il give you brainlist

**Answer: A**

**Step-by-step explanation:**

Find the domain & range(Select the correct answer below & fill in the box to complete the choice.)A. The domain is the interval ____(Write your answer in interval notation.)B. The domain is the set {_____}(Use a comma to separate answers as needed. Write each answer only once.)——————————————————A. The range is the set {_____}(Use a comma to separate answers as needed. Write each answer only once.)B. The range is the interval ____(Write your answer in interval notation.)

The domain of a function is the set of x values the function uses as inputs; from a graph the domain is the x-values that the graph take on the x-axis; in this case, since we have an infinite amount of x-valeus the function uses we will write the domain as an interval. **The domain is:**

Similarly, the range is the set of values the function takes on the y-axis, from the graph we notice that **the range is:**

A man walked 5 miles right and read a sign that said "20 miles north to Atlanta". How far is Atlanta from the starting point?

**ANSWER**

Atlanta is **20.62 miles** away from the starting point

**EXPLANATION**

This is a diagram of this problem

We're looking for the hypotenuse of this right triangle. Using the Pythagorean theorem:

[tex]\begin{gathered} d^2=5^2+20^2 \\ d=\sqrt[]{25+400} \\ d=\sqrt[]{425} \\ d\approx20.62\text{ miles} \end{gathered}[/tex]he volume of a cylinder with height

h

h and radius

r

r can be found using the formula

V

=

π

r

2

h

V=πr2h

Find the volume of a cylinder with radius 6 feet and height 9 feet, rounded to 1 decimal place.

**Answer:**

1018.3

**Step-by-step explanation:**

The volume of a cylinder=πr2h

=22\7*6*6*9

=1018.3

therefore, the of the cylinder is 1018.3

Help me to find the measure of angles 1 2 and 3!

**Given:**

Given the diagram

**Required: **The measure of angles 1, 2 and 3.

**Explanation:**

The sum of interior angles of a triangle is 180 degrees. So,

[tex]\begin{gathered} x+55^o+70^o=180^o \\ x=180^o-55^o-70^o \\ =55\degree \end{gathered}[/tex]The angles x and 1 are supplementary angles, that is, the sum of angles 1 and x gives 180 degrees.

[tex]\begin{gathered} x+m\angle1=180\degree \\ 55\degree+m\angle1=180\degree \\ m\angle1=180\degree-55\degree \\ =125\degree \end{gathered}[/tex]The angle 2 is the opposite angle of 55 degrees. Hence angle 2 equals 55 degrees, that is,

[tex]m\angle2=55\degree[/tex]Angle y and 150 degrees are supplementary angles. So,

[tex]\begin{gathered} y+150\degree=180\degree \\ y=180\degree-150\degree \\ =30\degree \end{gathered}[/tex]The sum of the interior angles of a triangle equals 180 degrees.

[tex]\begin{gathered} m\angle2+m\angle3+y=180\degree \\ 55\degree+m\angle3+30\degree=180\degree \\ m\angle3=180\degree-55\degree-30\degree \\ =95\degree \end{gathered}[/tex]**Final Answer: **

The test statistic for an ANOVA hypothesis test is an F-statistic. Is the P-value the area to the right or left the F-statistic?

The **test statistic** for the anova is an **F test **and it is said to be positively skewed which would be to the right of the F test statistic.

This is the term that is used to refer to the short form of the term that says analysis of variance.

The **ANOVA** is used to show the variation that would be in existence of a group of observations.

The** F test** is known to be positively skewed at all times. So we would have it that the P value would have to be to the** right** and not to the left in the ANOVA hypothesis.

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Questiona + 4 = 10. If a must be equal to one of the values below, what is the value of a?Select the correct answer below:4679

[tex]6[/tex]

**1) **In this question, we can solve it in two different ways. Either algebraically, or by mental Math.

**2) **Algebraically we have:

By mental math, we just need to ask ourselves how much can I add to 4 and get 10,? The answer will be **six.**

**3) Thus, the answer is 6**

Which of the following represent(s) the commutative law of addition?1.6 X 5 = 5 x62.6 + 5 = 5 + 63.6–5 = 5-64.2 and 33 only1 and 42 only

Given:

Commutative law of addition.

