help me pls ajhhhh i need help

Given

3x = 6

Find

Which of the following above?

Explanation

as we have given , 3x = 6

here the property is division property of equality

as it states that when we divide the both sides of the equation by the same non - zero number , then the two sides remain equal.

3x = 6

3x/3 = 6/3

x = 2

Final Answer

Hence , the correct option is Division Property of Equality

Answer:

d

Step-by-step explanation:

cause its roght

The groups under consideration are (a) Not an isomorphism. (b) Isomorphism. (c) Not an isomorphism.

(a) The function f(x) = x^7, defined on the interval (0, ∞), is not an isomorphism between the groups ((0, ∞), ×) and ((0, 0), •) because it does not preserve the group operation. The group ((0, ∞), ×) is a group under multiplication, while the group ((0, 0), •) is a group under a different binary operation. Therefore, f(x) is not an isomorphism between these groups.

(b) The function h(x) = x + 3, defined on the set of real numbers R, is an isomorphism between the groups (R, +) and (R, +). It preserves the group operation of addition and has an inverse function h^(-1)(x) = x - 3. Thus, h(x) is a bijective function that preserves the group structure, making it an isomorphism between the two groups.

(c) The function g(x) = ln(x), defined on the interval (0, ∞), is not an isomorphism between the groups ((0, ∞), ×) and (R, +) because it does not satisfy the group properties. Specifically, the function g(x) does not have an inverse on the entire domain (0, ∞), which is a requirement for an isomorphism. Therefore, g(x) is not an isomorphism between these groups.

Learn more about multiplication here:

https://brainly.com/question/11527721

#SPJ11

When k = 1/2, the level curve is given by y - x² = 4. This is the equation of a shifted parabola, where the vertex is at (0,4) and the axis of symmetry is the y-axis.

(a) To sketch the domain of f(x, y) = 1/√(y - x²), first consider the restrictions:
1. The denominator cannot be zero: y - x² ≠ 0, or y ≠ x².
2. The square root cannot be negative: y - x^2 > 0, or y > x².
Thus, the domain of f(x, y) consists of all points (x, y) where y > x². This region can be sketched as a parabola opening upward (y = x²) with the region above the parabola being the domain.

(b) To sketch the level curves f(x, y) = k for k = 1 and k = 1/2, first set f(x, y) equal to k:
1. For k = 1: 1/√(y - x²) = 1, which implies y - x² = 1. The level curve for k = 1 is the graph of y = x² + 1, which is a parabola opening upward and translating one unit upward from the origin.
2. For k = 1/2: 1/√(y - x²) = 1/2, which implies y - x² = 4. The level curve for k = 1/2 is the graph of y = x² + 4, which is a parabola opening upward and translating four units upward from the origin.
These level curves can be sketched on the same graph with the domain, illustrating how the function f(x, y) behaves for the given values of k.

(a) To sketch the region that is the domain of f(x), we need to find the values of x and y that make the expression under the square root non-negative.
y - x² ≥ 0
y ≥ x²
This means that the domain of f(x) is all points (x,y) where y ≥ x². This is the region above the parabola y = x² in the xy-plane.

(b) To sketch the level curves f(x) = k, we need to find the equations of the curves where f(x,y) takes on a constant value of k.
1/ √ y - x² = k
√ y - x² = 1/k
y - x² = 1/k²
When k = 1, the level curve is given by y - x² = 1. This is the equation of a shifted parabola, where the vertex is at (0,1) and the axis of symmetry is the y-axis. When k = 1/2, the level curve is given by y - x² = 4. This is the equation of a shifted parabola, where the vertex is at (0,4) and the axis of symmetry is the y-axis.

Learn more about parabola here: brainly.com/question/31142122

#SPJ11

When k = 1/2, the level curve is given by y - x² = 4. This is the equation of a shifted parabola, where the vertex is at (0,4) and the axis of symmetry is the y-axis.

