Please help thank you!!

Answer:

6 hours

Explanation:

Ratio: 1:10

1:10

2:20

3:30

4:40

5:50

?:60

? = 6

Hope this helps!! ♥︎~

The price per pound of hamburger meat that Jamel spent is given as follows:

$2.8.

The price per pound is obtained applying the proportions in the context of this problem.

A proportion is used because the price per pound is obtained with the division of the total price by the number of pounds.

The parameters for this problem are given as follows:

Hence the price per pound is obtained as follows:

7/2.5 = $2.8.

The problem asks for the price per pound of hamburger meat spent by Jamel.

More can be learned about proportions at https://brainly.com/question/24372153

#SPJ1

We can conclude that the special tutoring session seems to have had a positive impact on the students' performance, as their mean score increased from below 60% to 70%.

We can conclude that the special tutoring session has been effective since the students' mean score increased from 60 percent to 70 percent on the second test.

The students who scored less than 60 percent on the first test were given a special tutoring session, which resulted in their mean score increasing to 70 percent on the second test.

Therefore, we can conclude that the special tutoring session has been effective in improving the students' performance on the second test.

Learn more about conclusion at

https://brainly.com/question/78686

#SPJ11

Answer:

Chord

Step-by-step explanation:

Notice that the highlighted part is the line segment that joins the points J and E on the circle, which is known as a chord.

Ten thousandths of a centimeter (1 micrometer) equals 4 centimeters, hence the real size to scale drawing ratio is 1: 32000.

In economics, ratios display how rarely one number has been contained in another. For instance, if there's 8 oranges and 6 grapes in a fruit arrangement, this same ratio of mangoes to lemons is 8 to 6. In a similarly, oranges and whole fruit ratio is 8 to 1, although lemons to tangerines ratio is 6 to 8. A ratio would be a non-zero ordered pair consecutive numbers, a and b, that is stated as a / b. A ratio is an equation that joins two ratios. The number can be written as 1:3, meaning that if there is 1 lad and 3 girls (she has 3 girls for every boy), 3/4 of the demographic is female and 1/4 is male.

given

The cell is 8 micrometers long.

Ten thousandths of a centimeter (1 micrometer) equals 4 cm in the scale drawing.

ratio scale = 1/1000*8*4

= 1/32000

Ten thousandths of a centimeter (1 micrometer) equals 4 centimeters, hence the real size to scale drawing ratio is 1: 32000.

To know more about ratio visit:

https://brainly.com/question/29467965

#SPJ1

Answer:

-5x/2 - 30

Step-by-step explanation:

Oop I placed it in the wrong spot

Place the give into the formula

f(g(x)) = f(x/2+4)

Plug it in

-5(x/2+4)+2

Simplfy

-5x/2-20-10

Answer:

-5x/2 - 30

Answer:

d

Step-by-step explanation:

Answer:

148.877 cubic meters.

Step-by-step explanation:

To find the volume of a cube, multiply the side length by itself 3 times (x^3).

Like this,

5.3 ⋅ 5.3 ⋅ 5.3 = 148.877

148.877 is the product.

Therefore, 148.877 is the volume of this cube.

Answer:

Angle BEA

Step-by-step explanation:

They share the same straight line and their degrees add to 180

According to the data, there is a 0.77% chance that red-flowered peas are 722. This rules out the scientists' assumption.

To calculate the probability that the peas with red flowers are 722, we must carry out the following mathematical operation (rule of three).

According to the above we can infer that the probability that the peas with red flowers are 722 is 0.77. It can be inferred that this amount of peas is high because it exceeds half of the peas by a considerable amount.

These results suggest that the scientists' assumption is wrong because peas are more likely to have red flowers.

Learn more about pea is: https://brainly.com/question/15154793

#SPJ1

The annual continuous (relative) growth rate would be approximately 9.53%(D).

To find the annual continuous growth rate, we can use the formula for continuous compound interest:

A = P * e^(rt)

Where:

A = final amount

P = initial amount

r = continuous growth rate

t = time

We know that the population grows by 10% each year, so the growth rate (r) can be calculated as follows:

r = ln(1 + 10%) = ln(1.1) ≈ 0.0953

Converting the growth rate to a percentage gives us approximately 9.53%. So D is correct option.