[tex]6+5=5+6[/tex]**2 only **is the correct answer.

Solve the following polynomial equation by grouping and factoring. 36y^3−49y=0

Given:

[tex]36y^3-49y=0[/tex]solve for y:

[tex]\begin{gathered} 36y^3-49y=0 \\ y(36y^2-49)=0 \\ y=0;36y^2-49=0 \end{gathered}[/tex]Value of y is zero and

[tex]\begin{gathered} 36y^2-49=0 \\ 36y^2=49 \\ y^2=\frac{49}{36} \\ y=\pm\sqrt[]{\frac{49}{36}} \\ y=\pm\sqrt[]{1.361111} \\ y=\pm1.166 \\ y=1.166,y=-1.166 \end{gathered}[/tex]In a study of randomly selected women science majors, the following data were obtained on two groups, those who left their profession within a few months after graduation (leavers) and those who remained in their profession after they graduated (stayers). Test the claim that those who stayed had a higher science grade point average than those who left. Use α = 0.05.

X₁: science GPA for those who left their profession after graduation

X₂ science GPA for those who remained in their profession after graduation.

The working hypothesis is that the GPA of those who stayed is higher than those who left.

Which is the same as saying that the GPa of those who left is less than those who stayed.

μ₁ represents the population mean of the science GPA of those who left.

μ₂ represents the population mean of the science GPA of those who remained.

Part one

You can express the working hypothesis as follows:

[tex]\mu_1<\mu_2[/tex]The hypothesis does not include the equal sign, so this hypothesis can be considered as the **alternative hypothesis**.

The null hypothesis of this test will be the complement of the alternative hypothesis, and always carries the equal sign within. So if the alternative hypothesis states that "the mean of the leavers is less than the mean of the stayers", then the null hypothesis will be that "the mean of the leavers is greater than or equal to the mean of the stayers" you can symbolize this as:

[tex]\mu_1\ge\mu_2[/tex]Since the null hypothesis carries the equal sign you can also write it as:

[tex]\mu_1=\mu_2[/tex]Both options are equally valid.

So, the second answer is **null hypothesis.**

Part two

Considering that we are studying the population means of two normal variables and that we know the population standard deviation for both populations, the test statistic to use is the standard normal for the difference of means which is defined as follows:

[tex]Z=\frac{(\bar{X_1}-\bar{X_2})-(\mu_1-\mu_2)}{\sqrt[]{\frac{\sigma^2_1}{n_1}+\frac{\sigma^2_2}{n_2}}}N(0,1)[/tex]Subindex 1 indicates the values corresponding to the "leavers":

X₁bar= 3.16

n₁= 103

σ₁= 0.52 → σ₁²= 0.2704

Subindex 2 indicates the values corresponding to the "stayers":

X₂bar= 3.28

n₂= 225

σ₂= 0.46 → σ₂²= 0.2116

Under the null hypothesis both population means are equal, which means that their difference is equal to zero:

If μ₁ = μ₂, then μ₁ - μ₂ = 0

Replace all values on the formula to determine the Z-value under the null hypothesis, i.e. the test statistic:

[tex]undefined[/tex]

Balloon A is released 5 feet above the ground. Balloon B is released at ground level. Both balloons rise at a constant rate. Which situation can you represent using an equation of the form y = kx? Explain.

Table for Balloon A shows that the balloon reaches 9ft in 1s, 13ft in 2s, 17ft in 3s. Table for Balloon B shows that the balloon reaches 4ft in 1s, 8ft in 2s and 12ft in 3s.

**Answer: Balloon B**

**Step-by-step explanation:**

The distance, in feet, is always four times the time, in seconds.

HELP FAST. Please explain how to find the answer for the equation step by step.