(a) To sketch the domain of f(x, y) = 1/√(y - x²), first consider the restrictions:
1. The denominator cannot be zero: y - x² ≠ 0, or y ≠ x².
2. The square root cannot be negative: y - x² > 0, or y > x².
Thus, the domain of f(x, y) consists of all points (x, y) where y > x². This region can be sketched as a parabola opening upward (y = x²) with the region above the parabola being the domain.

(b) To sketch the level curves f(x, y) = k for k = 1 and k = 1/2, first set f(x, y) equal to k:
1. For k = 1: 1/√(y - x²) = 1, which implies y - x² = 1. The level curve for k = 1 is the graph of y = x² + 1, which is a parabola opening upward and translating one unit upward from the origin.
2. For k = 1/2: 1/√(y - x²) = 1/2, which implies y - x² = 4. The level curve for k = 1/2 is the graph of y = x² + 4, which is a parabola opening upward and translating four units upward from the origin.
These level curves can be sketched on the same graph with the domain, illustrating how the function f(x, y) behaves for the given values of k.

(a) To sketch the region that is the domain of f(x), we need to find the values of x and y that make the expression under the square root non-negative.
y - x² ≥ 0
y ≥ x²
This means that the domain of f(x) is all points (x,y) where y ≥ x². This is the region above the parabola y = x² in the xy-plane.

(b) To sketch the level curves f(x) = k, we need to find the equations of the curves where f(x,y) takes on a constant value of k.
1/ √ y - x² = k
√ y - x² = 1/k
y - x² = 1/k²
When k = 1, the level curve is given by y - x² = 1. This is the equation of a shifted parabola, where the vertex is at (0,1) and the axis of symmetry is the y-axis. When k = 1/2, the level curve is given by y - x² = 4. This is the equation of a shifted parabola, where the vertex is at (0,4) and the axis of symmetry is the y-axis.

Learn more about parabola here: brainly.com/question/31142122

#SPJ11

Answer:

Below

Step-by-step explanation:

4 [x-3] + 2    = y    is not discontinuous anywhere

However    4 / [x-3]  + 2   DOES have a discontinuity at x = 3 because this would cause the denominator to be zero <===NOT allowed !!

Answer:

Step-by-step explanation:

45 meters is too long, 45 millimeters is too small. best choice would be 45 centimeters

Answer:

A. 4a + 3b + 5

B. 24

C. 8x - 12

Step-by-step explanation:

a + 2b + 5 + 3a + b

To simplify this, we'll want to group the similar terms together. In other words, put all of the a's first, then all of the b's, then just the numbers.

a + 2b + 5 + 3a + b

a + 3a + 2b + b + 5

Now, we want to add those similar terms, according to this:

a + a = 2a

So in our expression, we first have

a + 3a = 4a

then

2b + b = 3b

and finally 5, which is just... 5.

Thus, our expression simplified is:

4a + 3b + 5

Now let's do the same for the other expressions.

12 - a + a + 12

First, group them.

12 + 12 - a + a

Then, add them. Let's see, first 12 + 12:

12 + 12 = 24

Then -a + a:

- a + a = 0

24 + 0 = 24

Our 2nd expression, simplified, is just 24.

Finally,

4x - 12 + 4x

First group the x's:

4x + 4x - 12

And then add them, first 4x + 4x:

4x + 4x = 8x

And of course, -12 is just -12.

Thus, our third expression simplified is:

8x - 12

A. 4a + 3b + 5

B. 24

C. 8x - 12

Answer:

70.69

Step-by-step explanation:

46 2/3 divided by 2/3

46.66 divided by 0.66

The anwser is 70.69

If the cook makes twice as much beef then the number of hamburgers would be two times larger which would be 141.39.

Half as much beef would be 70.69 divided by two which is 35.34.

There are 7 oak trees and 4 maple trees in the community park, so the ratio of oak trees to maple trees can be written as 7:4.

What is ratio?

A ratio is a way of comparing two or more quantities. It is a way of expressing the relationship between two numbers in terms of their size. A ratio can be written in different ways, such as in the form of a fraction, as a decimal, or as a whole number.