For more questions like Populations click the link below:

https://brainly.com/question/27991860

#SPJ11

Answer:

9/13, The numerator is always on top and the denominator is always on the bottom.

The equation x^(2) - y^(2) = 121 represents a hyperbola.

To graph the equation on a graphing calculator, follow these steps:

1. Set your calculator to graphing mode.

2. Enter the equation x^(2) - y^(2) = 121.

3. Adjust the viewing window if necessary to ensure the graph is visible.

4. Graph the equation.

The equation x^(2) - y^(2) = 121 is in the form of x^(2)/a^(2) - y^(2)/b^(2) = 1, which is the standard equation for a hyperbola. The positive coefficient of x^(2) and the negative coefficient of y^(2) indicate that the hyperbola opens horizontally.

To identify the center and intercepts of the hyperbola, we can compare the given equation with the standard form. In this case, the center of the hyperbola is (0, 0) since there are no additional constants or terms in the equation. The intercepts of the hyperbola occur where x = ±a and y = ±b. From the given equation, we can determine that a = 11 and b = 0, resulting in the x-intercepts at (-11, 0) and (11, 0).

To know more about hyperbolas, refer here:

https://brainly.com/question/19989302#

#SPJ11

Option A. Never. A correlation coefficient is a measure of the strength and direction of the linear relationship between two variables.

However, a strong correlation between two variables does not necessarily mean that one causes the other. This is because there may be other factors, known as confounding variables, that affect both variables simultaneously. Therefore, it is not appropriate to use a correlation coefficient to establish a causal relationship between two variables. In order to establish causality, more rigorous methods such as randomized controlled trials must be used, which attempt to isolate the effect of one variable on another while holding other factors constant.

Learn more about correlation coefficient here: brainly.com/question/15577278

#SPJ4

This matrix is not symmetric, skew-symmetric, or orthogonal and the eigenvalues of the matrix are: λ = (1 + √65) / 2 and λ = (1 - √65) / 2

Symmetric matrices are defined as matrices that are equal to their transpose, meaning that each element in the matrix is equal to the element in the corresponding position of the transpose.

A skew-symmetric matrix is a matrix whose transpose is the negative of itself. Orthogonal matrices are matrices whose inverse is equal to its transpose, meaning that the product of the matrix and its transpose is equal to the identity matrix.

To determine if it is orthogonal, we can check if it satisfies the condition for orthogonality, which is that its transpose is equal to its inverse.

The transpose of the matrix [1 4 -4 1] is:

[1 -4 4 1]

To find the inverse, we need to calculate the determinant of the matrix and the adjugate of the matrix. The determinant is:

(1)(1) - (4)(-4) = 1 + 16 = 17

The adjugate is:

[1 -4 -4 1]

So, the inverse of the matrix is:

[1/17 -4/17 -4/17 1/17]

The transpose of the matrix is not equal to its inverse, so this matrix is not orthogonal.

The spectrum of this matrix can be found by finding its eigenvalues. To do this, we solve for the values of λ that satisfy the characteristic equation:

det (A - λI) = 0

where A is the matrix [1 4 -4 1] and I is the identity matrix.

The determinant of A - λI is:

[1-λ 4 -4 1-λ]

[(1-λ)(1-λ) - (4)(-4) = (1-λ)^2 + 16]

So, we need to find the values of λ that satisfy:

(1-λ)^2 + 16 = 0

This equation can be solved using the quadratic formula:

λ = (-b ± √(b^2 - 4ac)) / 2a

where a = 1, b = -1, and c = -16.

So, λ = (-(-1) ± √((-1)^2 - 4(1)(-16))) / 2(1)

λ = (1 ± √(1 + 64)) / 2

λ = (1 ± √65) / 2

So, the eigenvalues of the matrix are:

λ = (1 + √65) / 2 and λ = (1 - √65) / 2

These are the eigenvalues of the matrix and make up its spectrum.