The **equation **for the given **summation **is:

[tex]\sum_{n=1}^4 u_n = u_1 + u_2 + u_3 + u_4[/tex]

How to find the equation?Here we have a **summation **of unknown terms of the form:

uₙ

That **summation **goes between n = 1 and n = 4, this means that we will have a sum of 4 terms, such that:

[tex]\sum_{n=1}^4 u_n[/tex]

Means that we need to sum the terms u₁, u₂, u₃, and u₄, then we can write the **equation**:

[tex]\sum_{n=1}^4 u_n = u_1 + u_2 + u_3 + u_4[/tex]

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21/24 simplified plsssssssssssssssssssssssss

21/24 simplified is 7/8

(Divide both 21 and 24 by the greatest common factor, 3)

(Divide both 21 and 24 by the greatest common factor, 3)

**Answer:**

7/8

**Step-by-step explanation:**

The total value of the invoice is Q.10,000.00, the customs agent will be paid 3 per thousand. What amount will we pay you?

**3 per thousand? **

10000 ------------------------- 1000

x ------------------------ 3

x = (3 x 10000)/1000

x = 30000/1000

** x = 30**

**The answer is 30**

For each system choose the best description of a solution if applicable give the solution

**ANSWER**

The system has no solution

**EXPLANATION**

We want to find the solution to the system of equations given:

[tex]\begin{gathered} x+4y-4=0 \\ -x-4y=4 \end{gathered}[/tex]From the first equation, make x the subject of the formula:

[tex]x=4-4y[/tex]Substitute that into the second equation and simplify:

[tex]\begin{gathered} -(4-4y)-4y=4 \\ -4+4y-4y=4 \\ \Rightarrow4y-4y=4+4 \\ 0=8 \end{gathered}[/tex]As we can see, the two sides of the equality sign have two different values.

This implies that **the system of equations has no solution.**

Y-Intercept: x-intercept: y 소 4 3+ 2+ 1- HX 1 2 3 4 -2+ -3 -47 -1413121110-9-8-7-6-5-4-3-2 -61 - 77 -8+ -9+ -10 -11+ -12+ -13+ -141

**Input data **

Graph

**Procedure**

y-intercept

Y-Intercept of a Straight Line. Where a line crosses the y-axis of a graph.

**(0, -6)**

x-intercept

The x-intercept is the point where a line crosses the x-axis

**(-8,0)**

Eva and her friend are making friendship bracelets. Eva has 11 meters of yarn, and she gives

2 meters of the yarn to her friend. Each bracelet uses 1 1/2 meters of yarn. How many bracelets can Eva make with the yarn she has left?

Let n equal the number of bracelets Eva can make.

Write an equation that represents the situation.

6 **bracelets **Eva can make with the yarn she has left with .

The **equation** is [tex]\frac{3n}{2}=9[/tex]

**Algebra** is a branch of mathematics that helps translate real-world situations or problems into mathematical truths. Mathematical operations like** addition**, **subtraction**, **multiplication**, and **division **are needed in addition to **variables** like x, y, and z to construct a meaningful **mathematical expression**. All branches of mathematics, such as **calculus**, **trigonometry**, and **coordinate geometry**, employ algebra. A fundamental algebraic expression is 2x + 4 = 8, which results from operations like addition, subtraction, multiplication, and division on variables and **constants**. **Algebraic expressions** are obtained as the mathematical statement.

Eva has 11 meters of yarn and she gives 2 meters of the yarn to her friend

Now she left with 11 -2 = 9

As Each bracelet uses [tex]\frac{3}{2}[/tex] meters of yarn

n braclet = [tex]\frac{3n}{2}[/tex]

9= [tex]\frac{3n}{2}[/tex]

n = [tex]\frac{18}{3}[/tex]

=6

6 **bracelets **Eva can make with the yarn she has left with .

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A cyclist rides his bike at the speed of 11 ft per second what is the speed in miles per hour how many miles will the cyclist travel in 5 hours in your computations use the fact that one mile is equal to 5280 ft do not round your answers

The** speed **of the cyclist in miles per hour is 7.5 miles per hour. The distance covered by the cyclist in 5 hours is 30 miles.

According to the question,

We have the following information:

A cyclist rides his bike at the speed of 11 ft per second.

Now, it is given that we have to use 1 mile = 5280 ft.

So, we have:

1 ft = 1/5280 miles

We know that there 3600 seconds in 1 hour.