We can also write the ratio in different ways, such as:

7/4 = 1.75 oak trees for every 1 maple tree

35:20 = 35 oak trees for every 20 maple trees

14:8 = 14 oak trees for every 8 maple trees

All of these ratios represent the same proportion, which is 7 oak trees to 4 maple trees.

To know more about ratios refer to:

brainly.com/question/13419413

#SPJ4

Answer:

AB=15  BD=18

Step-by-step explanation:

AB is 15 because AB=AC and AC is 15

BD:

Using the Pythagorean Theorem

10²+15²=√325

√325=18

10 is from AB-CD

15 is the height which is AC

Answer:

BD = 5, and AB = 15 :)

Answer: n = 600.25 ≈ 601 ( sample size)

the minimum sample size of the adults in United State who have sleep deprivation  is 601

Step-by-step explanation:

Given that;

the confidence level = 95% = 0.05

the Margin of error E = 4% = 0.04

∴  level of significance ∝ = 1 - C.L

∝ = 1 - (95/100)

= 0.05

Z∝/2 = 0.05/2 = 0.025

Z-critical value at 95% confidence level is OR level of significance at 0.025 = 1.96 (z-table)

Now to calculate the sample size, we say

n = (Z(critical) / M.E )² P ( 1 - P)

now we substitute

n =  (1.96 / 0.04)² × 0.5 ( 1 - 0.5)

n = 2401 × 0.5 × 0.5

n = 600.25 ≈ 601

Therefore the minimum sample size of the adults in United State who have sleep deprivation  is 601

Using the formula for the margin of error, it is found that a sample of 601 is needed.

In a sample with a number n of people surveyed with a probability of a success of \(\pi\), and a confidence level of \(\alpha\), we have the following confidence interval of proportions.

\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)

In which

z is the z-score that has a p-value of \(\frac{1+\alpha}{2}\).

The margin of error is:

\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)

95% confidence level

So \(\alpha = 0.95\), z is the value of Z that has a p-value of \(\frac{1+0.95}{2} = 0.975\), so \(z = 1.96\).

In this problem:

\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)

\(0.04 = 1.96\sqrt{\frac{0.5(0.5)}{n}}\)

\(0.04\sqrt{n} = 1.96(0.5)\)

\(\sqrt{n} = \frac{1.96(0.5)}{0.04}\)

\((\sqrt{n})^2 = \left(\frac{1.96(0.5)}{0.04}\right)^2\)

\(n = 600.25\)

Rounding up, a sample of 601 is needed.

A similar problem is given at https://brainly.com/question/25420216

the simplified expression is 129.

To simplify the expression 8² + 9(12 ÷ 3 × 2) - 7, we follow the order of operations, which is:

Parentheses (do the calculations inside parentheses first)

Exponents (do the calculations involving exponents)

Multiplication and Division (do these operations from left to right)

Addition and Subtraction (do these operations from left to right)

Using these rules, we can simplify the expression step by step as follows:

8² + 9(12 ÷ 3 × 2) - 7 (Apply parentheses first)

= 8² + 9(4 × 2) - 7 (Evaluate 12 ÷ 3 as 4 and then 4 × 2 as 8 inside the parentheses)

= 8² + 9(8) - 7 (Evaluate 9 times 8 as 72)

= 64 + 72 - 7 (Evaluate 8² as 64)

= 129 (Perform the final subtraction and add the remaining terms)

Therefore, the simplified expression is 129.

To know more about expression, visit: brainly.com/question/14083225

#SPJ4

The Cauchy-Schwarz inequality is a mathematical theorem that states that for any two sequences of real numbers, the sum of the product of the corresponding terms of the sequences is less than or equal to the product of the sums of the sequences.

In other words, it gives a bound on the dot product of two vectors in terms of their lengths. The Cauchy-Schwarz inequality is used in various fields of mathematics, including analysis, linear algebra, and optimization, and has numerous applications, for example in probability theory, statistics, and quantum mechanics.