Learn more about Matrix at:

https://brainly.com/question/28180105

#SPJ4

Answer:

7.2

Step-by-step explanation:

Since the angle is equal, 24/(x+8.7)=13.1/8.7. x=7.2

Answer:

x ≈ 7.2

Step-by-step explanation:

Δ MNO and Δ MKL are similar, so the corresponding sides are in proportion, that is

\(\frac{MN}{MK}\) = \(\frac{MO}{ML}\) , substitute values

\(\frac{13.1}{13.1+10.9}\) = \(\frac{8.7}{8.7 +x}\)

\(\frac{13.1}{24}\) = \(\frac{8.7}{8.7+x}\) ( cross- multiply )

13.1(8.7 + x) = 208.8 ← distribute left side

113.97 + 13.1x = 208.8 ( subtract 113.97 from both sides )

13.1x = 94.83 ( divide both sides by 13.1 )

x = \(\frac{94.83}{13.1}\) ≈ 7.2 ( to the nearest tenth )

Answer:

312 m^2

Step-by-step explanation:

Start by separating the shapes.

you will get:

2 triangles with the dimensions 6m x 8m

1 rectangle with the dimensions: 9m x 8m

1 rectangle with the dimensions: 6m x 9m

1 rectangle with the dimensions: 10m x 9m

1) find the area of every shape

2 triangles with the dimensions 6m x 8m -----> 48m^2 and 48 m^2

1 rectangle with the dimensions: 9m x 8m ----> 72m^2

1 rectangle with the dimensions: 6m x 9m ----> 54 m^2

1 rectangle with the dimensions: 10m x 9m ---> 90m^2

2) add everything up

48m^2 + 48 m^2 + 72m^2 + 54 m^2 + 90m^2 =

312m^2

The estimated probability that at least two of the puppies will be female is 7/10 or 0.7 (70%).

To find the estimated probability that at least two of the puppies will be female, we need to analyze the given simulation results. Let's count the number of outcomes where at least two puppies are female:

Outcomes with at least two female puppies:

HHHH (4 female puppies)

HTTH (2 female puppies)

TTHH (2 female puppies)

HHHT (3 female puppies)

HHTT (2 female puppies)

HTHH (3 female puppies)

THTH (2 female puppies)

Out of the 10 outcomes, 7 of them have at least two female puppies.

Therefore, the estimated probability that at least two of the puppies will be female is 7/10 or 0.7 (70%).

Read more on probability here:https://brainly.com/question/13604758

#SPJ1

Answer:

y=4x-3

Step-by-step explanation:

We're given that the equation is linear (a line), so it must be in the form y=mx+b. We're also given that it contains the points (0,-3) and (1,1).

Plugging the values of the x and y coordinates in that first point, we get the equation -3=m*0+b, simplifying to -3=b. Therefore, the b-value is -3.

Next, we can plug in the values from the second point to get the equation 1=m*1-3, which simplifies to 1=m-3. Adding 3 to both sides, we get m=4. Therefore, the equation of the line is y=4x-3.

Note that -3 is the value where the line intercepts the y-axis, which means -3 is known as the y-intercept. The value of b is always the y-intercept.

The population mean is 8. Now, putting the values in the formula = (9+10+13+1+4+5)/(6-1) = 42/5. Therefore, the population variance is 4.9167.

Given,Population consists of the four members 5, 8, 9, 10.Total number of possible samples of size two which can be drawn without replacement from this population = 6.The possible samples are {5,8}, {5,9}, {5,10}, {8,9}, {8,10}, {9,10}.The sum of the values in each of the sample is as follows:{5,8} → 13{5,9} → 14{5,10} → 15{8,9} → 17{8,10} → 18{9,10} → 19Now, calculating the mean of all the possible samples of size two we get:Mean = (13+14+15+17+18+19)/6=96/6=16Therefore, the population mean is 16/2 = 8.2.