1 seconds = 1/3600 hour

So, we have the speed in miles per** hour:**

11*(1/5280)/(1/3600)

(11*3600)/5280

7.5 miles per hour

**Time** taken = 5 hours

Speed = 7.5 miles per hour

Distance = speed*time

Distance = 7.5*5

Distance = 30 miles

Hence, the speed of the cyclist in miles per hour is 7.5 miles per hour. The distance covered by the cyclist in 5 hours is 30 miles.

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Calculate the root mean square velocity, in m/s, of Ne at 273.0 K. Assume ideal gas behavior.

I meant to put this in chemistry

The **root mean square** velocity of Neon, in m/s as required in the task content is; 18.45 m/s.

It follows from the task content that the root mean square velocity of Neon is to be determined.

Since the molar mass of Neon is; 20 while the gas constant, R = 8.314 and T = 273K.

It follows from the **root mean square **velocity formula that we have;

R.M.S = √(3RT/M)

R.M.S = √{(3×8.314×273)/20}

R.M.S = √340.46

R.M.S = 18.45 m/s.

Hence, the **root mean** square velocity of Neon, Ne under the given condition is; 18.45 m/s.

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consider a quadrilateral and its diagonals.wich conjecture below would best describe a quadrilateral whose diagonals divide into four isosceles triangles

Isosceles triangle have 2 equal lengths

Square or Rectangle have 4 equal teiangles

Isosceles trapezoid also divides

Then answer is

Isosceles trapezoid. Option A)

find the absolute value of each number -1/3, 6 & -0.2

The absolute number of an integer is the distance that separates the number from position zero "0" so, if it is a distance it cannot be a negative value.

Then the absolute value of these numbers is:

After 6 weeks, a plant is 11 inches tall. After 8 weeks, it is 13 inches tall. After 10 weeks, it is 15 inches tall.

Write an equation to describe the relationship between the height of the plant, y, and the number of weeks it has been growing, x

The** equation** to describe the relationship between the height of the plant and the number of weeks is

y = x + 5

Given,

The height of the plant = x

The number of weeks = y

The height of plant at 6th week = 11 inches

The **height** of plant at 8th week = 13 inches

The height of plant at 10th week = 15 inches

We have to find the equation to describe the **relationship** between the height of the plant and the number of weeks.

Lets see,

x = 6 and y = 11, y – x = 11 – 6 = 5

x = 8 and y = 13, y – x = 13 – 8 = 5

x = 10 and y = 15, y – x = 15 – 10 = 5

That is,

y – x = 5.

y = x + 5

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Find the numerical value if x=4 and y=34x2(squared)+7y=?

To find the numerical value of the expression, we have to replace the variables for their given values. This way:

[tex]\begin{gathered} 4x^2+7y \\ 4(4)^2+7(3) \\ 4\cdot16+21 \\ 64+21 \\ 85 \end{gathered}[/tex]The numerical value of the expression is 85.

What is 3/7 + 4/18 estimated 0 1/2!or 1

**1 .**

Notice that 3/7 is close to 1/2 and 5/9 is also close to 1/2.

Therefore, an estimate for 3/7 + 5/9 is 1/2 + 1/2 = 1.

To **estimate fractions** using mental math, start by simplifying the fraction to the lowest possible denominator. Then, look at the fraction and round it to the nearest fraction that you feel comfortable working with which could be ¼, ⅓, ½, ¾, or even 1.

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WILL GIVE BRAININESS HELP PLEASE Which function is increasing at the highest rate?

The first equation is** increasing at highest rate**.

Which f**unction has highest increasing rate**?

We can know which function has the** highest rate of increase** by looking at its slope. The function with the highest slope will have the highest rate.

In equation first m = 2 and is highest among every slope.

12x - 6y = -24

-6y = -12x -24

y = 2x +4

m = 2 (increasing)

In second equation m = 1

m = (-4 + 5)/(2-1) = 1

for a straight line function , the slope is given by

m = ( y₂ -y₁)/(x₂-x₁)

m = ( -3 -3)/(2- (-1)) = -6 /3 = -2

Therefore the function is decreasing

8,0) (0,-4)

m = (-4 -0) /(0-8) = 4/8 = 1/2

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TRIGONOMETRY Find the magnitude and the direction of the resultant vector

Step 1:

Write the given vectors

[tex]\begin{gathered} \bar{V}\text{ = ( 10 , 9 )} \\ \bar{W}\text{ = (-6 , -2 )} \end{gathered}[/tex]Step 2

