column = 17

Divide by 3

Column = 5.667

Recall that Rows and Columns are integers greater than 0

This means that she cannot draw an array of 17 counters with three rows.

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Answer:

.5

Step-by-step explanation:

2.5/5

Answer:1/2 of a time

Step-by-step explanation:

Answer:

<3 and <4 are supplementary

Step-by-step explanation:

<3 and <4 form a linear pair, so they are supplementary (=180 degrees)