To find the population mean of a population, we use the formula;μ = ΣX/N Where,X is the value of each observation N is the total number of observations μ is the population mean .Given,Population consists of the four members 5, 8, 9, 10.Total number of observations = 4The sum of all observations = ΣX = 5+8+9+10 = 32Now, putting the values in the formula we get;μ = 32/4 = 8Therefore, the population mean is 8.To find the population variance of samples of size two, we use the  Where,N is the total number of possible samplesσ² is the population varianceS² is the sample variance of all possible samples of size two To calculate the sample variance of all possible samples of size two, we use the formula Where,X is the value of each sample  is the mean of the populationn is the size of the sampleGiven,Population consists of the four members 5, 8, 9, 10.Total number of possible samples of size two which can be drawn without replacement from this population = 6.The possible samples are {5,8}, {5,9}, {5,10}, {8,9}, {8,10}, {9,10}.First, we calculate the sample mean of all possible samples of size two using the formula Where,X is the value of each samplen is the size of the sample.

To know more about population mean visit :-

https://brainly.com/question/30324262

#SPJ11

The distributions of the numbers X and Y of resulting heads and tails [(pλ)^k / k! e^(-pλ)] [(1-p)^λ / (1-p+ p/k+1)]  and [(pλ)^m / m! e^(-pλ)] [(1-p)^λ / (1-p+ p/m+1)]. Here,  X and Y are independent.

Let X be the number of heads and Y be the number of tails. Then we have:

X + Y = N

We want to find the distributions of X and Y. Let's start with X:

P(X = k) = P(X = k | N = n)P(N = n)

where P(X = k | N = n) is the probability of getting k heads given that the number of flips is n. This is simply a binomial distribution with parameters n and p:

P(X = k | N = n) = (n choose k) p^k (1-p)^(n-k)

where (n choose k) is the binomial coefficient.

The probability of N being equal to n is given by the Poisson distribution:

P(N = n) = e^(-λ) λ^n / n!

Therefore, we have:

P(X = k) = ∑ P(X = k | N = n)P(N = n)

   = ∑ (n choose k) p^k (1-p)^(n-k) e^(-λ) λ^n / n!

   = e^(-λ) / k! ∑ (n choose k) p^k (1-p)^(n-k) λ^n

   = e^(-λ) / k! (pλ + (1-p)λ)^k ∑ ((pλ + (1-p)λ)/λ)^n / (k+1)^n

   = e^(-λ) / k! (pλ + (1-p)λ)^k e^(pλ+(1-p)λ) / (k+1)

   = [(pλ)^k / k! e^(-pλ)] [(1-p)^λ / (1-p+ p/k+1)]

The first factor in the last expression is the Poisson distribution with parameter pλ, which means that X has a Poisson distribution with parameter pλ.

Similarly,  Y has a Poisson distribution with parameter (1-p)λ is  [(pλ)^m / m! e^(-pλ)] [(1-p)^λ / (1-p+ p/m+1)]

Now we need to show that X and Y are independent. To do this, we need to show that for any values k and m:

P(X = k and Y = m) = P(X = k) P(Y = m)

Using the expressions we found earlier for P(X = k) and P(Y = m), we have:

P(X = k and Y = m) = e^(-λ) / k! [(pλ)^k e^(-pλ)] [(1-p)^m λ^m e^(-(1-p)λ)]

P(X = k) P(Y = m) = e^(-λ) / k! [(pλ)^k e^(-pλ)] [(1-p)^λ / (1-p+ p/m+1)] e^(-λ) / m! [(1-pλ)^m e^(pλ)]

Notice that the two expressions are the product of two factors, one depending on k only, and the other depending on m only. Therefore, the joint distribution of X and Y factorizes into the product of their marginal distributions, which means that X and Y are independent.

To know more about probability:

brainly.com/question/11234923

#SPJ4

Step-by-step explanation:

Please give brainliest

1a) 3√49

3 x √49

3x 7 =21

b) 2³√64

2 x √4

2x2 =4

c) (√x+2)²

the square will cancel the square root

= x+2

Answer:

These are correct

Step-by-step explanation:

1. a) 21

1. b) 8

1. c) x+2

2. a) x/10 and subtracting or simplifying it gives you the same answer

2. b) 2(3x-1)/ x+3 the operation is simplifying

2. c) 7x+2/ x(x+1) combine the fractions and find a common denominator

2. d) 6/x simplify

2. e) 2x^2 simplify or divide

3. a) 6x^3 y^4

3. b) 16a^2 b^6

3. c) 4x^2

3. d) 2

Answer:

1: z = 4.