Resultant vector = [ 10 + (-6) , 9 + (-2) ]

= ( 4 , 7 )

Resultant vector = 4i + 7j

Step 3

[tex]\begin{gathered} \text{Magnitude = }\sqrt[]{4^2+7^2} \\ \text{Magnitude = }\sqrt[]{16\text{ + 49}} \\ \text{Magnitude = }\sqrt[]{65} \\ \text{Magnitude = 8.1} \end{gathered}[/tex]Step 4:

[tex]\begin{gathered} \text{Direction }\theta=tan^{-1}(\frac{4}{7}) \\ \text{Direction = 29.7} \end{gathered}[/tex](g) distance from the x-axis is equal to the distance to the y-axis.

Part a

Remember that the ordinate is the y-coordinate and the abscisa is the x-coordinate

so

(x, 2x+1)

y=2x+1

Part b

[tex](\frac{1}{2}y^2,y)[/tex]x=(1/2)y^2

Part c

x^2+y^2=25

Part e

y=2

Part f

x=7

Part g

x=y

Part h

[tex]\sqrt[\square]{x^2+y^2}=5[/tex]Part i

[tex]\sqrt[\square]{(x-2)^2+(y-3)^2}=5[/tex]Simplify these below with explainations please. Thank you

**Answer:**

3x^5y^8

**Step-by-step explanation:**

so the cube root of 27 is 3

to find the cube root of x^15 divide the exponent by 3 which gets you x^5

do the same thing for y^24 and that gets you y^8

mhm and i think thats right

A bag contains 42 red, 42 green, 20 yellow, and 32 purple candies. You pick one candy at random. Find the probability that it is purple or not red

**Answer:**

47/68

**Step-by-step explanation:**

total candies=136

not red candies=94

94/136=47/68

Here are the approximate populations of three cities in the United States, expressedin scientific notation: San Jose: 1.1 x 10^6; Washington: 7 x 10^5 ; Atlanta: 4.8 x 10^5.a. Lin says that about 6.2 x 10^5 more people live in San Jose than in Atlanta. Doyou agree with her? Explain your reasoning.Your answer

Lin says that about 6.2 x 10^5 more people live in San Jose than in Atlanta. To find if she is right you substract the population of Atlanta from the population in San Jose:

Substraction of numbers in scientific notation:

1. Turn the numbers to get the same power of base 10.

You move to the left the decimal to increase the power of base 10 and move to the right to g

[tex]undefined[/tex]what is the ansss??? btw this is a practice assignment.

**A) Check the graph below, please. B) Horizontal translation to the left in 2 units. C) Vertical shift 4 units**

1) Given that we have the function h(x) = |x+2| and g(x)= |x| + 4

**A**) Let's set a pair of tables, and pick 3 arbitrary values for x and then plug into each one

h(x) = |x+2|

x | y = |x+2|

-1 | 1 y =|-1 +2| = |1| = 1

0 | 2 y =|0+2| = |2| = 2

1 | 3 y =|1+2| = |1| = 1

g(x) =|x| + 4

x | y

-1 | 5

0 | 4

1 | 5

Let's plot those absolute value functions:

**B**) Considering the parent function f(x) =|x| we can notice that h(x) is a **translation to the left, in two units.** This we can see better this way:

Note that f(x) is in red, and h(x) in pink or light red.

**C) **Considering that f(x) = |x| we can see that g(x) = is a **vertical shift 4 units up.**

simplify (3^-2)^4 A 1/3^2B 3^2C 1/3^8D 3^8
Find the value of x.1714X = 93x = 93x= 3x = 485
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find the percent of change. Round to the nearest whole percent original:26 new:30
prism associates purchases framed prints from a local artist and mails one to each of its three favorite clients. each print costs $70; packaging and shipping costs are $10 per print. presuming proper substantiation, prism associates' deduction is:
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Sum one pls help Im not trying to fail
Mrs. Hull calculated the measure of central tendencies for the two plants in her science class. The measures are recorded below.Which measure of central tendency would be the best for Mrs. Hull to use if she wanted to argue that there is a difference between the plants?
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