In summary, the Cauchy-Schwarz inequality provides a powerful tool for bounding the dot product of two vectors in terms of their lengths, and has wide-ranging applications in various branches of mathematics and related fields.

Here you can learn more about Cauchy-Schwarz inequality

https://brainly.com/question/17074726#

#SPJ11

Answer:

5 ^ (1/12)

Step-by-step explanation:

5 ^ 1/3

-----------------

5 ^ 1/4

When we divide exponents with the same base, we subtract the exponents

5 ^ (1/3 -1/4)

Getting a common denominator

5 ^ ( 4/12 - 3/12)

5 ^ (1/12)

Answer:

\(\Huge \boxed{5^{\frac{1}{12}}}\)

\(\rule[225]{225}{3}\)

Step-by-step explanation:

\(\displaystyle \sf \frac{5^{\frac{1}{3}} }{5^{\frac{1}{4}} }\)

When dividing same bases, we subtract the exponents.

\(\displaystyle \sf 5^{\frac{1}{3}- \frac{1}{4} }\)

Making exponents have the same denominator.

\(\displaystyle \sf 5^{\frac{4}{12}- \frac{3}{12} }\)

Subtracting exponents.

\(\displaystyle \sf 5^{\frac{1}{12}}\)

\(\rule[225]{225}{3}\)

Answer:

B

Step-by-step explanation:

Hi!!

since they both equal y so we can set these equations equal to each other

60x+30=70x

-60x.        -60x

30=10x

/10. /10

3=x

3 hours is x and now we can fill in x to find y

y=70(3)

y=210

210 miles so B is the correct answer

Hopes this helps please mark brainliest

Answer:

The example of irrational are; 0.3030030003..... , 22/7 and others.

Step-by-step explanation:

Answer:

The answer is 120 sq. ft.

Gender and ethnicity are categorical variables and therefore, the standard deviation cannot be calculated for variables.

The standard deviation is a measure of the spread or dispersion of the data around the mean. In other words, it tells us how far each data point in a set is from the average of the set.

When we analyze data, it's important to understand how much variation there is in the data, and the standard deviation is one way to do this.

When it comes to the three dependent variables in the data set (gender, age, and ethnicity), it is important to understand that the standard deviation is only calculated for numerical data.

However, age is a numerical variable, and the standard deviation can be calculated for it.

To find the standard deviation of the ages, we need to first find the mean of the ages and then subtract each age value from the mean and square the result.

Next, we add up all the squared deviations and divide by the number of ages minus one. Finally, we take the square root of the result, and that gives us the standard deviation of the ages in the data set.

To know more about standard deviation here.

https://brainly.com/question/16555520

#SPJ4

One of the properties of an equilateral triangle is that all the sides are equal

From the statement given, each of the lengths of the triangle is at most 9 feet long means that each of the lengths is less than or equal to 9 feet

This can be represented mathematically as

The perimeter of an equilateral triangle is the addition of the three equal lengths i.e.

If x represents the perimeter, then

Answer:

16

Step-by-step explanation:

Answer:

16

Step-by-step explanation:

8 x 1/2=

8/1 x 2/1 = 16

Answer:

-6

Step-by-step explanation:

Answer:

-6

Step-by-step explanation:

When you divide fractions, you multiply the inverse.

So, -3/2 divided by 1/4 is -3/2 x 4/1 = -12/2

                                        Simplified = -6

Hope this helps:)

Answer:

x = 9

DE = 13

EF = 36

DF = 28

Step-by-step explanation:

DF = EF

7x - 35 = 4x - 8

3x = 27

x = 9

DE = x + 4 = 9 + 4 = 13

EF = 4x - 8 = 4(9) - 8 = 36

DF = 7x - 35 = 7(9) - 35 = 28

The value of line BD in parallelogram ABCD is 2units

A parallelogram is a quadrilateral with two pairs of parallel sides. The opposite sides of a parallelogram are equal in length, and the opposite angles are equal in measure. The Sum of all the interior angles of a parallelogram equals 360 degrees.