2: y= 6.

3: w= 13.

4: a= 36.

Please like and mark brainliest!

Hope it helps!

Answer: Z is equal to 4, for the first one. The second one is Y equals 6. The 3rd one is W equals 13. The fourth and final one is A equals 36.

Step-by-step explanation:

Long Explanatio, but I gave the answers.

Answer:

sameeeeeeeeeeeeee

Step-by-step explanation:

Answer:

haha same here good luck though.

If we locate those points in a chart, we can see this is a linear function.in

in order to calculate its slope, we can select any two points (x1,y1) and (x2,y2)

and use the following formula

let's use

The volume of the prism would be enlarged by a factor of 8

The scale factor is given as:

k = 2

Let the initial volume be v and the final volume be V.

The relationship between both volumes is

V = k^3 * v

This gives

V = 2^3 * v

Evaluate

V = 8v

Hence, the volume of the prism would be enlarged by a factor of 8

Read more about dilation at:

https://brainly.com/question/3457976

#SPJ1

There are 360 black counters and 306 white counter in 20:17 ratio.

Let's denote the number of black counters by B and the number of white counters by W. We know that the ratio of black to white counters is 20:17, which means that:

B/W = 20/17

We also know that there are 54 more black counters than white counters, which means that:

B = W + 54

We can use substitution to solve for B. Substituting the second equation into the first equation, we get:

(W + 54)/W = 20/17

Cross-multiplying, we get:

17(W + 54) = 20W

Expanding the left side, we get:

17W + 918 = 20W

Subtracting 17W from both sides, we get:

918 = 3W

Dividing both sides by 3, we get:

W = 306

Now we can use the second equation to find B:

B = W + 54 = 306 + 54 = 360

Therefore, there are 360 black counters in the bag.

To learn more about ratio click here

brainly.com/question/13419413

#SPJ4

Answer:

so you will put the point above the zero across from 6

the slope is rise/run

Step-by-step explanation:

The statement that describes parallelism is option C: a surface of revolution having all points equidistant from a common axis. Parallelism refers to the condition in which lines or surfaces are equidistant and never meet.

In the case of surfaces of revolution, all points on the surface are equidistant from a common axis, which makes them parallel to each other. This means that any two points on the surface of the revolution will have the same distance from the axis. Parallelism is an important concept in geometry, engineering, and architecture as it allows for the construction of structures and machines that require precise and uniform spacing. Equidistance is also a key aspect of parallelism as it ensures that all points on the surface maintain the same distance from the axis, thereby preserving the parallel condition.

In summary, option C, "a surface of revolution having all points equidistant from a common axis," is the statement that describes parallelism.

Learn more about parallelism here:

https://brainly.com/question/14288776

#SPJ11

The graph that represents the geometric sequence f(x) = (1) ∙ (2)^(x-1) is graph C.

A geometric sequence is a sequence of numbers where each term is equal to the previous term multiplied by a constant value, called the common ratio. In this case, the common ratio is 2. This means that the first term of the sequence is 1, the second term is 1 * 2 = 2, the third term is 2 * 2 = 4, and so on.

The graph of a geometric sequence is a curve that gets closer and closer to the y-axis as x gets larger. This is because the terms of the sequence get smaller and smaller as x gets larger. In the case of the sequence f(x) = (1) ∙ (2)^(x-1), the terms of the sequence get smaller and smaller as x gets larger because the common ratio is 2, which is greater than 1.

Graph C is the only graph that meets all of these criteria. The curve in graph C gets closer and closer to the y-axis as x gets larger. This is because the terms of the sequence f(x) = (1) ∙ (2)^(x-1) get smaller and smaller as x gets larger. Therefore, graph C is the graph that represents the geometric sequence f(x) = (1) ∙ (2)^(x-1).

for more such questions on geometric sequence

https://brainly.com/question/29681849

#SPJ8