Please Help ASAP! Simplify roots of negative numbers. Express your answer in simplified form.

Answer:

The answer is A

Step-by-step explanation:

i got it right on edge <3

Answer:

It is A

Step-by-step explanation:

The other guy is right

A variable is a characteristic or attribute that can take on different values. It is an observable and measurable property of an object or phenomenon, which can be used to describe and analyze it.

Parameters are used in inferential statistics to make conclusions about a population based on a sample of data.

(a) If you decide to select based on proportion of 10% from each group, the number of patients selected from each group would be: Group A = (10/100) x 100 = 10 patients Group B = (10/100) x 30 = 3 patients Group C = (10/100) x 30 = 3 patients.

(b) The classified groups can be named as follows: Group A = 10 years of education or less Group B = More than 10 years but less than or equal to 20 years of education Group C = More than 20 years of education.

(c) The sampling method employed in the selection process was stratified sampling. Stratified sampling is a type of probability sampling technique where the population is divided into homogeneous subgroups or strata, and the researcher selects a simple random sample from each subgroup or stratum.

The researcher chooses a proportion of participants from each subgroup to represent the population as a whole, which allows for more precise estimates of the population parameters than simple random sampling.

The sample is selected randomly from the stratified sample, which ensures that the sample is representative of the population.

A variable is a characteristic or attribute that can take on different values. It is an observable and measurable property of an object or phenomenon, which can be used to describe and analyze it.

Variables are used in research to test hypotheses, determine relationships between different phenomena, and make predictions about future outcomes.

A parameter is a numerical summary of a population, which describes a characteristic of the population. It is an unknown constant that can only be estimated from a sample of data.

Parameters are used in inferential statistics to make conclusions about a population based on a sample of data.

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The difference between Tom and Alfie is  1 kg

Let's call the weight of Tom T, the weight of Harry H, the weight of Freddie F, and the weight of Alfie A. We are given that T = H + 5, H = F + 3, and F = A - 2.

Substituting the second and third equations into the first equation gives us:

T = (A - 2) + 3 + 5

T = A - 2 + 3 + 5

T = A + 1

So the difference between Tom and Alfie is T - A = A + 1 - A = 1 kg.

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Answer:

This is an exponent problem. 3 to the power of 4 or maybe 5

Step-by-step explanation:

Each number in this pattern is multiplied by 3

Answer:

the answer is 18y thank me later mate

2. The transformations are given as follows:

3. The transformations are given as follows:

For item 2, the transformations in this problem are given as follows:

For item 3, the transformations are given as follows:

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A' - (-1,4)

B' - (-1,8)

C' - (-5,4)

hope this helps

Answer:

0.3048 i think

Step-by-step explanation:

Answer:

His total is $269

Step-by-step explanation:

8x19 = 152

6x19.50 = 117

152+117 = 269

(3, - 2)

1) As the rule of the function has been given to us. Let's find out which point fits in the Solution for:

y=-x/3 -1

As we can see, the y-intercept is b=-1

3) So, (3, - 2) is the solution. Since (3, -2) belongs to the blue line

Checking algebraically

y=-x/3 -1

-2= -3/3 -1

-2 = -2 TRUE!

-

=

Answer:

V=a3=33=27

Step-by-step explanation:

sorry if its wrong

Answer:

B. -y = -x

Step-by-step explanation:

When the values on both sides of the equal sign are changed, it becomes a negative number.

The contrapositive of the statement "x ⇒ y" is "-y ⇒ -x".

The correct option is B.

A conditional statement's contrapositive has the same truth value as the original assertion. This is a useful idea in logic and mathematics since it allows us to verify an argument's validity by demonstrating the contrapositive.

In other words, if we take the original implication "x ⇒ y" and negate both the hypothesis (x) and the conclusion (y), we get the contrapositive statement "not y ⇒ not x".

Note that the contrapositive statement is logically equivalent to the original statement "x ⇒ y".

In other words, both statements have the same truth value.

"not y ⇒ not x"  can be rearranged as "-y ⇒ -x".

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a) 400 ft in 15 seconds

d) 1200 ft in 45 seconds

Given:

Danny claimed the speed of his airplane was 27 feet per second

To find:

The statements in the options that support the above claim

rate of Danny's airplane = 27 ft/sec

a) rate = 400 feet in 15 seconds

We need tio get the rate in ft/sec

in 1 second = 400/15 = 26.67

Approximately, the rate = 27 ft/sec

b) rate = 3ft in 81 seconds

in 1 second = 3/81 = 0.037 ft/sec

c) rate = 1320 ft in 60 seconds

In 1 second = 1320/60 = 22

rate = 22 ft/sec

d) 1200 ft in 45 seconds

In 1 second = 1200/45 = 26.67

Approximately, rate = 27 ft/sec

The examples below that support his claim are the 1st and last option

Answer:

X-intercepts: (-5,0)

Y-Intercepts: (0,2)

Step-by-step explanation:

Step-by-step explanation:

x intercepts- (-5,0)

y intercepts- (0,2)

Answer:

Decision rule

   Reject null hypothesis

Conclusion

There is significance evidence that the true mean is different from 0.86

Step-by-step explanation:

From the question we are told that

  The population mean   \(\mu  = 0.86\)

   The  sample is  mean is \(\=  x  =  0.8708\)

  The standard deviation is  \(\sigma =  0.0068\)

The  level of significance is  \(\alpha  =  0.01\)

  The  sample size n =  3

The null hypothesis is  \(\mu =  0.86\)

The alternative hypothesis  is \(\mu \ne  0.86\)

Generally the test statistics is mathematically represented as  

    \(z =  \frac{\=  x  - \mu }{ \frac{\sigma}{\sqrt{n} } }\)

=> \(z =  \frac{ 0.8708 - 0.86 }{ \frac{0.0068}{\sqrt{3} } }\)

=>  \(z =  2.751  \)  

Generally  p- value is mathematically represented as

       \(p-value =  2 P(z >2.751   )\)

From the z-table  

        \(P(z >2.751 ) =  0.0029707\)

So

     \(p-value =  2 *  0.0029707\)

=>   \(p-value =  0.00594 \)

From the obtained question we see that  \(p-value  <  \alpha\)

Hence we reject the null hypothesis

The surface area and volume of the second cylinder are given in square millimeters and cubic millimeters, V =

The given dimensions for cylinders are:

r = 1.75 in, h = 2.2 in Surface Area of Cylinder:

S = 2πr² + 2πrh

The surface area formula of a cylinder is  S = (2 * pi * \(r^2\)) + (2 * pi * r * h).

S = (2 * 3.14 * 1.75²) + (2 * 3.14 * 1.75 * 2.2)

= 44.33 + 38.49

= 82.82 square inches.

Volume of Cylinder: V = πr²h

The formula to calculate the volume of a cylinder is given by V = pi * \(r^2\) * h.

Volume = 3.14 * 1.75² * 2.2 = 20.28 cubic inches.

Volume = π(1.75)²(2.2)

Volume ≈ π(3.0625)(2.2)

Volume ≈ 6.7375π cubic inches

The given dimensions for cylinders are: d = 4.3 mm, h = 2 mm

Surface Area of Cylinder: S = 2πr² + 2πrhS = (2 * 3.14 * 2.15²) + (2 * 3.14 * 2.15 * 2) = 67.65 square millimeters.

Volume of Cylinder: V = πr²hV = 3.14 * 2.15² * 2 = 28.33 cubic millimeters.

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The name of New York when Wall Street was first built was New Amsterdam.

Answer:

c

Step-by-step explanation:

thats my final awnser

Answer:

i think y = 10.4

Step-by-step explanation:

Answer:

B,E,F

Step-by-step explanation:

edge 2022

can I get brainiest pls

Answer:

-15.

Step-by-step explanation:

The temperature dropped 3°c every hour.

So, the change in temperature every hour = -3°C.

Total number of hours for which the temperature were changed =5.

Thus, the total change in temperature =  change for an hour x total number of hours,

= -3° x 5

= -15°.

Answer:

(2,33) which means x=2 and y=33.

Step-by-step explanation:

Substitute an x-value into the equation and solve for y:

Therefore, a solution to the linear equation could be (2,33)

The length of AB is AB = 8 units.

What is distance between two points?

The length of a straight line in the coordinate plane that connects two points in space is what is referred to as their distance. We use the absolute value to calculate the distance between any two points because it is impossible for this distance to be negative.

Consider, the given points A (-4, -3), B (4, -3), C (4, -7), D (-4, -7).

We have to find the length of AB.

Consider, the distance formula,

\(d = \sqrt{(x_2-x_1)^2 +(y_2-y_1)^2}\)

where,

\((x_1, y_1)\) and \((x_2, y_2)\) are the points.

Here,

\((x_1, x_2) = (-4, -3)\\(x_2, y_2) = (4, -3)\)

Plug these values in the above formula,

\(d = \sqrt{(4-(-4))^2+(-3-(-3))^2} \\d = \sqrt{8^2 +0^2} \\d = \sqrt{8^2} \\d = 8\)

Hence, the length of AB is AB = 8 units.

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Answer:

I think is there answer is 26.606

The ratios are;

Sin θ =  5/6

Cos θ = √11/6

Tan θ =  5√11/11

Sec  θ =  6√11/11

Cosec  θ = 6/5

Cot θ =  √11/5

These trigonometric ratios are used to relate the angles of a right triangle to the lengths of its sides

We can see that the hypotenuse is obtained from;

x =√\((10)^2 + (2\sqrt{} 11)^2\)

x = √100 + 44

x = 12

Then;

Sin θ = 10/12 = 5/6

Cos θ =  2√11/12

= √11/6

Tan θ = 10/2√11

= 20√11/44

= 5√11/11

Sec  θ =  1/Cos  θ

=  6/√11

= 6√11/11

Cosec  θ = 1/Sin

 θ = 6/5

Cot θ = 1/tan θ

= 11/ 5√11

= 55√11/275

= √11/5

Sinβ = 2√11/12

= √11/6

Cos β = 10/12

= 5/6

Tan β = 2√11/10

= √11/5

Sec β = 6/5

Cosec β = 6√11/11

Cot β = 5√11/11

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Using probability we know that we have full probability or 1 that we will draw a coin that will have ethe value of at least $0.10.

A probability is a numerical representation of the likelihood or chance that a specific occurrence will take place.

Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.

Simply put, probability is the likelihood that something will occur.

When we don't know how an occurrence will turn out, we can discuss the likelihood or likelihood of various outcomes.

So, we have the chart:

Penny = 2/5 = 0.4

Nickel = 1/5 = 0.2

Dime = 1/4 = 0.25

Then, the probability of getting a value of at least $0.10

P(E) = 3/3

P(E) = 1

Therefore, using probability we know that we have full probability or 1 that we will draw a coin that will have ethe value of at least $0.10.

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Answer: The equation would be Y= 50- 10.50(x)

Step-by-step explanation: If you were to solve, it would be 50-10.50(4). I got the 4 because that is how many packs you can spend without going over $50. So, 10.50 x 4 = 42. So, now we subtract 42 from 5, so therefore we are left with 8. So we could write the equation like

- Y= 50-10.50(x)

Or

- 50-10.50(x) = y

So, plugging in the numbers we got, it would look like this

Y= 8

X= 4

So, it would be written like this:

8= 50 - 10.50(4)

8= 50- 42

Y=8.

I hope this helped!

The equation in which y represents the amount left on the gift card after purchasing x card packages is given by y = 50 - 10.50x

An equation is a combination of different variables, in which two mathematical expressions are equal to each other.

Given that,

Total amount that can be spent = $50.

Cost of one Pokemon card package = $10.50.

Also, y represents the amount left after purchasing  x card packages.

Since, the price of one card package = $10.50

Price of x card packages = 10.50x

The equation for amount y left after purchasing x card packages

y = 50 - 10.50x

The required equation for amount left can be given as y = 50 - 10.50x.

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Answer:

Step-by-step explanation:

To find the product of the given fractions in lowest terms, we can multiply the numerators and denominators together, and then simplify the resulting fraction:

(24/18) * (2/17) * (34/3)

First, we can simplify the fractions by reducing any common factors in the numerators and denominators:

24/18 = (212)/(29) = 12/9 = 4/3

2/17 = 2/17

34/3 = (2*17)/3 = 34/3

Now we can multiply the simplified fractions:

(4/3) * (2/17) * (34/3) = (4234)/(3173) = 272/153

The product of the given fractions in lowest terms is 272/153.

Answer:

1/2

Step-by-step explanation:

Answer:

16

Step-by-step explanation:

3^x +1 = f(X)

2x-4 = g(x)

find f(2)-g(-1)

we substitute in function f(X) by value (2), and in function g(X) by value (-1)

1. 3^x +1 becomes 3^2+1 =9+1=10

2. 2(-1)-4= -2-4=-6

then f(2)-g(-1)

= 10-(-6) =10+6=16