The perimeter of a parallelogram is 2(l+w)

if BD is x

AB = 3+2x

P= 2(3+2x+x)

18= 2(3+3x)

divide both sides by

9= 3+3x

subtract 3 fromboth sides

6= 3x

x = 2units

therefore BD= 2units.

learn more about parallelogram from

https://brainly.com/question/20526916

#SPJ1

To find the area of a triangle, we use the formula: Area = 0.5 * base * height. Given that the area of the right triangle is 18 square centimeters, we can use this information to find the values of the base and height.

Let's denote the base of the triangle as 'b' and the height as 'h'. We are given that the area of the right triangle is 18 square centimeters, so we can write the equation as 0.5 * b * h = 18. To find the values of 'b' and 'h', we need additional information. If we are provided with either the base or the height, we can solve for the other unknown. Without any further details, it is not possible to determine the exact values of the base and height.

However, we can explore different scenarios based on the given area of 18 square centimeters. For example, if the base is 6 centimeters, the height would be 6 centimeters as well (0.5 * 6 * 6 = 18). Similarly, if the base is 9 centimeters, the height would be 4 centimeters (0.5 * 9 * 4 = 18).

In summary, the area of a right triangle is found by multiplying half of the measure of its base by its height. With the given information of an area of 18 square centimeters, we can explore different combinations of base and height values that satisfy the equation 0.5 * base * height = 18. The specific values of the base and height would depend on additional information or constraints provided.

To learn more about right triangle click here:

brainly.com/question/30966657

#SPJ11

Answer:

VERTICALLY OPP ANGLES

Step-by-step explanation:

Answer:

The bike path

Step-by-step explanation:

A right triangle has a hypotenuse that can be found using the formula

a^2 + b^2 = c^2 where c is the hypotenuse

The street sign is obviously not correct because a hypotenuse is longer than the sides. The bathroom tile isn't correct either because 6^2 + 8^2 = 100, or 10 after you take the square root. That leaves the bike path.

Checking to make sure:

5^2 + 12^2 = c^2

25 + 144 = √169

√169 = 13

The scenario from the given scenarios involving a right triangle is: "A triangular bike path with lengths of 5 miles, 12 miles, and 13 miles", as the sides satisfy the Pythagoras theorem.

Any three line segments can form a right triangle only when they satisfy the Pythagoras Theorem, according to which, the square of the largest side in a right triangle is equal to the sum of the squares of the other two sides, that is, a² = b² + c², where a is the largest side, and b and c are the two other sides.

In the question, we are asked to identify from the given scenarios, the case that involves a right triangle.

We know that for three segments to be a right triangle, they need to satisfy the Pythagoras Theorem. So we check every scenario with the theorem:

∴ The scenario from the given scenarios involving a right triangle is: "A triangular bike path with lengths of 5 miles, 12 miles, and 13 miles", as the sides satisfy the Pythagoras theorem.

Learn more about the Pythagoras Theorem at

brainly.com/question/231802

#SPJ2

Applying the power of power rule, the completed equation is given as follows:

\(x^{10} = (x^5)^2\)

The power of a power rule is used when a single base is elevated to multiple exponents, and states that simplified expression is obtained keeping the base, while the exponents are multiplied.

Hence the missing exponent for this problem is obtained as follows:

2x = 10

x = 10/2

x = 5.

More can be learned about the power of a power property at brainly.com/question/11975096

#SPJ1

The variable costs to produce one widget is 6.00

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

E = 6.00 q + 11,000

The variable cost is the slope of the relation

Using the above as a guide, we have the following:

Fixed cost = 11000

Variable cost = 6.00

The above parameters mean that

The variable cost is 6.00

Read more about linear relation at

https://brainly.com/question/30318449

#SPJ1

Answer:

3/4

Step-by-step explanation: